Pull drm updates from Dave Airlie:
"This is the main drm pull, it has a shared branch with some alsa
crossover but everything should be acked by relevant people.
New drivers:
- ATMEL HLCDC driver
- designware HDMI core support (used in multiple SoCs).
core:
- lots more atomic modesetting work, properties and atomic ioctl
(hidden under option)
- bridge rework allows support for Samsung exynos chromebooks to
work finally.
- some more panels supported
i915:
- atomic plane update support
- DSI uses shared DSI infrastructure
- Skylake basic support is all merged now
- component framework used for i915/snd-hda interactions
- write-combine cpu memory mappings
- engine init code refactored
- full ppgtt enabled where execlists are enabled.
- cherryview rps/gpu turbo and pipe CRC support.
radeon:
- indirect draw support for evergreen/cayman
- SMC and manual fan control for SI/CI
- Displayport audio support
amdkfd:
- SDMA usermode queue support
- replace suballocator usage with more suitable one
- rework for allowing interfacing to more than radeon
nouveau:
- major renaming in prep for later splitting work
- merge arm platform driver into nouveau
- GK20A reclocking support
msm:
- conversion to atomic modesetting
- YUV support for mdp4/5
- eDP support
- hw cursor for mdp5
tegra:
- conversion to atomic modesetting
- better suspend/resume support for child devices
rcar-du:
- interlaced support
imx:
- move to using dw_hdmi shared support
- mode_fixup support
sti:
- DVO support
- HDMI infoframe support
exynos:
- refactoring and cleanup, removed lots of internal unnecessary
abstraction
- exynos7 DECON display controller support
Along with the usual bunch of fixes, cleanups etc"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (724 commits)
drm/radeon: fix voltage setup on hawaii
drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary
drm/radeon: only enable kv/kb dpm interrupts once v3
drm/radeon: workaround for CP HW bug on CIK
drm/radeon: Don't try to enable write-combining without PAT
drm/radeon: use 0-255 rather than 0-100 for pwm fan range
drm/i915: Clamp efficient frequency to valid range
drm/i915: Really ignore long HPD pulses on eDP
drm/exynos: Add DECON driver
drm/i915: Correct the base value while updating LP_OUTPUT_HOLD in MIPI_PORT_CTRL
drm/i915: Insert a command barrier on BLT/BSD cache flushes
drm/i915: Drop vblank wait from intel_dp_link_down
drm/exynos: fix NULL pointer reference
drm/exynos: remove exynos_plane_dpms
drm/exynos: remove mode property of exynos crtc
drm/exynos: Remove exynos_plane_dpms() call with no effect
drm/i915: Squelch overzealous uncore reset WARN_ON
drm/i915: Take runtime pm reference on hangcheck_info
drm/i915: Correct the IOSF Dev_FN field for IOSF transfers
drm/exynos: fix DMA_ATTR_NO_KERNEL_MAPPING usage
...
The movement of the I2O tree into staging broke the DocBook build. Rather
than redirect the i2o references into staging, it seems better to just
remove them since this code is on its way out anyway.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Here's the big char/misc driver update for 3.20-rc1.
Lots of little things in here, all described in the changelog. Nothing
major or unusual, except maybe the binder selinux stuff, which was all
acked by the proper selinux people and they thought it best to come
through this tree.
All of this has been in linux-next with no reported issues for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc patches from Greg KH:
"Here's the big char/misc driver update for 3.20-rc1.
Lots of little things in here, all described in the changelog.
Nothing major or unusual, except maybe the binder selinux stuff, which
was all acked by the proper selinux people and they thought it best to
come through this tree.
All of this has been in linux-next with no reported issues for a while"
* tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits)
coresight: fix function etm_writel_cp14() parameter order
coresight-etm: remove check for unknown Kconfig macro
coresight: fixing CPU hwid lookup in device tree
coresight: remove the unnecessary function coresight_is_bit_set()
coresight: fix the debug AMBA bus name
coresight: remove the extra spaces
coresight: fix the link between orphan connection and newly added device
coresight: remove the unnecessary replicator property
coresight: fix the replicator subtype value
pdfdocs: Fix 'make pdfdocs' failure for 'uio-howto.tmpl'
mcb: Fix error path of mcb_pci_probe
virtio/console: verify device has config space
ti-st: clean up data types (fix harmless memory corruption)
mei: me: release hw from reset only during the reset flow
mei: mask interrupt set bit on clean reset bit
extcon: max77693: Constify struct regmap_config
extcon: adc-jack: Release IIO channel on driver remove
extcon: Remove duplicated include from extcon-class.c
Drivers: hv: vmbus: hv_process_timer_expiration() can be static
Drivers: hv: vmbus: serialize Offer and Rescind offer
...
The DVB API is actually several different APIs bundled together, each
using its own device node.
Fix the media controller DVB API to actually reflect what's there at the
DVB subsystem.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The media-ctl userspace application assumes that all device nodes
are uniquelly defined via major,minor, just like v4l and fb.
That's ok for those types of devices, but, as we're adding support
for DVB at the API, what's written there at the DocBook is wrong.
So, fix it.
While here, fix the size of the reserved space inside the union,
with is 184, and not 180.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Introduce a PV INFO structure, to facilitate the Intel GVT-g
technology, which is a GPU virtualization solution with mediated
pass-through. This page contains the shared information between
i915 driver and the host emulator. For now, this structure utilizes
an area of 4K bytes on HSW GPU's unused MMIO space. Future hardware
will have the reserved window architecturally defined, and layout
of the page will be added in future BSpec.
The i915 driver load routine detects if it is running in a VM by
reading the contents of this PV INFO page. Thereafter a flag,
vgpu.active is set, and intel_vgpu_active() is used by checking
this flag to conclude if GPU is virtualized with Intel GVT-g. By
now, intel_vgpu_active() will return true, only when the driver
is running as a guest in the Intel GVT-g enhanced environment on
HSW platform.
v2:
take Chris' comments:
- call the i915_check_vgpu() in intel_uncore_init()
- sanitize i915_check_vgpu() by adding BUILD_BUG_ON() and debug info
take Daniel's comments:
- put the definition of PV INFO into a new header - i915_vgt_if.h
other changes:
- access mmio regs by readq/readw in i915_check_vgpu()
v3:
take Daniel's comments:
- move the i915/vgt interfaces into a new i915_vgpu.c
- update makefile
- add kerneldoc to functions which are non-static
- add a DOC: section describing some of the high-level design
- update drm docbook
other changes:
- rename i915_vgt_if.h to i915_vgpu.h
v4:
take Tvrtko's comments:
- fix a typo in commit message
- add debug message when vgt version mismatches
- rename low_gmadr/high_gmadr to mappable/non-mappable in PV INFO
structure
Signed-off-by: Yu Zhang <yu.c.zhang@linux.intel.com>
Signed-off-by: Jike Song <jike.song@intel.com>
Signed-off-by: Eddie Dong <eddie.dong@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Highlights this time around include:
- A thrashing of SubmittingPatches to bring it out of the "send everything
to Linus" era of kernel development.
- A new document on completions from Nicholas McGuire
- Lots of typo fixes, formatting improvements, corrections, build fixes,
and more.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6
Pull documentation updates from Jonathan Corbet:
"Highlights this time around include:
- A thrashing of SubmittingPatches to bring it out of the "send
everything to Linus" era of kernel development.
- A new document on completions from Nicholas McGuire
- Lots of typo fixes, formatting improvements, corrections, build
fixes, and more"
* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (35 commits)
Documentation: Fix the wrong command `echo -1 > set_ftrace_pid` for cleaning the filter.
can-doc: Fixed a wrong filepath in can.txt
Documentation: Fix trivial typo in comment.
kgdb,docs: Fix typo and minor style issues
Documentation: add description for FTRACE probe status
doc: brief user documentation for completion
Documentation/misc-devices/mei: Fix indentation of embedded code.
Documentation/misc-devices/mei: Fix indentation of enumeration.
Documentation/misc-devices/mei: Fix spacing around parentheses.
Documentation/misc-devices/mei: Fix formatting of headings.
Documentation: devicetree: Fix double words in Doumentation/devicetree
Documentation: mm: Fix typo in vm.txt
lockstat: Add documentation on contention and contenting points
Documentation: fix blackfin gptimers-example build errors
Fixes column alignment in table of contents entry 1.9 in Documentation/filesystems/proc.txt
CodingStyle: enable emacs display of trailing whitespace
DocBook: Do not exceed argument list limit
gpio: board.txt: Fix the gpio name example
Documentation/SubmittingPatches: unify whitespace/tabs for the DCO
MAINTAINERS: Add the docs-next git tree to the maintainer entry
...
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Merge tag 'media/v3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Some documentation updates and a few new pixel formats
- Stop btcx-risc abuse by cx88 and move it to bt8xx driver
- New platform driver: am437x
- New webcam driver: toptek
- New remote controller hardware protocols added to img-ir driver
- Removal of a few very old drivers that relies on old kABIs and are
for very hard to find hardware: parallel port webcam drivers
(bw-qcam, c-cam, pms and w9966), tlg2300, Video In/Out for SGI (vino)
- Removal of the USB Telegent driver (tlg2300). The company that
developed this driver has long gone and the hardware is hard to find.
As it relies on a legacy set of kABI symbols and nobody seems to care
about it, remove it.
- several improvements at rtl2832 driver
- conversion on cx28521 and au0828 to use videobuf2 (VB2)
- several improvements, fixups and board additions
* tag 'media/v3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (321 commits)
[media] dvb_net: Convert local hex dump to print_hex_dump_debug
[media] dvb_net: Use standard debugging facilities
[media] dvb_net: Use vsprintf %pM extension to print Ethernet addresses
[media] staging: lirc_serial: adjust boolean assignments
[media] stb0899: use sign_extend32() for sign extension
[media] si2168: add support for 1.7MHz bandwidth
[media] si2168: return error if set_frontend is called with invalid parameters
[media] lirc_dev: avoid potential null-dereference
[media] mn88472: simplify bandwidth registers setting code
[media] dvb: tc90522: re-add symbol-rate report
[media] lmedm04: add read snr, signal strength and ber call backs
[media] lmedm04: Create frontend call back for read status
[media] lmedm04: create frontend callbacks for signal/snr/ber/ucblocks
[media] lmedm04: Fix usb_submit_urb BOGUS urb xfer, pipe 1 != type 3 in interrupt urb
[media] lmedm04: Increase Interupt due time to 200 msec
[media] cx88-dvb: whitespace cleanup
[media] rtl28xxu: properly initialize pdata
[media] rtl2832: declare functions as static
[media] rtl2830: declare functions as static
[media] rtl2832_sdr: add kernel-doc comments for platform_data
...
* revert a patch that caused a regression with mesh userspace (Bob)
* fix a number of suspend/resume related races
(from Emmanuel, Luca and myself - we'll look at backporting later)
* add software implementations for new ciphers (Jouni)
* add a new ACPI ID for Broadcom's rfkill (Mika)
* allow using netns FD for wireless (Vadim)
* some other cleanups (various)
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Merge tag 'mac80211-next-for-davem-2015-02-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Last round of updates for net-next:
* revert a patch that caused a regression with mesh userspace (Bob)
* fix a number of suspend/resume related races
(from Emmanuel, Luca and myself - we'll look at backporting later)
* add software implementations for new ciphers (Jouni)
* add a new ACPI ID for Broadcom's rfkill (Mika)
* allow using netns FD for wireless (Vadim)
* some other cleanups (various)
Signed-off-by: David S. Miller <davem@davemloft.net>
Changed 'does not discusses all API calls' to 'does not discuss all API calls'
Signed-off-by: Sharon Dvir <sharon.dvir1@mail.huji.ac.il>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Fix up a number of small typos, duplications and formatting issues.
Signed-off-by: Graham Whaley <graham.whaley@linux.intel.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
[jc: did s/kgdbdoc/kgdboc/]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
'make pdfdocs' failed for uio-howto.tmpl and reported errors of the form:
'document type does not allow element "varname" here; missing one of "remark", "synopsis", "fieldsynopsis", "literallayout", "programlisting", "screen", "para", "simpara", "bridgehead" start-tag'
and similar.
Fixed by adding '<para>' and '</para>' tags to a location that made sense, fixed the errors and the pdf looks OK in relevant ereas.
Signed-off-by: Sharon Dvir <sharon.dvir1@mail.huji.ac.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE control
is a boolean but was documented as a integer. The documentation was
also slightly miss-leading.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Include intel_uncore.c in template for it to include d
documentation for intel_uncore_forcewake_get and *_put.
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Use find + xargs to compress the generated manpages. Without this patch,
the build can fail with
gzip -f Documentation/DocBook/man/*.9
/bin/bash: /usr/bin/gzip: Argument list too long
This happened with qemu user mode emulation on aarch64.
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
'make pdfdocs' failed for 80211.tmpl and reported errors of the form:
'document type does not allow element "refentry" here'
Fix this by moving </section> tags to a location that makes sense,
this fixes the errors and the pdf looks OK in relevant areas.
Signed-off-by: Sharon Dvir <sharon.dvir1@mail.huji.ac.il>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- refactor i915/snd-hda interaction to use the component framework (Imre)
- psr cleanups and small fixes (Rodrigo)
- a few perf w/a from Ken Graunke
- switch to atomic plane helpers (Matt Roper)
- wc mmap support (Chris Wilson & Akash Goel)
- smaller things all over
* tag 'drm-intel-next-2015-01-17' of git://anongit.freedesktop.org/drm-intel: (40 commits)
drm/i915: Update DRIVER_DATE to 20150117
i915: reuse %ph to dump small buffers
drm/i915: Ensure the HiZ RAW Stall Optimization is on for Cherryview.
drm/i915: Enable the HiZ RAW Stall Optimization on Broadwell.
drm/i915: PSR link standby at debugfs
drm/i915: group link_standby setup and let this info visible everywhere.
drm/i915: Add missing vbt check.
drm/i915: PSR HSW/BDW: Fix inverted logic at sink main_link_active bit.
drm/i915: PSR VLV/CHV: Remove condition checks that only applies to Haswell.
drm/i915: VLV/CHV PSR needs to exit PSR on every flush.
drm/i915: Fix kerneldoc for i915 atomic plane code
drm/i915: Don't pretend SDVO hotplug works on 915
drm/i915: Don't register HDMI connectors for eDP ports on VLV/CHV
drm/i915: Remove I915_HAS_HOTPLUG() check from i915_hpd_irq_setup()
drm/i915: Make hpd arrays big enough to avoid out of bounds access
Revert "drm/i915/chv: Use timeout mode for RC6 on chv"
drm/i915: Improve HiZ throughput on Cherryview.
drm/i915: Reset CSB read pointer in ring init
drm/i915: Drop unused position fields (v2)
drm/i915: Move to atomic plane helpers (v9)
...
We have
* a lot of regulatory code changes to deal with the
way newer Intel devices handle this
* a change to drop packets while disconnecting from
an AP instead of trying to wait for them
* a new attempt at improving the tailroom accounting
to not kick in too much for performance reasons
* improvements in wireless link statistics
* many other small improvements and small fixes that
didn't seem necessary for 3.19 (e.g. in hwsim which
is testing only code)
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Merge tag 'mac80211-next-for-davem-2015-01-15' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Here's a big pile of changes for this round.
We have
* a lot of regulatory code changes to deal with the
way newer Intel devices handle this
* a change to drop packets while disconnecting from
an AP instead of trying to wait for them
* a new attempt at improving the tailroom accounting
to not kick in too much for performance reasons
* improvements in wireless link statistics
* many other small improvements and small fixes that
didn't seem necessary for 3.19 (e.g. in hwsim which
is testing only code)
Conflicts:
drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
Minor overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Switch plane handling to use the atomic plane helpers. This means that
rather than provide our own implementations of .update_plane() and
.disable_plane(), we expose the lower-level check/prepare/commit/cleanup
entrypoints and let the DRM core implement update/disable for us using
those entrypoints.
The other main change that falls out of this patch is that our
drm_plane's will now always have a valid plane->state that contains the
relevant plane state (initial state is allocated at plane creation).
The base drm_plane_state pointed to holds the requested source/dest
coordinates, and the subclassed intel_plane_state holds the adjusted
values that our driver actually uses.
v2:
- Renamed file from intel_atomic.c to intel_atomic_plane.c (Daniel)
- Fix a copy/paste comment mistake (Bob)
v3:
- Use prepare/cleanup functions that we've already factored out
- Use newly refactored pre_commit/commit/post_commit to avoid sleeping
during vblank evasion
v4:
- Rebase to latest di-nightly requires adding an 'old_state' parameter
to atomic_update;
v5:
- Must have botched a rebase somewhere and lost some work. Restore
state 'dirty' flag to let begin/end code know which planes to
run the pre_commit/post_commit hooks for. This would have actually
shown up as broken in the next commit rather than this one.
v6:
- Squash kerneldoc patch into this one.
- Previous patches have now already taken care of most of the
infrastructure that used to be in this patch. All we're adding here
now is some thin wrappers.
v7:
- Check return of intel_plane_duplicate_state() for allocation
failures.
v8:
- Drop unused drm_plane_state -> intel_plane_state cast. (Ander)
- Squash in actual transition to plane helpers. Significant
refactoring earlier in the patchset has made the combined
prep+transition much easier to swallow than it was in earlier
iterations. (Ander)
v9:
- s/track_fbs/disabled_planes/ in the atomic crtc flags. The only fb's
we need to update frontbuffer tracking for are those on a plane about
to be disabled (since the atomic helpers never call prepare_fb() when
disabling a plane), so the new name more accurately describes what
we're actually tracking.
Testcase: igt/kms_plane
Testcase: igt/kms_universal_plane
Testcase: igt/kms_cursor_crc
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Conflicts:
drivers/gpu/drm/i915/intel_runtime_pm.c
Separate branch so that Takashi can also pull just this refactoring
into sound-next.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
- plane handling refactoring from Matt Roper and Gustavo Padovan in prep for
atomic updates
- fixes and more patches for the seqno to request transformation from John
- docbook for fbc from Rodrigo
- prep work for dual-link dsi from Gaurav Signh
- crc fixes from Ville
- special ggtt views infrastructure from Tvrtko Ursulin
- shadow patch copying for the cmd parser from Brad Volkin
- execlist and full ppgtt by default on gen8, for testing for now
* tag 'drm-intel-next-2014-12-19' of git://anongit.freedesktop.org/drm-intel: (131 commits)
drm/i915: Update DRIVER_DATE to 20141219
drm/i915: Hold runtime PM during plane commit
drm/i915: Organize bind_vma funcs
drm/i915: Organize INSTDONE report for future.
drm/i915: Organize PDP regs report for future.
drm/i915: Organize PPGTT init
drm/i915: Organize Fence registers for future enablement.
drm/i915: tame the chattermouth (v2)
drm/i915: Warn about missing context state workarounds only once
drm/i915: Use true PPGTT in Gen8+ when execlists are enabled
drm/i915: Skip gunit save/restore for cherryview
drm/i915/chv: Use timeout mode for RC6 on chv
drm/i915: Add GPGPU_THREADS_DISPATCHED to the register whitelist
drm/i915: Tidy up execbuffer command parsing code
drm/i915: Mark shadow batch buffers as purgeable
drm/i915: Use batch length instead of object size in command parser
drm/i915: Use batch pools with the command parser
drm/i915: Implement a framework for batch buffer pools
drm/i915: fix use after free during eDP encoder destroying
drm/i915/skl: Skylake also supports DP MST
...
Next batch of atomic work. Most important is the propertification from Rob
and the nth iteration of the actual atomic ioctl originally from Ville.
Big differences compared to earlier revisions:
- Core properties are now fully handled by the core, drivers can only
handle driver-specific properties.
- Atomic props&ioctl are opt-in per file_priv, userspace needs to
explicitly ask for it (like universal plane support).
- For now all hidden behind the atomic module option until this has
settled a bit.
- Atomic modesets are currently not possible since the exact abi for how
to handle the mode property is still under discussion.
Besides this some cleanup patches from me and the addition of per-object
state to global state backpointers to simplify drivers.
* tag 'topic/atomic-core-2015-01-05' of git://anongit.freedesktop.org/drm-intel:
drm: Ensure universal_planes is set for atomic
drm/atomic: Hide drm.ko internal interfaces
drm: Atomic modeset ioctl
drm/atomic: atomic connector properties
drm/atomic: atomic plane properties
drm: small property creation cleanup
drm/atomic: atomic_check functions
drm: add atomic properties
drm: refactor getproperties/getconnector
drm: tweak getconnector locking
drm: add atomic_get_property
drm: add atomic_set_property wrappers
drm: get rid of direct property value access
drm: store property instead of id in obj attachment
drm: allow property validation for refcnted props
drm/atomic: Introduce state->obj backpointers
drm/atomic-helper: Again check modeset *before* plane states
drm/atomic-helper: Export both plane and modeset check helpers
Misc drm patches with mostly polish patches from Thierry, with a bit of
generic mode validation from Ville and a few other oddball things.
* tag 'topic/core-stuff-2014-12-19' of git://anongit.freedesktop.org/drm-intel: (25 commits)
drm: Include drm_crtc_helper.h in DocBook
drm: Make drm_crtc_helper.h standalone includible
drm: Move IRQ related fields to proper section
drm: Remove stale comment
drm: Do basic sanity checks for user modes
drm: Perform basic sanity checks on probed modes
drm: Reorganize probed mode validation
drm/doc: Remove duplicate "by"
drm/info: Remove unused code
drm/cache: Use wbinvd helpers
drm/plane-helper: Test for plane disable earlier
drm/doc: Document drm_add_modes_noedid() usage
drm: bit of spell-check / editorializing.
drm: Prefer sizeof(type) over sizeof type
drm: Remove useless else block
drm: Remove unneeded braces for single statement blocks
drm: Do not assign in if condition
drm: Prefer kmalloc_array() over kmalloc() with multiply
drm: Prefer kcalloc() over kzalloc() with multiply
drm: Miscellaneous checkpatch whitespace cleanups
...
I've written these long before we've had a reasonable docbook
structure, and naturally they've gone stale. Fix this up asap.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Expose the core connector state as properties so it can be updated via
atomic ioctl.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Expose the core plane state as properties, so they can be updated via
atomic ioctl.
v2: atomic property flag
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Once a driver is using atomic helpers for modeset, the next step is to
switch over to atomic properties. To do this, make sure that any
modeset objects have their ->atomic_{get,set}_property() vfuncs suitably
populated if they have custom properties (you did already remember to
plug in atomic-helper func for the legacy ->set_property() vfuncs,
right?), and then set DRIVER_ATOMIC bit in driver_features flag.
A new cap is introduced, DRM_CLIENT_CAP_ATOMIC, for the purposes of
shielding legacy userspace from atomic properties. Mostly for the
benefit of legacy DDX drivers that do silly things like getting/setting
each property at startup (since some of the new atomic properties will
be able to trigger modeset).
Signed-off-by: Rob Clark <robdclark@gmail.com>
[danvet: Squash in fixup patch to check for DRM_MODE_PROP_ATOMIC
instaed of the CAP define when filtering properties. Reported by
Tvrtko Uruslin, acked by Rob.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
These formats are just like 10-bit raw bayer formats that exist already, but
the pixels are not padded to byte boundaries. Instead, the eight high order
bits of four consecutive pixels are stored in four bytes, followed by a byte
of two low order bits of each of the four pixels.
Signed-off-by: Aviv Greenberg <aviv.d.greenberg@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The documentation began with "The following four pixel formats"... but the
format definitions preceded this sentence. Replace it with "These four pixel
formats".
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
1) This is not allowed by the kernel coding style
2) Just configure your editor correctly
3) It's really ugly
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Merge tag 'media/v3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull second set of media updates from Mauro Carvalho Chehab:
- Move drivers for really old legacy hardware to staging. Those are
using obsolete media kAPIs and are for hardware that nobody uses for
years. Simply not worth porting them to the new kAPIs. Of course,
if anyone pops up to fix, we can move them back from there
- While not too late, do some API fixups at the new colorspace API,
added for v3.19
- Some improvements for rcar_vin driver
- Some fixups at cx88 and vivid drivers
- Some Documentation fixups
* tag 'media/v3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] bq/c-qcam, w9966, pms: move to staging in preparation for removal
[media] tlg2300: move to staging in preparation for removal
[media] vino/saa7191: move to staging in preparation for removal
[media] MAINTAINERS: vivi -> vivid
[media] cx88: remove leftover start_video_dma() call
[media] cx88: add missing alloc_ctx support
[media] v4l2-ioctl: WARN_ON if querycap didn't fill device_caps
[media] vivid: fix CROP_BOUNDS typo for video output
[media] DocBook media: update version number and document changes
[media] vivid.txt: document new controls
[media] DocBook media: add missing ycbcr_enc and quantization fields
[media] v4l2-mediabus.h: use two __u16 instead of two __u32
[media] rcar_vin: Fix interrupt enable in progressive
[media] rcar_vin: Enable VSYNC field toggle mode
[media] rcar_vin: Add scaling support
[media] rcar_vin: Add DT support for r8a7793 and r8a7794 SoCs
[media] rcar_vin: Add YUYV capture format support
There is already a section that describes the helpers implemented by
this module. Add the kerneldoc-generated structure descriptions to this
section.
While at it, add missing kerneldoc for the structures to avoid warnings
when generating the documentation.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
I forgot to add these fields to the relevant structs.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This adds a small module for managing a pool of batch buffers.
The only current use case is for the command parser, as described
in the kerneldoc in the patch. The code is simple, but separating
it out makes it easier to change the underlying algorithms and to
extend to future use cases should they arise.
The interface is simple: init to create an empty pool, fini to
clean it up, get to obtain a new buffer. Note that all buffers are
expected to be inactive before cleaning up the pool.
Locking is currently based on the caller holding the struct_mutex.
We already do that in the places where we will use the batch pool
for the command parser.
v2:
- s/BUG_ON/WARN_ON/ for locking assertions
- Remove the cap on pool size
- Switch from alloc/free to init/fini
v3:
- Idiomatic looping structure in _fini
- Correct handling of purged objects
- Don't return a buffer that's too much larger than needed
v4:
- Rebased to latest -nightly
v5:
- Remove _put() function and clean up comments to match
v6:
- Move purged check inside the loop (danvet, from v4 1/7 feedback)
v7:
- Use single list instead of two. (Chris W)
- s/active_list/cache_list
- Squashed in debug patches (Chris W)
drm/i915: Add a batch pool debugfs file
It provides some useful information about the buffers in
the global command parser batch pool.
v2: rebase on global pool instead of per-ring pools
v3: rebase
drm/i915: Add batch pool details to i915_gem_objects debugfs
To better account for the potentially large memory consumption
of the batch pool.
v8:
- Keep cache in LRU order (danvet, from v6 1/5 feedback)
Issue: VIZ-4719
Signed-off-by: Brad Volkin <bradley.d.volkin@intel.com>
Reviewed-By: Jon Bloomfield <jon.bloomfield@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Pull drm updates from Dave Airlie:
"Highlights:
- AMD KFD driver merge
This is the AMD HSA interface for exposing a lowlevel interface for
GPGPU use. They have an open source userspace built on top of this
interface, and the code looks as good as it was going to get out of
tree.
- Initial atomic modesetting work
The need for an atomic modesetting interface to allow userspace to
try and send a complete set of modesetting state to the driver has
arisen, and been suffering from neglect this past year. No more,
the start of the common code and changes for msm driver to use it
are in this tree. Ongoing work to get the userspace ioctl finished
and the code clean will probably wait until next kernel.
- DisplayID 1.3 and tiled monitor exposed to userspace.
Tiled monitor property is now exposed for userspace to make use of.
- Rockchip drm driver merged.
- imx gpu driver moved out of staging
Other stuff:
- core:
panel - MIPI DSI + new panels.
expose suggested x/y properties for virtual GPUs
- i915:
Initial Skylake (SKL) support
gen3/4 reset work
start of dri1/ums removal
infoframe tracking
fixes for lots of things.
- nouveau:
tegra k1 voltage support
GM204 modesetting support
GT21x memory reclocking work
- radeon:
CI dpm fixes
GPUVM improvements
Initial DPM fan control
- rcar-du:
HDMI support added
removed some support for old boards
slave encoder driver for Analog Devices adv7511
- exynos:
Exynos4415 SoC support
- msm:
a4xx gpu support
atomic helper conversion
- tegra:
iommu support
universal plane support
ganged-mode DSI support
- sti:
HDMI i2c improvements
- vmwgfx:
some late fixes.
- qxl:
use suggested x/y properties"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (969 commits)
drm: sti: fix module compilation issue
drm/i915: save/restore GMBUS freq across suspend/resume on gen4
drm: sti: correctly cleanup CRTC and planes
drm: sti: add HQVDP plane
drm: sti: add cursor plane
drm: sti: enable auxiliary CRTC
drm: sti: fix delay in VTG programming
drm: sti: prepare sti_tvout to support auxiliary crtc
drm: sti: use drm_crtc_vblank_{on/off} instead of drm_vblank_{on/off}
drm: sti: fix hdmi avi infoframe
drm: sti: remove event lock while disabling vblank
drm: sti: simplify gdp code
drm: sti: clear all mixer control
drm: sti: remove gpio for HDMI hot plug detection
drm: sti: allow to change hdmi ddc i2c adapter
drm/doc: Document drm_add_modes_noedid() usage
drm/i915: Remove '& 0xffff' from the mask given to WA_REG()
drm/i915: Invert the mask and val arguments in wa_add() and WA_REG()
drm: Zero out DRM object memory upon cleanup
drm/i915/bdw: Fix the write setting up the WIZ hashing mode
...
A short section describing background, implementation and intended usage.
v2:
* Align section name between template and DOC comment. (Michel Thierry)
For: VIZ-4544
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Here's the big char/misc driver update for 3.19-rc1
Lots of little things all over the place in different drivers, and a new
subsystem, "coresight" has been added. Full details are in the
shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver update for 3.19-rc1
Lots of little things all over the place in different drivers, and a
new subsystem, "coresight" has been added. Full details are in the
shortlog"
* tag 'char-misc-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (73 commits)
parport: parport_pc, do not remove parent devices early
spmi: Remove shutdown/suspend/resume kernel-doc
carma-fpga-program: drop videobuf dependency
carma-fpga: drop videobuf dependency
carma-fpga-program.c: fix compile errors
i8k: Fix temperature bug handling in i8k_get_temp()
cxl: Name interrupts in /proc/interrupt
CXL: Return error to PSL if IRQ demultiplexing fails & print clearer warning
coresight-replicator: remove .owner field for driver
coresight: fixed comments in coresight.h
coresight: fix typo in comment in coresight-priv.h
coresight: bindings for coresight drivers
coresight: Adding ABI documentation
w1: support auto-load of w1_bq27000 module.
w1: avoid potential u16 overflow
cn: verify msg->len before making callback
mei: export fw status registers through sysfs
mei: read and print all six FW status registers
mei: txe: add cherrytrail device id
mei: kill cached host and me csr values
...
Pull crypto update from Herbert Xu:
- The crypto API is now documented :)
- Disallow arbitrary module loading through crypto API.
- Allow get request with empty driver name through crypto_user.
- Allow speed testing of arbitrary hash functions.
- Add caam support for ctr(aes), gcm(aes) and their derivatives.
- nx now supports concurrent hashing properly.
- Add sahara support for SHA1/256.
- Add ARM64 version of CRC32.
- Misc fixes.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (77 commits)
crypto: tcrypt - Allow speed testing of arbitrary hash functions
crypto: af_alg - add user space interface for AEAD
crypto: qat - fix problem with coalescing enable logic
crypto: sahara - add support for SHA1/256
crypto: sahara - replace tasklets with kthread
crypto: sahara - add support for i.MX53
crypto: sahara - fix spinlock initialization
crypto: arm - replace memset by memzero_explicit
crypto: powerpc - replace memset by memzero_explicit
crypto: sha - replace memset by memzero_explicit
crypto: sparc - replace memset by memzero_explicit
crypto: algif_skcipher - initialize upon init request
crypto: algif_skcipher - removed unneeded code
crypto: algif_skcipher - Fixed blocking recvmsg
crypto: drbg - use memzero_explicit() for clearing sensitive data
crypto: drbg - use MODULE_ALIAS_CRYPTO
crypto: include crypto- module prefix in template
crypto: user - add MODULE_ALIAS
crypto: sha-mb - remove a bogus NULL check
crytpo: qat - Fix 64 bytes requests
...
This became a fairly large pull request. In addition to the usual
driver updates / fixes, there have been a high amount of cleanups in
ASoC area, as well as control API helpers and kernel documentations
fixes touching through the whole tree.
In the driver side, the biggest changes are the support for new Intel
SoC found on new x86 machines, and the updates of FireWire dice and
oxfw drivers.
Some remarkable items are below:
* ALSA core
- PCM mmap code cleanup, removal of arch-dependent codes
- PCM xrun injection support
- PCM hwptr tracepoint support
- Refactoring of snd_pcm_action(), simplification of PCM locking
- Robustified sequecner auto-load functionality
- New control API helpers and lots of cleanups along with them
- Lots of kerneldoc fixes and cleanups
* USB-audio
- The mixer resume code was largely rewritten, and the devices with
quirks are resumed properly.
- New hardware support: Focusrite Scarlett, Digidesign Mbox1,
Denon/Marantz DACs, Zoom R16/24
* FireWire
- DICE driver updates with better duplex and sync support, including
MIDI support
- New OXFW driver for Oxford Semiconductor FW970/971 chipset,
including the previous LaCie Speakers device. Fullduplex and MIDI
support included as well as DICE driver.
* HD-audio
- Refactoring the driver-caps quirk handling in snd-hda-intel
- More consistent control names representing the topology better
- Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
fix, ASUS Z99He laptop EAPD
* ASoC
- Conversion of AC'97 drivers to use regmap, bringing us closer to
the removal of the ASoC level I/O code
- Clean up a lot of old drivers that were open coding things that
have subsequently been implemented in the core
- Some DAPM performance improvements
- Removal of the now seldom used CODEC mutex
- Lots of updates for the newer Intel SoC support, including support
for the DSP and some Cherrytrail and Braswell machine drivers
- Support for Samsung boards using rt5631 as the CODEC
- Removal of the obsolete AFEB9260 machine driver
- Driver support for the TI TS3A227E headset driver used in some
Chrombeooks
* Others
- ASIHPI driver update and cleanups
- Lots of dev_*() printk conversions
- Lots of trivial cleanups for the codes spotted by Coccinelle
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Merge tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This became a fairly large pull request. In addition to the usual
driver updates / fixes, there have been a high amount of cleanups in
ASoC area, as well as control API helpers and kernel documentations
fixes touching through the whole tree.
In the driver side, the biggest changes are the support for new Intel
SoC found on new x86 machines, and the updates of FireWire dice and
oxfw drivers.
Some remarkable items are below:
ALSA core:
- PCM mmap code cleanup, removal of arch-dependent codes
- PCM xrun injection support
- PCM hwptr tracepoint support
- Refactoring of snd_pcm_action(), simplification of PCM locking
- Robustified sequecner auto-load functionality
- New control API helpers and lots of cleanups along with them
- Lots of kerneldoc fixes and cleanups
USB-audio:
- The mixer resume code was largely rewritten, and the devices with
quirks are resumed properly.
- New hardware support: Focusrite Scarlett, Digidesign Mbox1,
Denon/Marantz DACs, Zoom R16/24
FireWire:
- DICE driver updates with better duplex and sync support, including
MIDI support
- New OXFW driver for Oxford Semiconductor FW970/971 chipset,
including the previous LaCie Speakers device. Fullduplex and MIDI
support included as well as DICE driver.
HD-audio:
- Refactoring the driver-caps quirk handling in snd-hda-intel
- More consistent control names representing the topology better
- Fixups: HP mute LED with ALC268 codec, Ideapad S210 built-in mic
fix, ASUS Z99He laptop EAPD
ASoC:
- Conversion of AC'97 drivers to use regmap, bringing us closer to
the removal of the ASoC level I/O code
- Clean up a lot of old drivers that were open coding things that
have subsequently been implemented in the core
- Some DAPM performance improvements
- Removal of the now seldom used CODEC mutex
- Lots of updates for the newer Intel SoC support, including support
for the DSP and some Cherrytrail and Braswell machine drivers
- Support for Samsung boards using rt5631 as the CODEC
- Removal of the obsolete AFEB9260 machine driver
- Driver support for the TI TS3A227E headset driver used in some
Chrombeooks
Others:
- ASIHPI driver update and cleanups
- Lots of dev_*() printk conversions
- Lots of trivial cleanups for the codes spotted by Coccinelle"
* tag 'sound-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (594 commits)
ALSA: pcxhr: NULL dereference on probe failure
ALSA: lola: NULL dereference on probe failure
ALSA: hda - Add "eapd" model string for AD1986A codec
ALSA: hda - Add EAPD fixup for ASUS Z99He laptop
ALSA: oxfw: Add hwdep interface
ALSA: oxfw: Add support for capture/playback MIDI messages
ALSA: oxfw: add support for capturing PCM samples
ALSA: oxfw: Add support AMDTP in-stream
ALSA: oxfw: Add support for Behringer/Mackie devices
ALSA: oxfw: Change the way to start stream
ALSA: oxfw: Add proc interface for debugging purpose
ALSA: oxfw: Change the way to make PCM rules/constraints
ALSA: oxfw: Add support for AV/C stream format command to get/set supported stream formation
ALSA: oxfw: Change the way to name card
ALSA: dice: Add support for MIDI capture/playback
ALSA: dice: Add support for capturing PCM samples
ALSA: dice: Support for non SYT-Match sampling clock source mode
ALSA: dice: Add support for duplex streams with synchronization
ALSA: dice: Change the way to start stream
ALSA: jack: Add dummy snd_jack_set_key() definition
...
And fix a spelling mistake.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
And fix a spelling mistake.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Merge drm core fixes from Daniel.
* tag 'topic/core-stuff-2014-12-10' of git://anongit.freedesktop.org/drm-intel:
drm: Zero out DRM object memory upon cleanup
drm: fix a typo in a comment
drm: fix a word repetition in a comment
drm: Fix memory leak at error path of drm_read()
drm/Documentation: Fix rowspan value in drm-kms-properties
drm/edid: Restore kerneldoc consistency
drm/edid: new drm_edid_block_checksum helper function V3
drm/edid: shorten log output in case of all zeroes edid block
drm/edid: move drm_edid_is_zero to top, make edid argument const
This takes the tiling info from the connector and
exposes it to userspace, as a blob object in a
connector property.
The contents of the blob is ABI.
v2: add property + function documentation.
v3: move property setup from previous patch.
add boilerplate + fix long line (Daniel)
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
A tile group is an identifier shared by a single monitor,
DisplayID topology has 8 bytes we can use for this, just
use those for now until something else comes up in the
future. We assign these to an idr and use the idr to
tell userspace what connectors are in the same tile group.
DisplayID v1.3 says the serial number must be unique for
displays from the same manufacturer.
v2:
destroy idr (dvdhrm)
add docbook (danvet)
airlied:- not sure how to make docbook add fns to tile group section.
v3: fix missing unlock.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add input and output capability flags for setting native size of the device,
and document them.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The V4L2_SEL_TGT_NATIVE_SIZE target is used to denote e.g. the size of a
sensor's pixel array.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The sub-device format documentation documented scaling configuration through
formats. Instead the compose selection rectangle is elsewhere documented to
be used for the purpose. Remove scaling related part of the documentation.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The "DRM" rowspan wasn't updated in commit cc7096fb6d (drm/mode: document path
property and function to set it. (v1.1)), so increment it by one to fix the
table.
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drm-intel-next-2014-11-21:
- infoframe tracking (for fastboot) from Jesse
- start of the dri1/ums support removal
- vlv forcewake timeout fixes (Imre)
- bunch of patches to polish the rps code (Imre) and improve it on bdw (Tom
O'Rourke)
- on-demand pinning for execlist contexts
- vlv/chv backlight improvements (Ville)
- gen8+ render ctx w/a work from various people
- skl edp programming (Satheeshakrishna et al.)
- psr docbook (Rodrigo)
- piles of little fixes and improvements all over, as usual
* tag 'drm-intel-next-2014-11-21-fixed' of git://anongit.freedesktop.org/drm-intel: (117 commits)
drm/i915: Don't pin LRC in GGTT when dumping in debugfs
drm/i915: Update DRIVER_DATE to 20141121
drm/i915/g4x: fix g4x infoframe readout
drm/i915: Only call mod_timer() if not already pending
drm/i915: Don't rely upon encoder->type for infoframe hw state readout
drm/i915: remove the IRQs enabled WARN from intel_disable_gt_powersave
drm/i915: Use ggtt error obj capture helper for gen8 semaphores
drm/i915: vlv: increase timeout when setting idle GPU freq
drm/i915: vlv: fix cdclk setting during modeset while suspended
drm/i915: Dump hdmi pipe_config state
drm/i915: Gen9 shadowed registers
drm/i915/skl: Gen9 multi-engine forcewake
drm/i915: Read power well status before other registers for drpc info
drm/i915: Pin tiled objects for L-shaped configs
drm/i915: Update ring freq for full gpu freq range
drm/i915: change initial rps frequency for gen8
drm/i915: Keep min freq above floor on HSW/BDW
drm/i915: Use efficient frequency for HSW/BDW
drm/i915: Can i915_gem_init_ioctl
drm/i915: Sanitize ->lastclose
...
The colorspace chapter in the V4L2 Specification was always poorly
written. This patch rewrites it, documenting the new Y'CbCr encoding
and quantization defines and going into much more detail with respect
to how colorspaces are used and what it all means.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Add helper macros to iterate the current, or incoming set of planes
attached to a crtc. These helpers are only available for drivers
converted to use atomic-helpers.
Signed-off-by: Rob Clark <robdclark@gmail.com>
[danvet: Squash in fixup from Rob to move the planemask iterator to
drm_crtc.h and document it. That one is needed by the atomic ioctl so
can't be in a helper library.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
So with all the code movement and extraction in intel_pm.c in -next
git is hopelessly confused with
commit 2208d655a9
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Nov 14 09:25:29 2014 +0100
drm/i915: drop WaSetupGtModeTdRowDispatch:snb
from -fixes. Worse even small changes in -next move around the
conflict context so rerere is equally useless. Let's just backmerge
and be done with it.
Conflicts:
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/intel_pm.c
Except for git getting lost no tricky conflicts really.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Let's document PSR a bit. No functional changes.
v2: Add actual DocBook entry and accept Daniel's improvements.
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Some drivers erroneously treat the .pitch and .size fields of struct
drm_mode_create_dumb as inputs. While the include/uapi/drm/drm_mode.h
header has a comment denoting them as outputs, that seemingly wasn't
enough to make drivers use them properly.
The result is that some userspace doesn't explicitly zero out those
fields, assuming that the kernel won't use them. That causes problems
since the data within the structure might be uninitialized, so bogus
data may end up confusing drivers (ridiculously large values for the
pitch, ...).
This series attempts to improve the situation by fixing all drivers to
not use the output fields. Furthermore to spare new drivers this bad
surprise, the DRM core now zeros out these fields prior to handing the
data structure to the driver.
Lessons learned from this are that future IOCTLs should be properly
documented (in the DRM DocBook for example) and should be rigorously
defined. To prevent misuse like this, userspace should be required to
zero out all output fields. The kernel should check for this and fail
if that's not the case.
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Merge tag 'drm/gem-cma/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux into drm-next
drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input
Some drivers erroneously treat the .pitch and .size fields of struct
drm_mode_create_dumb as inputs. While the include/uapi/drm/drm_mode.h
header has a comment denoting them as outputs, that seemingly wasn't
enough to make drivers use them properly.
The result is that some userspace doesn't explicitly zero out those
fields, assuming that the kernel won't use them. That causes problems
since the data within the structure might be uninitialized, so bogus
data may end up confusing drivers (ridiculously large values for the
pitch, ...).
This series attempts to improve the situation by fixing all drivers to
not use the output fields. Furthermore to spare new drivers this bad
surprise, the DRM core now zeros out these fields prior to handing the
data structure to the driver.
Lessons learned from this are that future IOCTLs should be properly
documented (in the DRM DocBook for example) and should be rigorously
defined. To prevent misuse like this, userspace should be required to
zero out all output fields. The kernel should check for this and fail
if that's not the case.
* tag 'drm/gem-cma/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux:
drm/cma: Remove call to drm_gem_free_mmap_offset()
drm: Sanitize DRM_IOCTL_MODE_CREATE_DUMB input
drm/rcar: gem: dumb: pitch is an output
drm/omap: gem: dumb: pitch is an output
drm/cma: Introduce drm_gem_cma_dumb_create_internal()
drm/doc: Add GEM/CMA helpers to kerneldoc
drm/doc: mm: Fix indentation
drm/gem: Fix a few kerneldoc typos
Virtual GPUs would like to give the guest some indication where on the screen
the outputs are layed out. So far we only provide modes, these
properties could be exposed to userspace so the desktop environment
could use them as hints to set the correct offsets.
v2: rename properties to be more consistent.
Signed-off-by: Dave Airlie <airlied@redhat.com>
This contains support for a couple of new panels, updates for some GPIO
API changes and a bunch of updates to the MIPI DSI support that should
make it easier to write panel drivers in the future.
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Merge tag 'drm/panel/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux into drm-next
drm/panel: Changes for v3.19-rc1
This contains support for a couple of new panels, updates for some GPIO
API changes and a bunch of updates to the MIPI DSI support that should
make it easier to write panel drivers in the future.
* tag 'drm/panel/for-3.19-rc1' of git://people.freedesktop.org/~tagr/linux: (31 commits)
drm/panel: Add Sharp LQ101R1SX01 support
drm/dsi: Do not require .owner field to be set
drm/dsi: Resolve MIPI DSI device from phandle
drm/dsi: Implement DCS set_{column,page}_address commands
drm/dsi: Implement DCS {get,set}_pixel_format commands
drm/dsi: Implement DCS get_power_mode command
drm/dsi: Implement DCS soft_reset command
drm/dsi: Implement DCS nop command
drm/dsi: Add to DocBook documentation
drm/dsi: Implement some standard DCS commands
drm/dsi: Implement generic read and write commands
drm/panel: s6e8aa0: Use standard MIPI DSI function
drm/dsi: Add mipi_dsi_set_maximum_return_packet_size() helper
drm/dsi: Constify mipi_dsi_msg
drm/dsi: Make mipi_dsi_dcs_{read,write}() symmetrical
drm/dsi: Add DSI transfer helper
drm/dsi: Add message to packet translator
drm/dsi: Introduce packet format helpers
drm/panel: s6e8aa0: Fix build warnings on 64-bit
drm/panel: ld9040: Fix build warnings on 64-bit
...
- skl watermarks code (Damien, Vandana, Pradeep)
- reworked audio codec /eld handling code (Jani)
- rework the mmio_flip code to use the vblank evade logic and wait for rendering
using the standard wait_seqno interface (Ander)
- skl forcewake support (Zhe Wang)
- refactor the chv interrupt code to use functions shared with vlv (Ville)
- prep work for different global gtt views (Tvrtko Ursulin)
- precompute the display PLL config before touching hw state (Ander)
- completely reworked panel power sequencer code for chv/vlv (Ville)
- pre work to split the plane update code into a prepare and commit phase
(Gustavo Padovan)
- golden context for skl (Armin Reese)
- as usual tons of fixes and improvements all over
* tag 'drm-intel-next-2014-11-07-fixups' of git://anongit.freedesktop.org/drm-intel: (135 commits)
drm/i915: Use correct pipe config to update pll dividers. V2
drm/i915: Plug memory leak in intel_shared_dpll_start_config()
drm/i915: Update DRIVER_DATE to 20141107
drm/i915: Add gen to the gpu hang ecode
drm/i915: Cache HPLL frequency on VLV/CHV
Revert "drm/i915/vlv: Remove check for Old Ack during forcewake"
drm/i915: Make mmio flip wait for seqno in the work function
drm/i915: Make __wait_seqno non-static and rename to __i915_wait_seqno
drm/i915: Move the .global_resources() hook call into modeset_update_crtc_power_domains()
drm/i915/audio: add DOC comment describing HDA over HDMI/DP
drm/i915: make pipe/port based audio valid accessors easier to use
drm/i915/audio: add audio codec enable debug log for g4x
drm/i915/audio: add audio codec disable on g4x
drm/i915: enable audio codec after port
drm/i915/audio: add vlv/chv/gen5-7 audio codec disable sequence
drm/i915/audio: rewrite vlv/chv and gen 5-7 audio codec enable sequence
drm/i915/skl: Enable Gen9 RC6
drm/i915/skl: Gen9 Forcewake
drm/i915/skl: Log the order in which we flush the pipes in the WM code
drm/i915/skl: Flush the WM configuration
...
In order to have subsytem agnostic media bus format definitions we've
moved media bus definition to include/uapi/linux/media-bus-format.h and
prefixed them with MEDIA_BUS_FMT instead of V4L2_MBUS_FMT.
Update the v4l documentation accordingly.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
- ppgtt init/release: these tracepoints are useful for observing the
creation and destruction of Full PPGTTs.
- ctx create/free: we can use the ctx_free trace in combination with the
ppgtt_release one to be sure that the ppgtt doesn't stay alive for too
long after the ctx is destroyed. ctx_create is there for simmetry
- switch_mm: important point in the lifetime of the vm
v4: add DOC information
v5: pull the DOC in drm.tmpl
v6: clean ppgtt init/release traces + add ctx create/free and switch_mm
tracepoints (Chris)
v7: drop execlist_submit_context tracepoint
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Add the crypto API documentation into the DocBook Makefile to allow it
being compiled
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The design of the kernel crypto API as well as hints to program with
the kernel crypto API are given.
The documentation contains:
* design aspects of crypto API
* develper specific hints
* references to the API function description
* source code examples
CC: Marek Vasut <marex@denx.de>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Integrate the MIPI DSI helpers into DocBook and clean up various
kerneldoc warnings. Also add a brief DOC section and clarify some
aspects of the mipi_dsi_host struct's .transfer() operation.
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Most of the functions already have the beginnings of kerneldoc comments
but are using the wrong opening marker. Use the correct opening marker
and flesh out the comments so that they can be integrated with the DRM
DocBook document.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Use spaces consistently for indentation in the memory-management
section.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Merge tag 'v3.18-rc4' into drm-next
backmerge to get vmwgfx locking changes into next as the
conflict with per-plane locking.
Needed due to some important regression fixes at RC core.
* commit 'v3.18-rc4': (587 commits)
Linux 3.18-rc4
ARM: dts: zynq: Enable PL clocks for Parallella
tiny: rename ENABLE_DEV_COREDUMP to ALLOW_DEV_COREDUMP
tiny: reverse logic for DISABLE_DEV_COREDUMP
i2c: core: Dispose OF IRQ mapping at client removal time
i2c: at91: don't account as iowait
i2c: remove FSF address
USB: Update default usb-storage delay_use value in kernel-parameters.txt
sysfs: driver core: Fix glue dir race condition by gdp_mutex
MIPS: Fix build with binutils 2.24.51+
xfs: track bulkstat progress by agino
xfs: bulkstat error handling is broken
xfs: bulkstat main loop logic is a mess
xfs: bulkstat chunk-formatter has issues
xfs: bulkstat chunk formatting cursor is broken
xfs: bulkstat btree walk doesn't terminate
mm: Fix comment before truncate_setsize()
USB: cdc-acm: add quirk for control-line state requests
tty: Fix pty master poll() after slave closes v2
MIPS: R3000: Fix debug output for Virtual page number
...
Conflicts:
drivers/media/rc/rc-main.c
Backmerge drm-next so that I can keep merging patches. Specifically I
want:
- atomic stuff, yay!
- eld parsing patch from Jani.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
These two didn't get documented properly, do so.
Pointed out by Daniel.
v1.1: add missing boilerplate (Daniel)
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
So here's my atomic series, finally all debugged&reviewed. Sean Paul has
done a full detailed pass over it all, and a lot of other people have
commented and provided feedback on some parts. Rob Clark also converted
msm over the w/e and seems happy. The only small thing is that Rob wants
to export the wait_for_vblank, which imo makes sense. Since there's other
stuff still to do I think we should apply Rob's patch (once it has grown
appropriate kerneldoc) later on top of this.
This is just the core<->driver interface plus a big pile of helpers. Short
recap of the main ideas:
- There are essentially three helper libraries in this patch set:
* Transitional helpers to use the new plane callbacks for legacy plane
updates and in the crtc helper's ->mode_set callback. These helpers are
only temporarily used to convert drivers to atomic, but they allow a
nice separation between changing the driver backend and switching to
the atomic commit logic.
* Legacy helpers to implement all the legacy driver entry points
(page_flip, set_config, plane vfuncs) on top of the new atomic driver
interface. These are completely driver agnostic. The reason for having
the legacy support as helpers is that drivers can switch step-by-step.
And they could e.g. even keep the legacy page_flip code around for some
old platforms where converting to full-blown atomic isn't worth it.
* Atomic helpers which implement the various new ->atomic_* driver
interfaces in terms of the revised crtc helper and new plane helper
hooks.
- The revised crtc helper implemenation essentially implements all the
lessons learned in the i915 modeset rework (when using the atomic helpers
only):
* Enable/disable sequence for a given config are always the same and
callbacks are always called in the same order. This contrast starkly
with the crtc helpers, where the sequence of operations is heavily
dependent on the previous config.
One corollary of this is that if the configuration of a crtc only
partially changes (e.g. a connector moves in a cloned config) the
helper code will still disable/enable the full display pipeline. This
is the only way to ensure that the enable/disable sequence is always
the same.
* It won't call disable or enable hooks more than once any more because
it lost track of state, thanks to the atomic state tracking. And if
drivers implement the ->reset hook properly (by either resetting the hw
or reading out the hw state into the atomic structures) this even
extends to the hardware state. So no more disable-me-harder kind of
nonsense.
* The only thing missing is the hw state readout/cross-check support, but
if drivers have hw state readout support in their ->reset handlers it's
simple to extend that to cross-check the hw state.
* The crtc->mode_set callback is gone and its replacement only sets crtc
timings and no longer updates the primary plane state. This way we can
finally implement primary planes properly.
- The new plane helpers should be suitable enough for pretty much
everything, and a perfect fit for hardware with GO bits. Even if they
don't fit the atomic helper library is rather flexible and exports all
the functions for the individual steps to drivers. So drivers can pick
what matches and implement their own magic for everything else.
- A big difference compared to all previous atomic series is that this one
doesn't implement async commit in a generic way. Imo driver requirements
for that are too diverse to create anything reasonable sane which would
actually work on a reasonable amount of different drivers. Also, we've
never had a helper library for page_flips even, so it's really hard to
know what might work and what's stupid without a bit of experience in the form
of a few driver implementations.
I think with the current flexibility for drivers to pick individual
stages and existing helpers like drm_flip_queue it's rather easy though
to implement proper async commit.
- There's a few other differences of minor importance to earlier atomic
series:
* Common/generic properties are parsed in the callers/core and not in
drivers, and passed to drivers by directly setting the right members in
atomic state structures. That greatly simplifies all the transitional
and legacy helpers an removes a lot of boilerplate code.
* There's no crazy trylock mode used for the async commit since these
helpers don't do async commit. A simple ordered flip queue of atomic
state updates should be sufficient for preventing concurrent hw access
anyway, as long as synchronous updates stall correctly with e.g.
flush_work_queue or similar function. Abusing locks to enforce ordering
isn't a good idea imo anyway.
* These helpers reuse the existing ->mode_fixup hooks in the atomic_check
callback. Which means that drivers need to adapat and move a lot less code
into their atomic_check callbacks.
Now this isn't everything needed in the drm core and helpers for full
atomic support. But it's enough to start with converting drivers, and
except for actually testing multiplane and multicrtc updates also enough to
implement full atomic updates. Still missing are:
- Per-plane locking. Since these helpers here encapsulate the locking
completely this should be fairly easy to implement.
- fbdev support for atomic_check/commit, so that multi-pipe finally works
sanely in fbcon.
- Adding and decoding shared/core properties. That just needs to be rebased
from Rob's latest patch series, with minor adjustments so that the
decoding happens in the core instead of in drivers.
- Actually adding the atomic ioctl. Again just rebasing Rob's latest patch
should be all that's needed.
- Resolving how to deal with DPMS in atomic. Atomic is a good excuse to fix up
the crazy semantics dpms currently has. I'm floating an RFC about this topic
already.
- Finally I couldn't test connector/encoder stealing properly since my test
vehicle here doesn't allow a connector on different crtcs. So drivers
which support this might see some surprises in that area. There is no semantic
change though in how encoder stealing and assignment works (or at least no
intended one), so I think the risk is minimal.
As just mentioned I've done a fake conversion of an existing driver using
crtc helpers to debug the helper code and validate the smooth transition
approach. And that smooth transition was the really big motivation for
this. It seems to actually work and consists of 3 phases:
Phase 1: Rework driver backend for crtc/plane helpers
The requirement here is that universal plane support is already implement. If
universal plane support isn't implement yet it might be better though to just do
it as part of this phase, directly using the new plane helpers. There are two
big things to do:
- Split up the existing ->update/disable_plane hooks into check/commit
hooks and extract the crtc-wide prep/flush parts (like setting/clearing
GO bits).
- The other big change is to split the crtc->mode_set hook into the plane
update (done using the plane helpers) and the crtc setup in a new
->mode_set_nofb hook.
When phase 1 is complete the driver implements all the new callbacks which
push the software state into hardware, but still using all the legacy entry
points and crtc helpers. The transitional helpers serve as impendance
mismatch here.
Phase 2: Rework state handling
This consists of rolling out the state handling helpers for planes, crtcs
and connectors and reviewing all ->mode_fixup and similar hooks to make
sure they don't depend upon implicit global state which might change in the
atomic world. Any such code must be moved into ->atomic_check functions which
just rely on the free-standing atomic state update structures.
This phase also adds a few small pieces of fixup code to make sure the
atomic state doesn't get out of sync in the legacy driver callbacks.
Phase 3: Roll out atomic support
Now it's just about replacing vfuncs with the ones provided by the helper
and filling out the small missing pieces (like atomic_check logic or async
commit support needed for page_flips). Due to the prep work in phase 1 no
changes to the driver backend functions should be required, and because of
the prep work in phase 2 atomic implementations can be rolled out
step-by-step. So if async commit ins't implemented yet page_flip can be
implemented with the legacy functions without wreaking havoc in the other
operations.
* tag 'topic/atomic-helpers-2014-11-09' of git://anongit.freedesktop.org/drm-intel:
drm/atomic: Refcounting for plane_state->fb
drm: Docbook integration and over sections for all the new helpers
drm/atomic-helpers: functions for state duplicate/destroy/reset
drm/atomic-helper: implement ->page_flip
drm/atomic-helpers: document how to implement async commit
drm/atomic: Integrate fence support
drm/atomic-helper: implementatations for legacy interfaces
drm: Atomic crtc/connector updates using crtc/plane helper interfaces
drm/crtc-helper: Transitional functions using atomic plane helpers
drm/plane-helper: transitional atomic plane helpers
drm: Add atomic/plane helpers
drm: Global atomic state handling
drm: Add atomic driver interface definitions for objects
drm/modeset_lock: document trylock_only in kerneldoc
drm: fixup kerneldoc in drm_crtc.h
drm: Pull drm_crtc.h into the kerneldoc template
drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h
This is a completion to 27a90700a4
The size field is also increased to allow values larger than 32 bits
on platforms that have more than 32 bit physical addresses.
Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
v2: include the section in the drm docbook.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
In all cases the text requires that new drivers are converted to the
atomic interfaces.
v2: Add overview for state handling.
v3: Review from Sean: Some spelling fixes and drop the misguided
hunk to remove rgba8888 from the plane helpers compat list.
Cc: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Some differences compared to Rob's patches again:
- Dropped the committed and checked booleans. Checking will be
internally enforced by always calling ->atomic_check before
->atomic_commit. And async handling needs to be solved differently
because the current scheme completely side-steps ww mutex deadlock
avoidance (and so either reinvents a new deadlock avoidance wheel or
like the current code just deadlocks).
- State for connectors needed to be added, since now they have a
full-blown drm_connector_state (so that drivers have something to
attach their own stuff to).
- Refcounting is gone. I plane to solve async updates differently,
since the lock-passing scheme doesn't cut it (since it abuses ww
mutexes). Essentially what we need for async is a simple ownership
transfer from the caller to the driver. That doesn't need full-blown
refcounting.
- The acquire ctx is a pointer. Real atomic callers should have that
on their stack, legacy entry points need to put the right one
(obtained by drm_modeset_legacy_acuire_ctx) in there.
- I've dropped all hooks except check/commit. All the begin/end
handling is done by core functions and is the same.
- commit/check are just thin wrappers that ensure that ->check is
always called.
- To help out with locking in the legacy implementations I've added a
helper to just grab all locks in the backoff case.
v2: Add notices that check/commit can fail with EDEADLK.
v3:
- More consistent naming for state_alloc.
- Add state_clear which is needed for backoff and retry.
v4: Planes/connectors can switch between crtcs, and we need to be
careful that we grab the state (and locks) for both the old and new
crtc. Improve the interface functions to ensure this.
v5: Add functions to grab affected connectors for a crtc and to recompute
the crtc->enable state. This is useful for both helper and atomic ioctl
code when e.g. removing a connector.
v6: Squash in fixup from Fengguang to use ERR_CAST.
v7: Add debug output.
v8: Make checkpatch happy about kcalloc argument ordering.
v9: Improve kerneldoc in drm_crtc.h
v10:
- Fix another kcalloc argument misorder I've missed.
- More polish for kerneldoc.
v11: Clarify the ownership rules for the state object. The new rule is
that a successful drm_atomic_commit (whether synchronous or asnyc)
always inherits the state and is responsible for the clean-up. That
way async and sync ->commit functions are more similar.
v12: A few bugfixes:
- Assign state->state pointers correctly when grabbing state objects -
we need to link them up with the global state.
- Handle a NULL crtc in set_crtc_for_plane to simplify code flow a bit
for the callers of this function.
v13: Review from Sean:
- kerneldoc spelling fixes
- Don't overallocate states->planes.
- Handle NULL crtc in set_crtc_for_connector.
v14: Sprinkle __must_check over all functions which do wait/wound
locking to make sure callers don't forget this. Since I have ;-)
v15: Be more explicit in the kerneldoc when functions can return
-EDEADLK what to do. And that every other -errno is fatal.
v16: Indent with tabs instead of space, spotted by Ander.
v17: Review from Thierry, small kerneldoc and other naming polish.
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
While writing atomic docs I've noticed that I don't get any errors
for my screw-ups in drm_crtc.h. Fix this immediately.
This just does the bare minimum to get starts, lots of stuff isn't
properly documented yet unfortunately.
v2: Fix adjacent spelling error Sean noticed.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Cc: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
- suspend/resume/freeze/thaw unification from Imre
- wa list improvements from Mika&Arun
- display pll precomputation from Ander Conselvan, this removed the last
->mode_set callbacks, a big step towards implementing atomic modesets
- more kerneldoc for the interrupt code
- 180 rotation for cursors (Ville&Sonika)
- ULT/ULX feature check macros cleaned up thanks to Damien
- piles and piles of fixes all over, bug team seems to work!
* tag 'drm-intel-next-2014-10-24' of git://anongit.freedesktop.org/drm-intel: (61 commits)
drm/i915: Update DRIVER_DATE to 20141024
drm/i915: add comments on what stage a given PM handler is called
drm/i915: unify switcheroo and legacy suspend/resume handlers
drm/i915: add poweroff_late handler
drm/i915: sanitize suspend/resume helper function names
drm/i915: unify S3 and S4 suspend/resume handlers
drm/i915: disable/re-enable PCI device around S4 freeze/thaw
drm/i915: enable output polling during S4 thaw
drm/i915: check for GT faults in all resume handlers and driver load time
drm/i915: remove unused restore_gtt_mappings optimization during suspend
drm/i915: fix S4 suspend while switcheroo state is off
drm/i915: vlv: fix switcheroo/legacy suspend/resume
drm/i915: propagate error from legacy resume handler
drm/i915: unify legacy S3 suspend and S4 freeze handlers
drm/i915: factor out i915_drm_suspend_late
drm/i915: Emit even number of dwords when emitting LRIs
drm/i915: Add rotation support for cursor plane (v5)
drm/i915: Correctly reject invalid flags for wait_ioctl
drm/i915: use macros to assign mmio access functions
drm/i915: only run hsw_power_well_post_enable when really needed
...
Documentation for enum v4l2_field did not make it clear that V4L2_FIELD_ANY
is only acceptable as input to the kernel, not as a response from the
driver.
Make it clear, to stop userspace developers like me assuming it can be
returned by the driver.
Signed-off-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Pull documentation fixes from Jonathan Corbet:
"So this is my first pull request since I rashly agreed to look after
the documentation subtree. It contains some typo fixes, a few minor
documentation improvements, and, most importantly, fixes for a couple
of build problems in various bits of sample code.
I fully intend to start sending pull requests with signed tags.
However, due to poor planning on my part and the general obnoxiousness
of life, I'm 2000 miles away from my private key which is sitting on a
powered-down machine. This should be fixed before my next request.
Meanwhile git.lwn.net is a machine under my control, the patches are
all trivial, and all have done time in linux-next"
* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6:
Documentation/SubmittingPatches: Reported-by tags and permission
Documentation: remove outdated references to the linux-next wiki
Documentation: Restrict TSC test code to x86
doc: kernel-parameters.txt: Add ide-generic.probe-mask
vdso: don't require 64-bit math in standalone test
Documentation: Add CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF case
Documentation: Add default kmemleak off case in kernel-parameters.txt
Docs: Document that the sticky bit is understood by hugetlbfs
DocBook: Reduce noise from make cleandocs
Documentation: fix vdso_standalone_test_x86 on 32-bit
Documentation: dt-bindings: Explain order in patch series
Documentation/ABI/testing/sysfs-ibft: fix a typo
FE_SET_PROPERTY requires to open the devnode on R/W mode, or
otherwise it will fail. Document it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Ok, new attempt, this time around with full ppgtt disabled again.
drm-intel-next-2014-10-03:
- first batch of skl stage 1 enabling
- fixes from Rodrigo to the PSR, fbc and sink crc code
- kerneldoc for the frontbuffer tracking code, runtime pm code and the basic
interrupt enable/disable functions
- smaller stuff all over
drm-intel-next-2014-09-19:
- bunch more i830M fixes from Ville
- full ppgtt now again enabled by default
- more ppgtt fixes from Michel Thierry and Chris Wilson
- plane config work from Gustavo Padovan
- spinlock clarifications
- piles of smaller improvements all over, as usual
* tag 'drm-intel-next-2014-10-03-no-ppgtt' of git://anongit.freedesktop.org/drm-intel: (114 commits)
Revert "drm/i915: Enable full PPGTT on gen7"
drm/i915: Update DRIVER_DATE to 20141003
drm/i915: Remove the duplicated logic between the two shrink phases
drm/i915: kerneldoc for interrupt enable/disable functions
drm/i915: Use dev_priv instead of dev in irq setup functions
drm/i915: s/pm._irqs_disabled/pm.irqs_enabled/
drm/i915: Clear TX FIFO reset master override bits on chv
drm/i915: Make sure hardware uses the correct swing margin/deemph bits on chv
drm/i915: make sink_crc return -EIO on aux read/write failure
drm/i915: Constify send buffer for intel_dp_aux_ch
drm/i915: De-magic the PSR AUX message
drm/i915: Reinstate error level message for non-simulated gpu hangs
drm/i915: Kerneldoc for intel_runtime_pm.c
drm/i915: Call runtime_pm_disable directly
drm/i915: Move intel_display_set_init_power to intel_runtime_pm.c
drm/i915: Bikeshed rpm functions name a bit.
drm/i915: Extract intel_runtime_pm.c
drm/i915: Remove intel_modeset_suspend_hw
drm/i915: spelling fixes for frontbuffer tracking kerneldoc
drm/i915: Tighting frontbuffer tracking around flips
...
I've got a harmless warning when running make cleandocs on an already
cleaned tree:
Documentation/DocBook/media/Makefile:28: recipe for target 'cleanmediadocs' failed
make[1]: [cleanmediadocs] Error 1 (ignored)
Suppress this by passing -f to rm.
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Fix media DocBook build errors by re-adding the orderedlist tag
and putting back the section tags lost during merge.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Instead of the open code for the info call back of enum elements,
recommend the use of snd_ctl_elem_info(), which will reduce lots of
codes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pull drm updates from Dave Airlie:
"This is the main git pull for the drm,
I pretty much froze major pulls at -rc5/6 time, and haven't had much
fallout, so will probably continue doing that.
Lots of changes all over, big internal header cleanup to make it clear
drm features are legacy things and what are things that modern KMS
drivers should be using. Also big move to use the new generic fences
in all the TTM drivers.
core:
atomic prep work,
vblank rework changes, allows immediate vblank disables
major header reworking and cleanups to better delinate legacy
interfaces from what KMS drivers should be using.
cursor planes locking fixes
ttm:
move to generic fences (affects all TTM drivers)
ppc64 caching fixes
radeon:
userptr support,
uvd for old asics,
reset rework for fence changes
better buffer placement changes,
dpm feature enablement
hdmi audio support fixes
intel:
Cherryview work,
180 degree rotation,
skylake prep work,
execlist command submission
full ppgtt prep work
cursor improvements
edid caching,
vdd handling improvements
nouveau:
fence reworking
kepler memory clock work
gt21x clock work
fan control improvements
hdmi infoframe fixes
DP audio
ast:
ppc64 fixes
caching fix
rcar:
rcar-du DT support
ipuv3:
prep work for capture support
msm:
LVDS support for mdp4, new panel, gpu refactoring
exynos:
exynos3250 SoC support, drop bad mmap interface,
mipi dsi changes, and component match support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (640 commits)
drm/mst: rework payload table allocation to conform better.
drm/ast: Fix HW cursor image
drm/radeon/kv: add uvd/vce info to dpm debugfs output
drm/radeon/ci: add uvd/vce info to dpm debugfs output
drm/radeon: export reservation_object from dmabuf to ttm
drm/radeon: cope with foreign fences inside the reservation object
drm/radeon: cope with foreign fences inside display
drm/core: use helper to check driver features
drm/radeon/cik: write gfx ucode version to ucode addr reg
drm/radeon/si: print full CS when we hit a packet 0
drm/radeon: remove unecessary includes
drm/radeon/combios: declare legacy_connector_convert as static
drm/radeon/atombios: declare connector convert tables as static
drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table
drm/radeon/dpm: drop clk/voltage dependency filters for BTC
drm/radeon/dpm: drop clk/voltage dependency filters for CI
drm/radeon/dpm: drop clk/voltage dependency filters for SI
drm/radeon/dpm: drop clk/voltage dependency filters for NI
drm/radeon: disable audio when we disable hdmi (v2)
drm/radeon: split audio enable between eg and r600 (v2)
...
Pull core locking updates from Ingo Molnar:
"The main updates in this cycle were:
- mutex MCS refactoring finishing touches: improve comments, refactor
and clean up code, reduce debug data structure footprint, etc.
- qrwlock finishing touches: remove old code, self-test updates.
- small rwsem optimization
- various smaller fixes/cleanups"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Revert qrwlock recusive stuff
locking/rwsem: Avoid double checking before try acquiring write lock
locking/rwsem: Move EXPORT_SYMBOL() lines to follow function definition
locking/rwlock, x86: Delete unused asm/rwlock.h and rwlock.S
locking/rwlock, x86: Clean up asm/spinlock*.h to remove old rwlock code
locking/semaphore: Resolve some shadow warnings
locking/selftest: Support queued rwlock
locking/lockdep: Restrict the use of recursive read_lock() with qrwlock
locking/spinlocks: Always evaluate the second argument of spin_lock_nested()
locking/Documentation: Update locking/mutex-design.txt disadvantages
locking/Documentation: Move locking related docs into Documentation/locking/
locking/mutexes: Use MUTEX_SPIN_ON_OWNER when appropriate
locking/mutexes: Refactor optimistic spinning code
locking/mcs: Remove obsolete comment
locking/mutexes: Document quick lock release when unlocking
locking/mutexes: Standardize arguments in lock/unlock slowpaths
locking: Remove deprecated smp_mb__() barriers
This time it's a relatively calm update batch, but the amount isn't
too small in the end. Here we go over some highlights:
- ALSA core
- One major change is the support of nonatomic PCM operations.
This allows the trigger and other callbacks to call schedule(),
which would be useful for mailbox type communications. Already
some drivers (Digigram ones) have been converted to use together
with threaded irqs as an example.
- Improvement / fixes of DSD PCM format support
- HD-audio
- Large volume of rewrites are found in Realtek codec driver for
converting Dell and HP quirks to generic forms.
- Inverted dmic code cleanup from David.
- Realtek COEF access has been optimized.
- Now HD-audio jack infrastructure allows multiple callbacks, which
fixes / simplifies the jack-dependent power controls on STAC/IDT
and VIA codecs.
- Many additional device-specific fixups as usual
- A few deadcode cleanups, CA0132 code cleanup, etc.
- ASoC
- More componentization work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes
and enhancements for the associated CODEC drivers, this is going
to need a lot quirks over time due to the lack of any firmware
description of the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale
drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32,
Everest Semiconductor ES8328 and Freescale cards using the ASRC
in newer i.MX processors.
- A few simple-card fixes, mostly cleanups but also a fix for
- interaction between GPIO 0 and simple-card.
- Misc
- Virtuoso / Oxygen updates by Clemens
- USB-audio: Yamaha MOTIF XF MIDI port name fixes
- Conversion of kernel messages to standard dev_*() in ctxfi
driver.
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Merge tag 'sound-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This time it's a relatively calm update batch, but the amount isn't
too small in the end. Here we go over some highlights:
ALSA core:
- One major change is the support of nonatomic PCM operations. This
allows the trigger and other callbacks to call schedule(), which
would be useful for mailbox type communications. Already some
drivers (Digigram ones) have been converted to use together with
threaded irqs as an example.
- Improvement / fixes of DSD PCM format support
HD-audio:
- Large volume of rewrites are found in Realtek codec driver for
converting Dell and HP quirks to generic forms.
- Inverted dmic code cleanup from David.
- Realtek COEF access has been optimized.
- Now HD-audio jack infrastructure allows multiple callbacks, which
fixes / simplifies the jack-dependent power controls on STAC/IDT
and VIA codecs.
- Many additional device-specific fixups as usual
- A few deadcode cleanups, CA0132 code cleanup, etc.
ASoC:
- More componentization work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to
need a lot quirks over time due to the lack of any firmware
description of the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32,
Everest Semiconductor ES8328 and Freescale cards using the ASRC in
newer i.MX processors.
- A few simple-card fixes, mostly cleanups but also a fix for
interaction between GPIO 0 and simple-card.
Misc:
- Virtuoso / Oxygen updates by Clemens
- USB-audio: Yamaha MOTIF XF MIDI port name fixes
- Conversion of kernel messages to standard dev_*() in ctxfi driver"
* tag 'sound-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (251 commits)
ASoC: mc13783: Ensure we only try to dereference valid of_nodes
ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_txctrl
ALSA: hda - Add dock port support to Thinkpad L440 (71aa:501e)
ALSA: Allow pass NULL dev for snd_pci_quirk_lookup()
ASoC: imx-es8328: Fix of_node_put() call with uninitialized object
ASoC: soc-pcm: fix sig_bits determination in soc_pcm_apply_msb()
ASoC: simple-card: Initialize headphone and mic GPIO numbers
ASoC: imx-es8328: Fix missing return code in imx_es8328_probe()
ALSA: hda - Add dock support for Thinkpad T440 (17aa:2212)
ALSA: usb: caiaq: check for cdev->n_streams > 1
ASoC: 88pm860x-codec: Fix possibly missing string termination
ASoC: core: fix use after free in snd_soc_remove_platform()
ASoC: soc-dapm: fix use after free
ALSA: hda - Make the inv dmic handling for Realtek use generic parser
ALSA: hda - Add Inverted Internal mic for Samsung Ativ book 9 (NP900X3G)
ALSA: hda - Add inverted internal mic for Asus Aspire 4830T
ASoC: Intel: byt-rt5640: fix coccinelle warnings
ASoC: fsl_esai doc: Add "fsl,vf610-esai" as compatible string
ASoC: da732x: Remove unnecessary KERN_ERR in pr_err()
ASoC: simple-card: Fix detect gpio documentation.
...
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Merge tag 'media/v3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new IR driver: hix5hd2-ir
- the virtual test driver (vivi) was replaced by vivid, with has an
almost complete set of features to emulate most v4l2 devices and
properly test all sorts of userspace apps
- the as102 driver had several bugs fixed and was properly split into a
frontend and a core driver. With that, it got promoted from staging
into mainstream
- one new CI driver got added for CIMaX SP2/SP2HF (sp2 driver)
- one new frontend driver for Toshiba ISDB-T/ISDB-S demod (tc90522)
- one new PCI driver for ISDB-T/ISDB-S (pt3 driver)
- saa7134 driver got support for go7007-based devices
- added a new PCI driver for Techwell 68xx chipsets (tw68)
- a new platform driver was added (coda)
- new tuner drivers: mxl301rf and qm1d1c0042
- a new DVB USB driver was added for DVBSky S860 & similar devices
- added a new SDR driver (hackrf)
- usbtv got audio support
- several platform drivers are now compiled with COMPILE_TEST
- a series of compiler fixup patches, making sparse/spatch happier with
the media stuff and removing several warnings, especially on those
platform drivers that didn't use to compile on x86
- Support for several new modern devices got added
- lots of other fixes, improvements and cleanups
* tag 'media/v3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (544 commits)
[media] ir-hix5hd2: fix build on c6x arch
[media] pt3: fix DTV FE I2C driver load error paths
Revert "[media] media: em28xx - remove reset_resume interface"
[media] exynos4-is: fix some warnings when compiling on arm64
[media] usb drivers: use %zu instead of %zd
[media] pci drivers: use %zu instead of %zd
[media] dvb-frontends: use %zu instead of %zd
[media] s5p-mfc: Fix several printk warnings
[media] s5p_mfc_opr: Fix warnings
[media] ti-vpe: Fix typecast
[media] s3c-camif: fix dma_addr_t printks
[media] s5p_mfc_opr_v6: get rid of warnings when compiled with 64 bits
[media] s5p_mfc_opr_v5: Fix lots of warnings on x86_64
[media] em28xx: Fix identation
[media] drxd: remove a dead code
[media] saa7146: remove return after BUG()
[media] cx88: remove return after BUG()
[media] cx88: fix cards table CodingStyle
[media] radio-sf16fmr2: declare some structs as static
[media] radio-sf16fmi: declare pnp_attached as static
...
Here's the big USB patchset for 3.18-rc1. Also in here is the PHY tree,
as it seems to fit well with the USB tree for various reasons...
Anyway, lots of little changes in here, all over the place, full details
in the changelog below.
All have been in the linux-next tree for a while with no issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB patchset for 3.18-rc1. Also in here is the PHY
tree, as it seems to fit well with the USB tree for various reasons...
Anyway, lots of little changes in here, all over the place, full
details in the changelog
All have been in the linux-next tree for a while with no issues"
* tag 'usb-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (244 commits)
USB: host: st: fix typo 'CONFIG_USB_EHCI_HCD_ST'
uas: Reduce number of function arguments for uas_alloc_foo functions
xhci: Allow xHCI drivers to be built as separate modules
xhci: Export symbols used by host-controller drivers
xhci: Check for XHCI_COMP_MODE_QUIRK when disabling D3cold
xhci: Introduce xhci_init_driver()
usb: hcd: add generic PHY support
usb: rename phy to usb_phy in HCD
usb: gadget: uvc: fix up uvcg_v4l2_get_unmapped_area typo
USB: host: st: fix ehci/ohci driver selection
usb: host: ehci-exynos: Remove unnecessary usb-phy support
usb: core: return -ENOTSUPP for all targeted hosts
USB: Remove .owner field for driver
usb: core: log higher level message on malformed LANGID descriptor
usb: Add LED triggers for USB activity
usb: Rename usb-common.c
usb: gadget: Refactor request completion
usb: gadget: Introduce usb_gadget_giveback_request()
usb: dwc2/gadget: move phy bus legth initialization
phy: remove .owner field for drivers using module_platform_driver
...
- More componentisation work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to need
a lot quirks over time due to the lack of any firmware description of
the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
processors.
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Merge tag 'asoc-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.18
- More componentisation work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to need
a lot quirks over time due to the lack of any firmware description of
the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
processors.
Just start with the basics for now.
Since there's a lot of different functionality in i915_irq.c I've
decided to split it into different sections and pull in just the
relevant functions. Splitting into different files looks like a lot
more work since the interrupt handlers do an awful lot of reuse all
over.
v2: Rebase onto changed function names.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
I've decided not to document the functions exported to the audio
driver since really, they shouldn't exist ...
v2: Improvements from Imre's review plus a few more spelling fixes
I've spotted.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
SKL stage 1 patches still need polish so will likely miss the 3.18
merge window. We've decided to postpone to 3.19 so let's pull this in
to make patch merging and conflict handling easier.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
USB hub has started to use a workqueue instead of kthread. Let's update
the documentation and comments here and there.
This patch mostly just replaces "khubd" with "hub_wq". There are only few
exceptions where the whole sentence was updated. These more complicated
changes can be found in the following files:
Documentation/usb/hotplug.txt
drivers/net/usb/usbnet.c
drivers/usb/core/hcd.c
drivers/usb/host/ohci-hcd.c
drivers/usb/host/xhci.c
Signed-off-by: Petr Mladek <pmladek@suse.cz>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Only !P can be used together with a function list.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The poll documentation was incomplete: document how events (POLLPRI)
are handled and fix the documentation of what poll does for display devices
and streaming I/O.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Clarify what poll() returns if STREAMON was called but not QBUF.
Make explicit the different behavior for this scenario for
capture and output devices.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Note: the revision text for the v4l2_pix_format change from Laurent
erroneously mentioned 3.16 when it only got merged for 3.17. Fixed
that as well.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
G_EDID is an RW ioctl, so the struct v4l2_edid isn't const.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The ARGB32 pixel format's fourcc value is defined to 'BA24' in the
videodev2.h header, but documented as 'AX24'. Fix the documentation.
Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The existing RGB555X pixel format is ill-defined in respect to its alpha
bit and its meaning is driver dependent. Create new standard ARGB555X
and XRGB555X variants with clearly defined meanings and make the
existing variant deprecated.
The new pixel formats 4CC values have been selected to match the DRM
4CCs for the same in-memory formats.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The V4L2_CID_PAN_SPEED and V4L2_CID_TILT_SPEED controls allow to move the
camera by setting its rotation speed around its axis.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Pawel Osciak <posciak@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
I shouldn't ask everyone to do this and fail myself ...
This extracts all the frontbuffer tracking functions into
intel_frontbuffer.c, adds a DOC overview section and also adds the
missing kerneldoc for i915_gem_track_fb and also pulls it into the
same section for convenience.
v2: Don't forget about the header files.
v3: Oops, might check compilation next time around. To make my life
easier drop the increase_pllclock from set_base_atomic since really,
it doesn't matter if you see your Oops or kgdb with a tiny bit of lag.
v4: Try to better explain how to actually use this, requested by Paulo
on irc.
v5: Explain invalidate/flush a bit clearer.
v6: s/business/busyness/
Acked-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Vandana Kannan <vandana.kannan@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Dave asked me to do the backmerge before sending him the revised pull
request, so here we go. Nothing fancy in the conflicts, just a few
things changed right next to each another.
Conflicts:
drivers/gpu/drm/drm_irq.c
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
This merges all the remains of drm_usb into its only user, udl. We can
then drop all the drm_usb stuff, including dev->usbdev.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drm-intel-next-2014-08-22:
- basic code for execlist, which is the fancy new cmd submission on gen8. Still
disabled by default (Ben, Oscar Mateo, Thomas Daniel et al)
- remove the useless usage of console_lock for I915_FBDEV=n (Chris)
- clean up relations between ctx and ppgtt
- clean up ppgtt lifetime handling (Michel Thierry)
- various cursor code improvements from Ville
- execbuffer code cleanups and secure batch fixes (Chris)
- prep work for dev -> dev_priv transition (Chris)
- some of the prep patches for the seqno -> request object transition (Chris)
- various small improvements all over
* tag 'drm-intel-next-2014-09-01' of git://anongit.freedesktop.org/drm-intel: (86 commits)
drm/i915: fix suspend/resume for GENs w/o runtime PM support
drm/i915: Update DRIVER_DATE to 20140822
drm: fix plane rotation when restoring fbdev configuration
drm/i915/bdw: Disable execlists by default
drm/i915/bdw: Enable Logical Ring Contexts (hence, Execlists)
drm/i915/bdw: Document Logical Rings, LR contexts and Execlists
drm/i915/bdw: Print context state in debugfs
drm/i915/bdw: Display context backing obj & ringbuffer info in debugfs
drm/i915/bdw: Display execlists info in debugfs
drm/i915/bdw: Disable semaphores for Execlists
drm/i915/bdw: Make sure gpu reset still works with Execlists
drm/i915/bdw: Don't write PDP in the legacy way when using LRCs
drm/i915: Track cursor changes as frontbuffer tracking flushes
drm/i915/bdw: Help out the ctx switch interrupt handler
drm/i915/bdw: Avoid non-lite-restore preemptions
drm/i915/bdw: Handle context switch events
drm/i915/bdw: Two-stage execlist submit process
drm/i915/bdw: Write the tail pointer, LRC style
drm/i915/bdw: Implement context switching (somewhat)
drm/i915/bdw: Emission of requests with logical rings
...
Conflicts:
drivers/gpu/drm/i915/i915_drv.c
- Setting dp M2/N2 values plus state checker support (Vandana Kannan)
- chv power well support (Ville)
- DP training pattern 3 support for chv (Ville)
- cleanup of the hsw/bdw ddi pll code, prep work for skl (Damien)
- dsi video burst mode support (Shobhit)
- piles of other chv fixes all over (Ville et. al.)
- cleanup of the ddi translation tables setup code (Damien)
- 180 deg rotation support (Ville & Sonika Jindal)
* tag 'drm-intel-next-2014-08-08' of git://anongit.freedesktop.org/drm-intel: (59 commits)
drm/i915: Update DRIVER_DATE to 20140808
drm/i915: No busy-loop wait_for in the ring init code
drm/i915: Add sprite watermark programming for VLV and CHV
drm/i915: Round-up clock and limit drain latency
drm/i915: Generalize drain latency computation
drm/i915: Free pending page flip events at .preclose()
drm/i915: clean up PPGTT checking logic
drm/i915: Polish the chv cmnlane resrt macros
drm/i915: Hack to tie both common lanes together on chv
drm/i915: Add cherryview_update_wm()
drm/i915: Update DDL only for current CRTC
drm/i915: Parametrize VLV_DDL registers
drm/i915: Fill out the FWx watermark register defines
drm: Resetting rotation property
drm/i915: Add rotation property for sprites
drm: Add rotation_property to mode_config
drm/i915: Make intel_plane_restore() return an error
drm/i915: Add 180 degree sprite rotation support
drm/i915: Introduce a for_each_intel_encoder() macro
drm/i915: Demote the DRRS messages to debug messages
...
Constify event type constants and correct motion detection event number
(it's 6, not 5).
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The order of the last two fields in the G/S_EDID specification was swapped from
what is in the actual struct. Fix this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
In many cases the test pattern has selectable values for each colour
component. Implement controls for raw bayer components. Additional controls
should be defined for colour components that are not covered by these
controls.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Add theory of operation notes to intel_lrc.c and comments to externally
visible functions.
v2: Add notes on logical ring context creation.
v3: Use kerneldoc.
v4: Integrate it in the DocBook template.
Signed-off-by: Thomas Daniel <thomas.daniel@intel.com> (v1)
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com> (v2, v3)
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Drop hunk about render ring init function since that's not
yet merged.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Commit 21d70354bb ("drm: move drm_stub.c to drm_drv.c") moves the code
from drm_stub.c into drm_drv.c. Update DocBook to include that instead.
This also came in via other people, but all the same.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add a small static inline helper to grab the vblank wait queue based on
the drm_crtc.
This is useful for drivers to do internal vblank waits using
wait_event() & co.
v2: Pimp commit message (Daniel)
Add kernel doc (Daniel)
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Pull DRM updates from Dave Airlie:
"Like all good pull reqs this ends with a revert, so it must mean we
tested it,
[ Ed. That's _one_ way of looking at it ]
This pull is missing nouveau, Ben has been stuck trying to track down
a very longstanding bug that revealed itself due to some other
changes. I've asked him to send you a direct pull request for nouveau
once he cleans things up. I'm away until Monday so don't want to
delay things, you can make a decision on that when he sends it, I have
my phone so I can ack things just not really merge much.
It has one trivial conflict with your tree in armada_drv.c, and also
the pull request contains some component changes that are already in
your tree, the base tree from Russell went via Greg's tree already,
but some stuff still shows up in here that doesn't when I merge my
tree into yours.
Otherwise all pretty standard graphics fare, one new driver and
changes all over the place.
New drivers:
- sti kms driver for STMicroelectronics chipsets stih416 and stih407.
core:
- lots of cleanups to the drm core
- DP MST helper code merged
- universal cursor planes.
- render nodes enabled by default
panel:
- better panel interfaces
- new panel support
- non-continuous cock advertising ability
ttm:
- shrinker fixes
i915:
- hopefully ditched UMS support
- runtime pm fixes
- psr tracking and locking - now enabled by default
- userptr fixes
- backlight brightness fixes
- MST support merged
- runtime PM for dpms
- primary planes locking fixes
- gen8 hw semaphore support
- fbc fixes
- runtime PM on SOix sleep state hw.
- mmio base page flipping
- lots of vlv/chv fixes.
- universal cursor planes
radeon:
- Hawaii fixes
- display scalar support for non-fixed mode displays
- new firmware format support
- dpm on more asics by default
- GPUVM improvements
- uncached and wc GTT buffers
- BOs > visible VRAM
exynos:
- i80 interface support
- module auto-loading
- ipp driver consolidated.
armada:
- irq handling in crtc layer only
- crtc renumbering
- add component support
- DT interaction changes.
tegra:
- load as module fixes
- eDP bpp and sync polarity fixed
- DSI non-continuous clock mode support
- better support for importing buffers from nouveau
msm:
- mdp5/adq8084 v1.3 hw enablement
- devicetree clk changse
- ifc6410 board working
tda998x:
- component support
- DT documentation update
vmwgfx:
- fix compat shader namespace"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (551 commits)
Revert "drm: drop redundant drm_file->is_master"
drm/panel: simple: Use devm_gpiod_get_optional()
drm/dsi: Replace upcasting macro by function
drm/panel: ld9040: Replace upcasting macro by function
drm/exynos: dp: Modify driver to support drm_panel
drm/exynos: Move DP setup into commit()
drm/panel: simple: Add AUO B133HTN01 panel support
drm/panel: simple: Support delays in panel functions
drm/panel: simple: Add proper definition for prepare and unprepare
drm/panel: s6e8aa0: Add proper definition for prepare and unprepare
drm/panel: ld9040: Add proper definition for prepare and unprepare
drm/tegra: Add support for panel prepare and unprepare routines
drm/exynos: dsi: Add support for panel prepare and unprepare routines
drm/exynos: dpi: Add support for panel prepare and unprepare routines
drm/panel: simple: Add dummy prepare and unprepare routines
drm/panel: s6e8aa0: Add dummy prepare and unprepare routines
drm/panel: ld9040: Add dummy prepare and unprepare routines
drm/panel: Provide convenience wrapper for .get_modes()
drm/panel: add .prepare() and .unprepare() functions
drm/panel: simple: Remove simple-panel compatible
...
Add a flag to drm_device which will cause the vblank code to bypass the
disable timer and always disable the vblank interrupt immediately when
the last reference is dropped.
v2: Add some notes about the flag to the kernel doc
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Make drm_vblank_put() disable the vblank interrupt immediately when the
refcount drops to zero and drm_vblank_offdelay<0.
v2: Preserve the current drm_vblank_offdelay==0 'never disable' behaviur
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Pull timer and time updates from Thomas Gleixner:
"A rather large update of timers, timekeeping & co
- Core timekeeping code is year-2038 safe now for 32bit machines.
Now we just need to fix all in kernel users and the gazillion of
user space interfaces which rely on timespec/timeval :)
- Better cache layout for the timekeeping internal data structures.
- Proper nanosecond based interfaces for in kernel users.
- Tree wide cleanup of code which wants nanoseconds but does hoops
and loops to convert back and forth from timespecs. Some of it
definitely belongs into the ugly code museum.
- Consolidation of the timekeeping interface zoo.
- A fast NMI safe accessor to clock monotonic for tracing. This is a
long standing request to support correlated user/kernel space
traces. With proper NTP frequency correction it's also suitable
for correlation of traces accross separate machines.
- Checkpoint/restart support for timerfd.
- A few NOHZ[_FULL] improvements in the [hr]timer code.
- Code move from kernel to kernel/time of all time* related code.
- New clocksource/event drivers from the ARM universe. I'm really
impressed that despite an architected timer in the newer chips SoC
manufacturers insist on inventing new and differently broken SoC
specific timers.
[ Ed. "Impressed"? I don't think that word means what you think it means ]
- Another round of code move from arch to drivers. Looks like most
of the legacy mess in ARM regarding timers is sorted out except for
a few obnoxious strongholds.
- The usual updates and fixlets all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits)
timekeeping: Fixup typo in update_vsyscall_old definition
clocksource: document some basic timekeeping concepts
timekeeping: Use cached ntp_tick_length when accumulating error
timekeeping: Rework frequency adjustments to work better w/ nohz
timekeeping: Minor fixup for timespec64->timespec assignment
ftrace: Provide trace clocks monotonic
timekeeping: Provide fast and NMI safe access to CLOCK_MONOTONIC
seqcount: Add raw_write_seqcount_latch()
seqcount: Provide raw_read_seqcount()
timekeeping: Use tk_read_base as argument for timekeeping_get_ns()
timekeeping: Create struct tk_read_base and use it in struct timekeeper
timekeeping: Restructure the timekeeper some more
clocksource: Get rid of cycle_last
clocksource: Move cycle_last validation to core code
clocksource: Make delta calculation a function
wireless: ath9k: Get rid of timespec conversions
drm: vmwgfx: Use nsec based interfaces
drm: i915: Use nsec based interfaces
timekeeping: Provide ktime_get_raw()
hangcheck-timer: Use ktime_get_ns()
...
Pull media updates from Mauro Carvalho Chehab:
- removal of sn9c102. This device driver was replaced a long time ago
by gspca
- solo6x10 and go7007 webcam drivers moved from staging into
mainstream. They were waiting for an API to allow setting the image
detection matrix
- SDR drivers moved from staging into mainstream: sdr-msi3101 (renamed
as msi2500) and rtl2832
- added SDR driver for airspy
- added demux driver: si2165
- rework at several RC subsystem, making the code for RC-5 SZ variant
to be added at the standard RC5 decoder
- added decoder for the XMP IR protocol
- tuner driver moved from staging into mainstream: msi3101 (renamed as
msi001)
- added documentation for some additional SDR pixfmt
- some device tree bindings documented
- added support for exynos3250 at s5p-jpeg
- remove the obsolete, unmaintained and broken mx1_camera driver
- added support for remote controllers at au0828 driver
- added a RC driver: sunxi-cir
- several driver fixes, enhancements and cleanups.
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (455 commits)
[media] cx23885: fix UNSET/TUNER_ABSENT confusion
[media] coda: fix build error by making reset control optional
[media] radio-miropcm20: fix sparse NULL pointer warning
[media] MAINTAINERS: Update go7007 pattern
[media] MAINTAINERS: Update solo6x10 patterns
[media] media: atmel-isi: add primary DT support
[media] media: atmel-isi: convert the pdata from pointer to structure
[media] media: atmel-isi: add v4l2 async probe support
[media] rcar_vin: add devicetree support
[media] media: pxa_camera device-tree support
[media] media: mt9m111: add device-tree suppport
[media] soc_camera: add support for dt binding soc_camera drivers
[media] media: soc_camera: pxa_camera documentation device-tree support
[media] media: mt9m111: add device-tree documentation
[media] s5p-mfc: remove unnecessary calling to function video_devdata()
[media] s5p-jpeg: add chroma subsampling adjustment for Exynos3250
[media] s5p-jpeg: Prevent erroneous downscaling for Exynos3250 SoC
[media] s5p-jpeg: Assure proper crop rectangle initialization
[media] s5p-jpeg: fix g_selection op
[media] s5p-jpeg: Adjust jpeg_bound_align_image to Exynos3250 needs
...
Here is the big USB driver update for 3.17-rc1.
Loads of gadget driver changes in here, including some big file
movements to make things easier to manage over time. There's also the
usual xhci and uas driver updates, and a handful of other changes in
here. The changelog has the full details.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big USB driver update for 3.17-rc1.
Loads of gadget driver changes in here, including some big file
movements to make things easier to manage over time. There's also the
usual xhci and uas driver updates, and a handful of other changes in
here. The changelog has the full details.
All of these have been in linux-next for a while"
* tag 'usb-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (211 commits)
USB: devio: fix issue with log flooding
uas: Log a warning when we cannot use uas because the hcd lacks streams
uas: Only complain about missing sg if all other checks succeed
xhci: Add missing checks for xhci_alloc_command failure
xhci: Rename Asrock P67 pci product-id to EJ168
xhci: Blacklist using streams on the Etron EJ168 controller
uas: Limit qdepth to 32 when connected over usb-2
uwb/whci: use correct structure type name in sizeof
usb-core bInterval quirk
USB: serial: ftdi_sio: Add support for new Xsens devices
USB: serial: ftdi_sio: Annotate the current Xsens PID assignments
usb: chipidea: debug: fix sparse non static symbol warnings
usb: ci_hdrc_imx doc: fsl,usbphy is required
usb: ci_hdrc_imx: Return -EINVAL for missing USB PHY
usb: core: allow zero packet flag for interrupt urbs
usb: lvstest: Fix sparse warnings generated by kbuild test bot
USB: core: hcd-pci: free IRQ before disabling PCI device when shutting down
phy: miphy365x: Represent each PHY channel as a DT subnode
phy: miphy365x: Provide support for the MiPHY356x Generic PHY
phy: miphy365x: Add Device Tree bindings for the MiPHY365x
...
Pull in drm-next with Dave's DP MST support so that I can merge some
conflicting patches which also touch the driver load sequencing around
interrupt handling.
Conflicts:
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_dp.c
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Document the new RDS receiver controls. This will be used by the radio-miropcm20
driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document the new RDS features that will be supported by the si4713 driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This patch explicitly documents the relationship between bytesused and data_offset.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Updated drm documentation to include desscription of aspect ratio property.
v2: Updated aspect ratio specific documentation on top of the HTML table created.
Signed-off-by: Vandana Kannan <vandana.kannan@intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sagar Kamble <sagar.a.kamble@intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The DocBook documentation is incorrect: on ISDB-T, interleaving
time is always a power of 2. Fix it and provides a table showing
the actual interleaving length for each mode.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
V4L2_CID_BASE_LASTP1 should be V4L2_CID_LASTP1. This has probably been wrong
since the earliest days of this documentation until I did a copy-and-paste
and found out that V4L2_CID_BASE_LASTP1 doesn't actually exist :-)
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Add defines for the start line numbers of each field for both
525 and 625 line formats.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The fact that the pixelformat is using a packed RGB format has nothing
to do with the colorspace that is being used. Those are very different
things. The colorspace decides what color a triplet of RGB numbers
actually map to. E.g. a red color with values (255, 0, 0) is a different
type of red depending on the colorspace. If the original pixelformat was
e.g. YUV in colorspace REC709, then after the conversion to RGB the
colorspace is still REC709. Unless the hardware actually converted the
colorspace as well from REC709 to sRGB, but that rarely if ever happens.
Remove this incorrect comment.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
New field buffersize was added to inform application maximum
buffer size used. Add it to documentation too.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
V4L2_SDR_FMT_CS14LE is complex signed 14-bit sample format, used
for software defined radio devices.
[m.chehab@samsung.com: remove V4L2_FL_USE_FH_PRIO setting to avoid
compilation breakage, as this flag doesn't exist anymore]
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
V4L2_SDR_FMT_CS8 is complex signed 8-bit sample format, used for
software defined radio devices.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document V4L2_SDR_FMT_RU12LE format. It is real unsigned 12-bit
little endian sample inside 16-bit space. Used by software defined
radio devices.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Surprisingly enough, while a big set of patches, the majority is
composed of cleanups (using devm_*, fixing sparse errors, moving
code around, adding const, etc).
The highlights are addition of new support for PLX USB338x devices,
and support for USB 2.0-only configurations of the DWC3 IP core.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v3.17 merge window
Surprisingly enough, while a big set of patches, the majority is
composed of cleanups (using devm_*, fixing sparse errors, moving
code around, adding const, etc).
The highlights are addition of new support for PLX USB338x devices,
and support for USB 2.0-only configurations of the DWC3 IP core.
Signed-of-by: Felipe Balbi <balbi@ti.com>
The total number of bits is 16 (12+4). Fix it.
Signed-off-by: Andreas Weber <andy.weber.aw@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The text referred to videodev.h when videodev2.h was meant. Fixed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The v4l2_event union has a new src_change field, but that was never
added to the VIDIOC_DQEVENT documentation of that union. Fixed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
There shouldn't be any spaces after <constant> or before </constant>.
This leads to ugly results like: 'image size set by VIDIOC_S_FMT .'
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Gadget function files have been moved to a "function" subdirectory.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When set, the new V4L2_PIX_FMT_FLAG_PREMUL_ALPHA flag indicates that the
pixel values are premultiplied by the alpha channel value.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The v4l2_pix_format structure has no reserved field. It is embedded in
the v4l2_framebuffer structure which has no reserved fields either, and
in the v4l2_format structure which has reserved fields that were not
previously required to be zeroed out by applications.
To allow extending v4l2_pix_format, inline it in the v4l2_framebuffer
structure, and use the priv field as a magic value to indicate that the
application has set all v4l2_pix_format extended fields and zeroed all
reserved fields following the v4l2_pix_format field in the v4l2_format
structure.
The availability of this API extension is reported to userspace through
the new V4L2_CAP_EXT_PIX_FORMAT capability flag. Just checking that the
priv field is still set to the magic value at [GS]_FMT return wouldn't
be enough, as older kernels don't zero the priv field on return.
To simplify the internal API towards drivers zero the extended fields
and set the priv field to the magic value for applications not aware of
the extensions.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Extend the V4L2_CID_ALPHA_COMPONENT control for use on output devices,
to set the alpha component value when the output format doesn't have an
alpha channel.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The existing RGB pixel formats are ill-defined in respect to their alpha
bits and their meaning is driver dependent. Create new standard ARGB and
XRGB variants with clearly defined meanings and make the existing
variants deprecated.
The new pixel formats 4CC values have been selected to match the DRM
4CCs for the same in-memory formats.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Removed the "This type is only used-in array controls." sentence in DocBook
which was thought to only confuse.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document the new motion detection event.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document the 'Detect' control class and the new Motion Detection controls.
Those controls will be used by the solo6x10 and go7007 drivers.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
These types are needed for the upcoming Motion Detection matrix
controls, so document them.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document the support for compound types in controls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Improve the control section:
- Clarify the handling of private controls
- Explain the V4L2_CTRL_FLAG_INACTIVE flag
- Remove obsolete text regarding missing control event (we have them
today) and the incorrect V4L2_CTRL_FLAG_DISABLED reference.
- Add a code example on how to enumerate over user controls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Use the proper kernel coding style in these examples.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document the support for the new compound type controls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Document the new VIDIOC_QUERY_EXT_CTRL ioctl.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Merge tag 'v3.16-rc5' into HEAD
Docbook creation was broken. We need to move after
v3.16-rc1-3-ga981296f048b in order to get commit
a981296f04.
Linux 3.16-rc5
* tag 'v3.16-rc5': (985 commits)
Linux 3.16-rc5
clk: spear3xx: Set proper clock parent of uart1/2
clk: spear3xx: Use proper control register offset
parisc: drop unused defines and header includes
parisc: fix fanotify_mark() syscall on 32bit compat kernel
parisc: add serial ports of C8000/1GHz machine to hardware database
ext4: fix potential null pointer dereference in ext4_free_inode
ext4: fix a potential deadlock in __ext4_es_shrink()
Documenation/laptops: rename and update hpfall.c
DocBook: fix various typos
DocBook: fix mtdnand typos
scripts/kernel-doc: handle object-like macros
Documentation/Changes: clean up mcelog paragraph
ARM: at91: at91sam9x5: add clocks for usb device
phy: omap-usb2: Balance pm_runtime_enable() on probe failure and remove
phy: core: Fix error path in phy_create()
drivers: phy: phy-samsung-usb2.c: Add missing MODULE_DEVICE_TABLE
phy: omap-usb2: fix devm_ioremap_resource error detection code
phy: sun4i: depend on RESET_CONTROLLER
USB: serial: ftdi_sio: Add Infineon Triboard
...
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Merge tag 'v3.16-rc5' into timers/core
Reason: Bring in upstream modifications, so the pending changes which
depend on them can be queued.
This patch fixed spelling typo in various template files
within Documentation/Docbook.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch fixed spelling typo found in DocBook/mtdnand.tmpl.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These property descriptions were kept as placeholder. Removing them for simplicity.
Cc: damien.lespiau@intel.com
Cc: daniel.vetter@ffwll.ch
Cc: ville.syrjala@linux.intel.com
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Acked-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Move the list of shared fences to a struct, and return it in
reservation_object_get_list().
Add reservation_object_get_excl to get the exclusive fence.
Add reservation_object_reserve_shared(), which reserves space
in the reservation_object for 1 more shared fence.
reservation_object_add_shared_fence() and
reservation_object_add_excl_fence() are used to assign a new
fence to a reservation_object pointer, to complete a reservation.
Changes since v1:
- Add reservation_object_get_excl, reorder code a bit.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This type of fence can be used with hardware synchronization for simple
hardware that can block execution until the condition
(dma_buf[offset] - value) >= 0 has been met when WAIT_GEQUAL is used,
or (dma_buf[offset] != 0) has been met when WAIT_NONZERO is set.
A software fallback still has to be provided in case the fence is used
with a device that doesn't support this mechanism. It is useful to expose
this for graphics cards that have an op to support this.
Some cards like i915 can export those, but don't have an option to wait,
so they need the software fallback.
I extended the original patch by Rob Clark.
v1: Original
v2: Renamed from bikeshed to seqno, moved into dma-fence.c since
not much was left of the file. Lots of documentation added.
v3: Use fence_ops instead of custom callbacks. Moved to own file
to avoid circular dependency between dma-buf.h and fence.h
v4: Add spinlock pointer to seqno_fence_init
v5: Add condition member to allow wait for != 0.
Fix small style errors pointed out by checkpatch.
v6: Move to a separate file. Fix up api changes in fences.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Reviewed-by: Rob Clark <robdclark@gmail.com> #v4
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A fence can be attached to a buffer which is being filled or consumed
by hw, to allow userspace to pass the buffer without waiting to another
device. For example, userspace can call page_flip ioctl to display the
next frame of graphics after kicking the GPU but while the GPU is still
rendering. The display device sharing the buffer with the GPU would
attach a callback to get notified when the GPU's rendering-complete IRQ
fires, to update the scan-out address of the display, without having to
wake up userspace.
A driver must allocate a fence context for each execution ring that can
run in parallel. The function for this takes an argument with how many
contexts to allocate:
+ fence_context_alloc()
A fence is transient, one-shot deal. It is allocated and attached
to one or more dma-buf's. When the one that attached it is done, with
the pending operation, it can signal the fence:
+ fence_signal()
To have a rough approximation whether a fence is fired, call:
+ fence_is_signaled()
The dma-buf-mgr handles tracking, and waiting on, the fences associated
with a dma-buf.
The one pending on the fence can add an async callback:
+ fence_add_callback()
The callback can optionally be cancelled with:
+ fence_remove_callback()
To wait synchronously, optionally with a timeout:
+ fence_wait()
+ fence_wait_timeout()
When emitting a fence, call:
+ trace_fence_emit()
To annotate that a fence is blocking on another fence, call:
+ trace_fence_annotate_wait_on(fence, on_fence)
A default software-only implementation is provided, which can be used
by drivers attaching a fence to a buffer when they have no other means
for hw sync. But a memory backed fence is also envisioned, because it
is common that GPU's can write to, or poll on some memory location for
synchronization. For example:
fence = custom_get_fence(...);
if ((seqno_fence = to_seqno_fence(fence)) != NULL) {
dma_buf *fence_buf = seqno_fence->sync_buf;
get_dma_buf(fence_buf);
... tell the hw the memory location to wait ...
custom_wait_on(fence_buf, seqno_fence->seqno_ofs, fence->seqno);
} else {
/* fall-back to sw sync * /
fence_add_callback(fence, my_cb);
}
On SoC platforms, if some other hw mechanism is provided for synchronizing
between IP blocks, it could be supported as an alternate implementation
with it's own fence ops in a similar way.
enable_signaling callback is used to provide sw signaling in case a cpu
waiter is requested or no compatible hardware signaling could be used.
The intention is to provide a userspace interface (presumably via eventfd)
later, to be used in conjunction with dma-buf's mmap support for sw access
to buffers (or for userspace apps that would prefer to do their own
synchronization).
v1: Original
v2: After discussion w/ danvet and mlankhorst on #dri-devel, we decided
that dma-fence didn't need to care about the sw->hw signaling path
(it can be handled same as sw->sw case), and therefore the fence->ops
can be simplified and more handled in the core. So remove the signal,
add_callback, cancel_callback, and wait ops, and replace with a simple
enable_signaling() op which can be used to inform a fence supporting
hw->hw signaling that one or more devices which do not support hw
signaling are waiting (and therefore it should enable an irq or do
whatever is necessary in order that the CPU is notified when the
fence is passed).
v3: Fix locking fail in attach_fence() and get_fence()
v4: Remove tie-in w/ dma-buf.. after discussion w/ danvet and mlankorst
we decided that we need to be able to attach one fence to N dma-buf's,
so using the list_head in dma-fence struct would be problematic.
v5: [ Maarten Lankhorst ] Updated for dma-bikeshed-fence and dma-buf-manager.
v6: [ Maarten Lankhorst ] I removed dma_fence_cancel_callback and some comments
about checking if fence fired or not. This is broken by design.
waitqueue_active during destruction is now fatal, since the signaller
should be holding a reference in enable_signalling until it signalled
the fence. Pass the original dma_fence_cb along, and call __remove_wait
in the dma_fence_callback handler, so that no cleanup needs to be
performed.
v7: [ Maarten Lankhorst ] Set cb->func and only enable sw signaling if
fence wasn't signaled yet, for example for hardware fences that may
choose to signal blindly.
v8: [ Maarten Lankhorst ] Tons of tiny fixes, moved __dma_fence_init to
header and fixed include mess. dma-fence.h now includes dma-buf.h
All members are now initialized, so kmalloc can be used for
allocating a dma-fence. More documentation added.
v9: Change compiler bitfields to flags, change return type of
enable_signaling to bool. Rework dma_fence_wait. Added
dma_fence_is_signaled and dma_fence_wait_timeout.
s/dma// and change exports to non GPL. Added fence_is_signaled and
fence_enable_sw_signaling calls, add ability to override default
wait operation.
v10: remove event_queue, use a custom list, export try_to_wake_up from
scheduler. Remove fence lock and use a global spinlock instead,
this should hopefully remove all the locking headaches I was having
on trying to implement this. enable_signaling is called with this
lock held.
v11:
Use atomic ops for flags, lifting the need for some spin_lock_irqsaves.
However I kept the guarantee that after fence_signal returns, it is
guaranteed that enable_signaling has either been called to completion,
or will not be called any more.
Add contexts and seqno to base fence implementation. This allows you
to wait for less fences, by testing for seqno + signaled, and then only
wait on the later fence.
Add FENCE_TRACE, FENCE_WARN, and FENCE_ERR. This makes debugging easier.
An CONFIG_DEBUG_FENCE will be added to turn off the FENCE_TRACE
spam, and another runtime option can turn it off at runtime.
v12:
Add CONFIG_FENCE_TRACE. Add missing documentation for the fence->context
and fence->seqno members.
v13:
Fixup CONFIG_FENCE_TRACE kconfig description.
Move fence_context_alloc to fence.
Simplify fence_later.
Kill priv member to fence_cb.
v14:
Remove priv argument from fence_add_callback, oops!
v15:
Remove priv from documentation.
Explicitly include linux/atomic.h.
v16:
Add trace events.
Import changes required by android syncpoints.
v17:
Use wake_up_state instead of try_to_wake_up. (Colin Cross)
Fix up commit description for seqno_fence. (Rob Clark)
v18:
Rename release_fence to fence_release.
Move to drivers/dma-buf/.
Rename __fence_is_signaled and __fence_signal to *_locked.
Rename __fence_init to fence_init.
Make fence_default_wait return a signed long, and fix wait ops too.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com> #use smp_mb__before_atomic()
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is the initial import of the helper for displayport multistream.
It consists of a topology manager, init/destroy/set mst state
It supports DP 1.2 MST sideband msg protocol handler - via hpd irqs
connector detect and edid retrieval interface.
It supports i2c device over DP 1.2 sideband msg protocol (EDID reads only)
bandwidth manager API via vcpi allocation and payload updating,
along with a helper to check the ACT status.
Objects:
MST topology manager - one per toplevel MST capable GPU port - not sure if this should be higher level again
MST branch unit - one instance per plugged branching unit - one at top of hierarchy - others hanging from ports
MST port - one port per port reported by branching units, can have MST units hanging from them as well.
Changes since initial posting:
a) add a mutex responsbile for the queues, it locks the sideband and msg slots, and msgs to transmit state
b) add worker to handle connection state change events, for MST device chaining and hotplug
c) add a payload spinlock
d) add path sideband msg support
e) fixup enum path resources transmit
f) reduce max dpcd msg to 16, as per DP1.2 spec.
g) separate tx queue kicking from irq processing and move irq acking back to drivers.
Changes since v0.2:
a) reorganise code,
b) drop ACT forcing code
c) add connector naming interface using path property
d) add topology dumper helper
e) proper reference counting and lookup for ports and mstbs.
f) move tx kicking into a workq
g) add aux locking - this should be redone
h) split teardown into two parts
i) start working on documentation on interface.
Changes since v0.3:
a) vc payload locking and tracking fixes
b) add hotplug callback into driver - replaces crazy return 1 scheme
c) txmsg + mst branch device refcount fixes
d) don't bail on mst shutdown if device is gone
e) change irq handler to take all 4 bytes of SINK_COUNT + ESI vectors
f) make DP payload updates timeout longer - observed on docking station redock
g) add more info to debugfs dumper
Changes since v0.4:
a) suspend/resume support
b) more debugging in debugfs
Changes since v0.5:
a) use byte * to avoid unnecessary stack usage
b) fix num_sdp_streams interpretation.
c) init payload state for unplug events
d) remove lenovo dock sink count hack
e) drop aux lock - post rebase
f) call hotplug on port destroy
TODO:
misc features
Reviewed-by: Todd Previte <tprevite@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
misc core patches picked up by Daniel and Jani.
* tag 'topic/core-stuff-2014-06-30' of git://anongit.freedesktop.org/drm-intel:
drm/fb-helper: Remove unnecessary list empty check in drm_fb_helper_debug_enter()
drm/fb-helper: Redundant info->fix.type_aux setting in drm_fb_helper_fill_fix()
drm/debugfs: add an "edid_override" file per connector
drm/debugfs: add a "force" file per connector
drm: add register and unregister functions for connectors
drm: fix uninitialized acquire_ctx fields (v2)
drm: Driver-specific ioctls range from 0x40 to 0x9f
drm: Don't export internal module variables
Introduce generic functions to register and unregister connectors. This
provides a common place to add and remove associated user space
interfaces.
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
After commits 890676c6 (kbuild: Use relative path when building in the source
tree) and 9da0763b (kbuild: Use relative path when building in a subdir
of the source tree), the $(srctree) variable can be a relative path.
This breaks Documentation/DocBook/media/Makefile, because it tries to
create symlinks from a subdirectory of the object tree to the source
tree. Fix this by using a full path in this case.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Pull networking updates from David Miller:
1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.
2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
Benniston.
3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
Mork.
4) BPF now has a "random" opcode, from Chema Gonzalez.
5) Add more BPF documentation and improve test framework, from Daniel
Borkmann.
6) Support TCP fastopen over ipv6, from Daniel Lee.
7) Add software TSO helper functions and use them to support software
TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia.
8) Support software TSO in fec driver too, from Nimrod Andy.
9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.
10) Handle broadcasts more gracefully over macvlan when there are large
numbers of interfaces configured, from Herbert Xu.
11) Allow more control over fwmark used for non-socket based responses,
from Lorenzo Colitti.
12) Do TCP congestion window limiting based upon measurements, from Neal
Cardwell.
13) Support busy polling in SCTP, from Neal Horman.
14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.
15) Bridge promisc mode handling improvements from Vlad Yasevich.
16) Don't use inetpeer entries to implement ID generation any more, it
performs poorly, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
tcp: fixing TLP's FIN recovery
net: fec: Add software TSO support
net: fec: Add Scatter/gather support
net: fec: Increase buffer descriptor entry number
net: fec: Factorize feature setting
net: fec: Enable IP header hardware checksum
net: fec: Factorize the .xmit transmit function
bridge: fix compile error when compiling without IPv6 support
bridge: fix smatch warning / potential null pointer dereference
via-rhine: fix full-duplex with autoneg disable
bnx2x: Enlarge the dorq threshold for VFs
bnx2x: Check for UNDI in uncommon branch
bnx2x: Fix 1G-baseT link
bnx2x: Fix link for KR with swapped polarity lane
sctp: Fix sk_ack_backlog wrap-around problem
net/core: Add VF link state control policy
net/fsl: xgmac_mdio is dependent on OF_MDIO
net/fsl: Make xgmac_mdio read error message useful
net_sched: drr: warn when qdisc is not work conserving
...
Pull drm updates from Dave Airlie:
"This is the main drm merge window pull request, changes all over the
place, mostly normal levels of churn.
Highlights:
Core drm:
More cleanups, fix race on connector/encoder naming, docs updates,
object locking rework in prep for atomic modeset
i915:
mipi DSI support, valleyview power fixes, cursor size fixes,
execlist refactoring, vblank improvements, userptr support, OOM
handling improvements
radeon:
GPUVM tuning and large page size support, gart fixes, deep color
HDMI support, HDMI audio cleanups
nouveau:
- displayport rework should fix lots of issues
- initial gk20a support
- gk110b support
- gk208 fixes
exynos:
probe order fixes, HDMI changes, IPP consolidation
msm:
debugfs updates, misc fixes
ast:
ast2400 support, sync with UMS driver
tegra:
cleanups, hdmi + hw cursor for Tegra 124.
panel:
fixes existing panels add some new ones.
ipuv3:
moved from staging to drivers/gpu"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 commits)
drm/nouveau/disp/dp: fix tmds passthrough on dp connector
drm/nouveau/dp: probe dpcd to determine connectedness
drm/nv50-: trigger update after all connectors disabled
drm/nv50-: prepare for attaching a SOR to multiple heads
drm/gf119-/disp: fix debug output on update failure
drm/nouveau/disp/dp: make use of postcursor when its available
drm/g94-/disp/dp: take max pullup value across all lanes
drm/nouveau/bios/dp: parse lane postcursor data
drm/nouveau/dp: fix support for dpms
drm/nouveau: register a drm_dp_aux channel for each dp connector
drm/g94-/disp: add method to power-off dp lanes
drm/nouveau/disp/dp: maintain link in response to hpd signal
drm/g94-/disp: bash and wait for something after changing lane power regs
drm/nouveau/disp/dp: split link config/power into two steps
drm/nv50/disp: train PIOR-attached DP from second supervisor
drm/nouveau/disp/dp: make use of existing output data for link training
drm/gf119/disp: start removing direct vbios parsing from supervisor
drm/nv50/disp: start removing direct vbios parsing from supervisor
drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal
drm/nouveau/disp/dp: create subclass for dp outputs
...
Matt aded this plane property before we had a table giving a summary of
the properties. Add it there.
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The majority of these changes are a slew of cleanups across the board.
A more noteworthy change is the addition of drm_dev_set_unique() and the
conversion of the Tegra DRM driver to use it. This allows us to get rid
of the host1x drm_bus implementation. Other USB and platform drivers can
be changed in a similar way. Unfortunately for most PCI devices there is
some userspace that relies on the old functionality and cannot be as
easily converted.
HDMI and hardware cursor support is added for Tegra124. The SOR output
gains support for exposing CRCs via debugfs, which can be used for
automated testing. Many values that were hardcoded in the SOR/eDP code
are now computed at runtime to increase compatibility with more devices.
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Merge tag 'drm/tegra/for-3.16-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v3.16-rc1
The majority of these changes are a slew of cleanups across the board.
A more noteworthy change is the addition of drm_dev_set_unique() and the
conversion of the Tegra DRM driver to use it. This allows us to get rid
of the host1x drm_bus implementation. Other USB and platform drivers can
be changed in a similar way. Unfortunately for most PCI devices there is
some userspace that relies on the old functionality and cannot be as
easily converted.
HDMI and hardware cursor support is added for Tegra124. The SOR output
gains support for exposing CRCs via debugfs, which can be used for
automated testing. Many values that were hardcoded in the SOR/eDP code
are now computed at runtime to increase compatibility with more devices.
* tag 'drm/tegra/for-3.16-rc1' of git://anongit.freedesktop.org/tegra/linux: (47 commits)
drm/tegra: sor - Remove obsolete comment
drm/tegra: sor - Enable only the necessary number of lanes
drm/tegra: sor - Power on only the necessary lanes
drm/tegra: sor - Do not program interlaced mode registers
drm/tegra: sor - Do not hardcode link speed
drm/tegra: sor - Do not hardcode number of blank symbols
drm/tegra: sor - Don't hardcode link parameters
drm/tegra: sor - Change power down ordering
drm/tegra: sor - Fix copy/paste error
drm/tegra: sor - Remove pixel clock rounding
drm/tegra: sor - Make debugfs setup consistent
drm/tegra: sor - Recursively remove debugfs tree
drm/tegra: dp - Mark the connector as hotplug capable
drm/tegra: dp - Implement hotplug detection in work queue
drm/tegra: Add hardware cursor support
drm/tegra: Remove host1x drm_bus implementation
drm: Document how to register devices without struct drm_bus
drm: Add device registration documentation
drm: Introduce drm_dev_set_unique()
gpu: host1x: Rename internal functions for clarity
...
With the recent addition of the drm_set_unique() function, devices can
now be registered without requiring a drm_bus. Add a brief description
to the DRM docbook to show how that can be achieved.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Describe how devices are registered using the drm_*_init() functions.
Adding this to docbook requires a largish set of changes to the comments
in drm_{pci,usb,platform}.c since they are doxygen-style rather than
proper kernel-doc and therefore mess with the docbook generation.
While at it, mark usage of drm_put_dev() as discouraged in favour of
calling drm_dev_unregister() and drm_dev_unref() directly.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Merge drm-fixes into drm-next.
Both i915 and radeon need this done for later patches.
Conflicts:
drivers/gpu/drm/drm_crtc_helper.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/i915_gem_gtt.c
For atomic, it will be quite necessary to not need to care so much
about locking order. And 'state' gives us a convenient place to stash a
ww_ctx for any sort of update that needs to grab multiple crtc locks.
Because we will want to eventually make locking even more fine grained
(giving locks to planes, connectors, etc), split out drm_modeset_lock
and drm_modeset_acquire_ctx to track acquired locks.
Atomic will use this to keep track of which locks have been acquired
in a transaction.
v1: original
v2: remove a few things not needed until atomic, for now
v3: update for v3 of connection_mutex patch..
v4: squash in docbook
v5: doc tweaks/fixes
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Pull media updates from Mauro Carvalho Chehab:
"This contains:
- a new frontend/tuner driver set for si2168 and sa2157
- Videobuf 2 core now supports DVB too
- A new gspca sub-driver (dtcs033)
- saa7134 is now converted to use videobuf2
- add support for 4K timings
- several other driver fixes and improvements
PS. This pull request is shorter than usual, partly because I have
some other patches on topic branches that I'll be sending you later
this week"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (286 commits)
[media] au0828-dvb: restore its permission to 644
[media] xc5000: delay tuner sleep to 5 seconds
[media] xc5000: Don't use whitespace before tabs
[media] xc5000: fix CamelCase
[media] xc5000: Don't wrap msleep()
[media] xc5000: get rid of positive error codes
[media] au0828: reset streaming when a new frequency is set
[media] au0828: Improve debug messages for urb_completion
[media] au0828: Cancel stream-restart operation if frontend is disconnected
[media] dib0700: fix RC support on Hauppauge Nova-TD
[media] USB: as102_usb_drv.c: Remove useless return variables
[media] v4l: Fix documentation of V4L2_PIX_FMT_H264_MVC and VP8 pixel formats
[media] m5mols: Replace missing header
[media] staging: lirc: Fix sparse warnings
[media] fix mceusb endpoint type identification/handling
[media] az6027: Added the PID for a new revision of the Elgato EyeTV Sat DVB-S Tuner
[media] DocBook media: fix typo
[media] adv7604: Add missing include to linux/types.h
[media] v4l: Validate fields in the core code for subdev EDID ioctls
[media] v4l: Add support for DV timings ioctls on subdev nodes
...
Conflicts:
include/net/inetpeer.h
net/ipv6/output_core.c
Changes in net were fixing bugs in code removed in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Here is the big USB driver pull request for 3.16-rc1.
Nothing huge here, but lots of little things in the USB core, and in
lots of drivers. Hopefully the USB power management will be work better
now that it has been reworked to do per-port power control dynamically.
There's also a raft of gadget driver updates and fixes, CONFIG_USB_DEBUG
is finally gone now that everything has been converted over to the
dynamic debug inteface, the last hold-out drivers were cleaned up and
the config option removed. There were also other minor things all
through the drivers/usb/ tree, the shortlog shows this pretty well.
All have been in linux-next, including the very last patch, which came
from linux-next to fix a build issue on some platforms.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb into next
Pull USB driver updates from Greg KH:
"Here is the big USB driver pull request for 3.16-rc1.
Nothing huge here, but lots of little things in the USB core, and in
lots of drivers. Hopefully the USB power management will be work
better now that it has been reworked to do per-port power control
dynamically. There's also a raft of gadget driver updates and fixes,
CONFIG_USB_DEBUG is finally gone now that everything has been
converted over to the dynamic debug inteface, the last hold-out
drivers were cleaned up and the config option removed. There were
also other minor things all through the drivers/usb/ tree, the
shortlog shows this pretty well.
All have been in linux-next, including the very last patch, which came
from linux-next to fix a build issue on some platforms"
* tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (314 commits)
usb: hub_handle_remote_wakeup() only exists for CONFIG_PM=y
USB: orinoco_usb: remove CONFIG_USB_DEBUG support
USB: media: lirc: igorplugusb: remove CONFIG_USB_DEBUG support
USB: media: streamzap: remove CONFIG_USB_DEBUG
USB: media: redrat3: remove CONFIG_USB_DEBUG usage
USB: media: redrat3: remove unneeded tracing macro
usb: qcserial: add additional Sierra Wireless QMI devices
usb: host: max3421-hcd: Use module_spi_driver
usb: host: max3421-hcd: Allow platform-data to specify Vbus polarity
usb: host: max3421-hcd: fix "spi_rd8" uses dynamic stack allocation warning
usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue()
usb: qcserial: add Netgear AirCard 341U
Documentation: dt-bindings: update xhci-platform DT binding for R-Car H2 and M2
usb: host: xhci-plat: add xhci_plat_start()
usb: host: max3421-hcd: Fix potential NULL urb dereference
Revert "usb: gadget: net2280: Add support for PLX USB338X"
USB: usbip: remove CONFIG_USB_DEBUG reference
USB: remove CONFIG_USB_DEBUG from defconfig files
usb: resume child device when port is powered on
usb: hub_handle_remote_wakeup() depends on CONFIG_PM_RUNTIME=y
...
Pull block core updates from Jens Axboe:
"It's a big(ish) round this time, lots of development effort has gone
into blk-mq in the last 3 months. Generally we're heading to where
3.16 will be a feature complete and performant blk-mq. scsi-mq is
progressing nicely and will hopefully be in 3.17. A nvme port is in
progress, and the Micron pci-e flash driver, mtip32xx, is converted
and will be sent in with the driver pull request for 3.16.
This pull request contains:
- Lots of prep and support patches for scsi-mq have been integrated.
All from Christoph.
- API and code cleanups for blk-mq from Christoph.
- Lots of good corner case and error handling cleanup fixes for
blk-mq from Ming Lei.
- A flew of blk-mq updates from me:
* Provide strict mappings so that the driver can rely on the CPU
to queue mapping. This enables optimizations in the driver.
* Provided a bitmap tagging instead of percpu_ida, which never
really worked well for blk-mq. percpu_ida relies on the fact
that we have a lot more tags available than we really need, it
fails miserably for cases where we exhaust (or are close to
exhausting) the tag space.
* Provide sane support for shared tag maps, as utilized by scsi-mq
* Various fixes for IO timeouts.
* API cleanups, and lots of perf tweaks and optimizations.
- Remove 'buffer' from struct request. This is ancient code, from
when requests were always virtually mapped. Kill it, to reclaim
some space in struct request. From me.
- Remove 'magic' from blk_plug. Since we store these on the stack
and since we've never caught any actual bugs with this, lets just
get rid of it. From me.
- Only call part_in_flight() once for IO completion, as includes two
atomic reads. Hopefully we'll get a better implementation soon, as
the part IO stats are now one of the more expensive parts of doing
IO on blk-mq. From me.
- File migration of block code from {mm,fs}/ to block/. This
includes bio.c, bio-integrity.c, bounce.c, and ioprio.c. From me,
from a discussion on lkml.
That should describe the meat of the pull request. Also has various
little fixes and cleanups from Dave Jones, Shaohua Li, Duan Jiong,
Fengguang Wu, Fabian Frederick, Randy Dunlap, Robert Elliott, and Sam
Bradshaw"
* 'for-3.16/core' of git://git.kernel.dk/linux-block: (100 commits)
blk-mq: push IPI or local end_io decision to __blk_mq_complete_request()
blk-mq: remember to start timeout handler for direct queue
block: ensure that the timer is always added
blk-mq: blk_mq_unregister_hctx() can be static
blk-mq: make the sysfs mq/ layout reflect current mappings
blk-mq: blk_mq_tag_to_rq should handle flush request
block: remove dead code in scsi_ioctl:blk_verify_command
blk-mq: request initialization optimizations
block: add queue flag for disabling SG merging
block: remove 'magic' from struct blk_plug
blk-mq: remove alloc_hctx and free_hctx methods
blk-mq: add file comments and update copyright notices
blk-mq: remove blk_mq_alloc_request_pinned
blk-mq: do not use blk_mq_alloc_request_pinned in blk_mq_map_request
blk-mq: remove blk_mq_wait_for_tags
blk-mq: initialize request in __blk_mq_alloc_request
blk-mq: merge blk_mq_alloc_reserved_request into blk_mq_alloc_request
blk-mq: add helper to insert requests from irq context
blk-mq: remove stale comment for blk_mq_complete_request()
blk-mq: allow non-softirq completions
...
- prep refactoring for execlists (Oscar Mateo)
- corner-case fixes for runtime pm (Imre)
- tons of vblank improvements from Ville
- prep work for atomic plane/sprite updates (Ville)
- more chv code, now almost complete (tons of different people)
- refactoring and improvements for drm_irq.c merged through drm-intel-next
- g4x/ilk reset improvements (Ville)
- removal of encoder->mode_set
- moved audio state tracking into pipe_config
- shuffled fb pinning out of the platform crtc modeset callbacks into core code
- userptr support (Chris)
- OOM handling improvements from Chris, with now have a neat oom notifier which
jumps additional debug information.
- topdown allocation of ppgtt PDEs (Ben)
- fixes and small improvements all over
* tag 'drm-intel-next-2014-05-23' of git://anongit.freedesktop.org/drm-intel: (187 commits)
drm/i915: Kill private_default_ctx off
drm/i915: s/i915_hw_context/intel_context
drm/i915: Split the ringbuffers from the rings (3/3)
drm/i915: Split the ringbuffers from the rings (2/3)
drm/i915: Split the ringbuffers from the rings (1/3)
drm/i915: s/intel_ring_buffer/intel_engine_cs
drm/i915: disable GT power saving early during system suspend
drm/i915: fix possible RPM ref leaking during RPS disabling
drm/i915: remove user GTT mappings early during runtime suspend
drm/i915: Implement WaVcpClkGateDisableForMediaReset:ctg, elk
drm/i915: Fix gen2 and hsw+ scanline counter
drm/i915: Draw a picture about video timings
drm/i915: Improve gen3/4 frame counter
drm/i915: Add a small adjustment to the pixel counter on interlaced modes
drm/i915: Hold CRTC lock whilst freezing the planes
drm/i915: Only discard backing storage on releasing the last ref
drm/i915: Wait for pending page flips before enabling/disabling the primary plane
drm/i915: grab the audio power domain when enabling audio on HSW+
drm/i915: don't read HSW_AUD_PIN_ELD_CP_VLD when the power well is off
drm/i915: move bsd dispatch index somewhere better
...
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The 'Code' column in the documentation should provide the real fourcc
code that is used. Changed the documentation to provide the fourcc
defined in videodev2.h
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Linus Torvalds