Commit Graph

29295 Commits

Author SHA1 Message Date
Dave Airlie ab6eb211b0 drm/panel: Changes for v4.12-rc1
This contains two new drivers for a Sitronix and a Samsung panel as well
 as two new panels supported by the panel-simple driver.
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Merge tag 'drm/panel/for-4.12-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/panel: Changes for v4.12-rc1

This contains two new drivers for a Sitronix and a Samsung panel as well
as two new panels supported by the panel-simple driver.

* tag 'drm/panel/for-4.12-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/panel: simple: Add support for Winstar WF35LTIACD
  devicetree: add vendor prefix for Winstar Display Corp.
  drm/panel: Add driver for sitronix ST7789V LCD controller
  dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel
  drm/panel: Add support for S6E3HA2 panel driver on TM2 board
  dt-bindings: Add support for Samsung s6e3ha2 panel binding
  drm/panel: simple: Add support for Ampire AM-480272H3TMQW-T01H
  dt-bindings: Add Ampire AM-480272H3TMQW-T01H panel
2017-04-13 06:17:40 +10:00
Dave Airlie df45eaca51 Merge tag 'drm-misc-next-2017-04-07' of git://anongit.freedesktop.org/git/drm-misc into drm-next
Last drm-misc-next pull req for 4.12

Core changes:
 - fb_helper checkpatch cleanup and simplified _add_one_connector() (Thierry)
 - drm_ioctl and drm_sysfs improved/gained documentation (Daniel)
 - [ABI] Repurpose reserved field in drm_event_vblank for crtc_id (Ander)
 - Plumb acquire ctx through legacy paths to avoid lock_all and legacy_backoff
   (Daniel)
 - Add connector_atomic_check to check conn constraints on modeset (Maarten)
 - Add drm_of_find_panel_or_bridge to remove boilerplate in drivers (Rob)

Driver changes:
 - meson moved to drm-misc (Neil)
 - Added support for Amlogic GX SoCs in dw-hdmi (Neil)
 - Rockchip unbind actually cleans up the things bind initializes (Jeffy)
 - A couple misc fixes in virtio, dw-hdmi

NOTE: this also includes a backmerge of drm-next as well rc5 (we needed vmwgfx
      as well as the new synopsys media formats)

* tag 'drm-misc-next-2017-04-07' of git://anongit.freedesktop.org/git/drm-misc: (77 commits)
  Revert "drm: Don't allow interruptions when opening debugfs/crc"
  drm: Only take cursor locks when the cursor plane exists
  drm/vmwgfx: Fix fbdev emulation using legacy functions
  drm/rockchip: Shutdown all crtcs when unbinding drm
  drm/rockchip: Reorder drm bind/unbind sequence
  drm/rockchip: analogix_dp: Disable clock when unbinding
  drm/rockchip: vop: Unprepare clocks when unbinding
  drm/rockchip: vop: Enable pm domain before vop_initial
  drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding
  drm/rockchip: cdn-dp: Don't try to release firmware when not loaded
  drm: bridge: analogix: Destroy connector & encoder when unbinding
  drm: bridge: analogix: Disable clock when unbinding
  drm: bridge: analogix: Unregister dp aux when unbinding
  drm: bridge: analogix: Detach panel when unbinding analogix dp
  drm: Don't allow interruptions when opening debugfs/crc
  drm/virtio: don't leak bo on drm_gem_object_init failure
  drm: bridge: dw-hdmi: fix input format/encoding from plat_data
  drm: omap: use common OF graph helpers
  drm: convert drivers to use drm_of_find_panel_or_bridge
  drm: convert drivers to use of_graph_get_remote_node
  ...
2017-04-11 07:41:10 +10:00
Dave Airlie b769fefb68 Linux 4.11-rc6
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Backmerge tag 'v4.11-rc6' into drm-next

Linux 4.11-rc6

drm-misc needs 4.11-rc5, may as well fix conflicts with rc6.
2017-04-11 07:40:42 +10:00
Linus Torvalds 5b50be743f Driver core fixes for 4.11-rc6
Here are 3 small fixes for 4.11-rc6.  One resolves a reported issue with
 sysfs files that NeilBrown found, one is a documenatation fix for the
 stable kernel rules, and the last is a small MAINTAINERS file update for
 kernfs.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are 3 small fixes for 4.11-rc6.

  One resolves a reported issue with sysfs files that NeilBrown found,
  one is a documenatation fix for the stable kernel rules, and the last
  is a small MAINTAINERS file update for kernfs"

* tag 'driver-core-4.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  MAINTAINERS: separate out kernfs maintainership
  sysfs: be careful of error returns from ops->show()
  Documentation: stable-kernel-rules: fix stable-tag format
2017-04-09 09:03:51 -07:00
Linus Torvalds 2a610b8aa8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS fixes from Al Viro:
 "statx followup fixes and a fix for stack-smashing on alpha"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  alpha: fix stack smashing in old_adjtimex(2)
  statx: Include a mask for stx_attributes in struct statx
  statx: Reserve the top bit of the mask for future struct expansion
  xfs: report crtime and attribute flags to statx
  ext4: Add statx support
  statx: optimize copy of struct statx to userspace
  statx: remove incorrect part of vfs_statx() comment
  statx: reject unknown flags when using NULL path
  Documentation/filesystems: fix documentation for ->getattr()
2017-04-09 08:26:21 -07:00
Linus Torvalds c3df1c7c36 Late pin control fix for v4.11:
An issue was detected with pin control hos on the Freescale i.MX after
 the refactorings for more general group and function handling. We now
 have the proper fix for this.
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Merge tag 'pinctrl-v4.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fix from Linus Walleij:
 "This late fix for pin control is hopefully the last I send this cycle.

  The problem was detected early in the v4.11 release cycle and there
  has been some back and forth on how to solve it. Sadly the proper fix
  arrives late, but at least not too late.

  An issue was detected with pin control on the Freescale i.MX after the
  refactorings for more general group and function handling.

  We now have the proper fix for this"

* tag 'pinctrl-v4.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: core: Fix pinctrl_register_and_init() with pinctrl_enable()
2017-04-08 11:43:38 -07:00
Johan Hovold cf903e9d3a Documentation: stable-kernel-rules: fix stable-tag format
A patch documenting how to specify which kernels a particular fix should
be backported to (seemingly) inadvertently added a minus sign after the
kernel version. This particular stable-tag format had never been used
prior to this patch, and was neither present when the patch in question
was first submitted (it was added in v2 without any comment).

Drop the minus sign to avoid any confusion.

Fixes: fdc81b7910 ("stable_kernel_rules: Add clause about specification of kernel versions to patch.")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-08 17:33:31 +02:00
yt.shen@mediatek.com e3215713f8 dt-bindings: display: mediatek: update supported chips
Add decriptions about supported chips, including MT2701 & MT8173

Signed-off-by: YT Shen <yt.shen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-04-08 00:02:11 +08:00
Tony Lindgren 6118714275 pinctrl: core: Fix pinctrl_register_and_init() with pinctrl_enable()
Recent pinctrl changes to allow dynamic allocation of pins exposed one
more issue with the pinctrl pins claimed early by the controller itself.
This caused a regression for IMX6 pinctrl hogs.

Before enabling the pin controller driver we need to wait until it has
been properly initialized, then claim the hogs, and only then enable it.

To fix the regression, split the code into pinctrl_claim_hogs() and
pinctrl_enable(). And then let's require that pinctrl_enable() is always
called by the pin controller driver when ready after calling
pinctrl_register_and_init().

Depends-on: 950b0d91dc ("pinctrl: core: Fix regression caused by delayed
work for hogs")
Fixes: df61b366af26 ("pinctrl: core: Use delayed work for hogs")
Fixes: e566fc11ea ("pinctrl: imx: use generic pinctrl helpers for
managing groups")
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Mika Penttilä <mika.penttila@nextfour.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Stefan Agner <stefan@agner.ch>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Gary Bisson <gary.bisson@boundarydevices.com>
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-04-07 01:08:08 +02:00
Richard Genoud e4bac408b0 drm/panel: simple: Add support for Winstar WF35LTIACD
This adds support for the Winstar Display Co. WF35LTIACD 3.5" QVGA TFT
LCD panel, which can be supported by the simple panel driver.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-06 23:58:42 +02:00
Richard Genoud 667eb7033d devicetree: add vendor prefix for Winstar Display Corp.
Winstar Display Corp. is specialized in LCD displays for embedded
products.
cf: http://www.winstar.com.tw

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-06 23:57:16 +02:00
Maxime Ripard 63c32f7cd4 dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel
The Sitronix ST7789V is an LCD panel controller, controlled over SPI, that
can drive 18-bits 240x320 LCD displays.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-06 23:50:24 +02:00
Hoegeun Kwon fae50924f9 dt-bindings: Add support for Samsung s6e3ha2 panel binding
The Samsung s6e3ha2 is a 5.7" 1440x2560 AMOLED panel connected using
MIPI-DSI interfaces.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-06 23:30:55 +02:00
Yannick Fertre 2db496753e dt-bindings: Add Ampire AM-480272H3TMQW-T01H panel
This patch adds documentation of device tree bindings for the WVGA panel
Ampire AM-480272H3TMQW-T01H.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-06 23:22:33 +02:00
Radim Krčmář 6fd6410311 KVM/ARM Fixes for v4.11-rc6
Fixes include:
  - Fix a problem with GICv3 userspace save/restore
  - Clarify GICv2 userspace save/restore ABI
  - Be more careful in clearing GIC LRs
  - Add missing synchronization primitive to our MMU handling code
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Merge tag 'kvm-arm-for-v4.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm

From: Christoffer Dall <cdall@linaro.org>

KVM/ARM Fixes for v4.11-rc6

Fixes include:
 - Fix a problem with GICv3 userspace save/restore
 - Clarify GICv2 userspace save/restore ABI
 - Be more careful in clearing GIC LRs
 - Add missing synchronization primitive to our MMU handling code
2017-04-05 16:27:47 +02:00
Daniel Vetter 2640981f36 drm: document drm_ioctl.[hc]
Also unify/merge with the existing stuff.

I was a bit torn where to put this, but in the end I decided to put
all the ioctl/sysfs/debugfs stuff into drm-uapi.rst. That means we
have a bit a split with the other uapi related stuff used internally,
like drm_file.[hc], but I think overall this makes more sense.

If it's too confusing we can always add more cross-links to make it
more discoverable. But the auto-sprinkling of links kernel-doc already
does seems sufficient.

Also for prettier docs and more cross-links, switch the internal
defines over to an enum, as usual.

v2: Update kerneldoc fro drm_compat_ioctl too (caught by 0day), plus a
bit more drive-by polish.

v3: Fix typo, spotted by xerpi on irc (Sergi).

v4: Add missing space in comment (Neil).

Cc: Sergi Granell <xerpi.g.12@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-4-daniel.vetter@ffwll.ch
2017-04-04 20:47:54 +02:00
Daniel Vetter e22717046a drm: Consolidate and document sysfs support
- remove docs for internal func, doesn't add value
- add short overview snippet instead explaining that drivers don't
  have to bother themselves with reg/unreg concerns
- drop the ttm comment about drmP.h, drmP.h is disappearing ...

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-2-daniel.vetter@ffwll.ch
2017-04-04 20:47:54 +02:00
Daniel Vetter 085c6c09c5 drm: update todo.rst
Just drive-by, but we have gsoc running so better to update it now.

Great news is that two entries can be removed because essentially all
done.

v2: Keep a bunch of the todos, Gabriel is working on them.

Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404095304.17599-1-daniel.vetter@ffwll.ch
2017-04-04 20:47:54 +02:00
John Keeping cc85dcde42 dt-bindings: display: rk3288-mipi-dsi: add reset property
This reset is required in order to fully reset the internal state of the
MIPI controller.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170303113945.3bd2cbd9.john@metanate.com
2017-04-04 14:26:27 -04:00
Neil Armstrong 3650c25ad0 drm/meson: Add RST to bring together kerneldoc
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2017-04-04 17:49:31 +02:00
Neil Armstrong 8cceda5349 dt-bindings: Add bindings for the Amlogic Meson dw-hdmi extension
This binding describes the Amlogic Meson specific extension to the
Synopsys Designware HDMI Controller.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2017-04-04 17:49:31 +02:00
Neil Armstrong e624f516d9 drm: bridge: dw-hdmi: Add Documentation on supported input formats
This patch adds a new DRM documentation entry and links to the input
format table added in the dw_hdmi header.

Reviewed-by: Archit Taneja <architt@codeaurora.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2017-04-04 17:48:21 +02:00
Sean Paul 9eb8902e27 Merge tag 'topic/synopsys-media-formats-2017-04-03' of git://anongit.freedesktop.org/git/drm-misc into drm-misc-next
Media formats for synopsys HDMI  TX Controller

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403163544.kcw5kk52tgku5xua@art_vandelay
2017-04-04 11:34:31 -04:00
Laurent Pinchart 907c1bbd51 dt-bindings: display: renesas: Add R-Car Gen3 HDMI TX DT bindings
The Renesas R-Car Gen3 SoCs use a Synopsys DWC HDMI TX encoder IP. Add
corresponding device tree bindings based on the DWC HDMI TX bindings
model.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-04-04 17:04:10 +03:00
Laurent Pinchart 06711e6385 drm: rcar-du: Document the vsps property in the DT bindings
The property is used by the driver but is missing from the DT bindings.
Document it.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2017-04-04 17:03:54 +03:00
Laurent Pinchart 0b5a3042b7 devicetree/bindings: display: Add bindings for two Mitsubishi panels
The AA104XD12 and AA121TD01 are LVDS display panels. Their bindings are
modelled on the the LVDS panel bindings.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-04-04 17:03:28 +03:00
Laurent Pinchart 4c8ccbc42c devicetree/bindings: display: Add bindings for LVDS panels
LVDS is a physical layer specification defined in ANSI/TIA/EIA-644-A.
Multiple incompatible data link layers have been used over time to
transmit image data to LVDS panels. This binding supports display panels
compatible with the JEIDA-59-1999, Open-LDI and VESA SWPG
specifications.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-04-04 17:03:26 +03:00
Laurent Pinchart 14da3ed8dd devicetree/bindings: display: Document common panel properties
Document properties common to several display panels in a central
location that can be referenced by the panel device tree bindings.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-04-04 17:03:23 +03:00
Christoffer Dall 6d56111c92 KVM: arm/arm64: vgic: Fix GICC_PMR uaccess on GICv3 and clarify ABI
As an oversight, for GICv2, we accidentally export the GICC_PMR register
in the format of the GICH_VMCR.VMPriMask field in the lower 5 bits of a
word, meaning that userspace must always use the lower 5 bits to
communicate with the KVM device and must shift the value left by 3
places to obtain the actual priority mask level.

Since GICv3 supports the full 8 bits of priority masking in the ICH_VMCR,
we have to fix the value we export when emulating a GICv2 on top of a
hardware GICv3 and exporting the emulated GICv2 state to userspace.

Take the chance to clarify this aspect of the ABI.

Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
2017-04-04 14:33:59 +02:00
Neil Armstrong 3c2507d308 documentation: media: Add documentation for new RGB and YUV bus formats
Add documentation for added Bus Formats to describe RGB and YUV formats used
as input to the Synopsys DesignWare HDMI TX Controller.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1491230558-10804-4-git-send-email-narmstrong@baylibre.com
2017-04-03 11:51:40 -04:00
Peter Ujfalusi 39135a305a drm/omap: displays: panel-dpi: Support for handling backlight devices
The associated backlight device can be configured via DT by providing the
phandle to the device.

If the backlight device is configured, the driver can manage the backligt
along with the panel's power state, iow it can turn on the backlight when
the panel is enabled and turn it off when the panel is disabled.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2017-04-03 12:36:40 +03:00
Dave Airlie 320d8c3d38 Merge tag 'drm-misc-next-2017-03-31' of git://anongit.freedesktop.org/git/drm-misc into drm-next
drm-misc for 4.12:

Core:
- Removed some fb subsampling dimension checks from core (Ville)
- Some MST slot cleanup (Dhinakaran)
- Extracted drm_debugfs.h & drm_ioctl.h from drmP.h (Daniel)
- Added drm_atomic_helper_shutdown() to compliment suspend/resume counterparts
  (Daniel)
- Pipe context through legacy modeset to remove legacy_backoff nasties (Daniel)
- Cleanups around vblank as well as allowing lockless counter reads (Chris W.)
- VGA Switcheroo added to MAINTAINERS with Lukas Wunner as reviewer (Lukas)

Drivers:
- Enhancements to rockchip driver probe (Jeffy) and dsi (Chris Z.)
- Thunderbolt external GPU awareness added (Lukas)

* tag 'drm-misc-next-2017-03-31' of git://anongit.freedesktop.org/git/drm-misc: (63 commits)
  apple-gmux: Don't switch external DP port on 2011+ MacBook Pros
  drm/nouveau: Don't register Thunderbolt eGPU with vga_switcheroo
  drm/amdgpu: Don't register Thunderbolt eGPU with vga_switcheroo
  drm/radeon: Don't register Thunderbolt eGPU with vga_switcheroo
  PCI: Recognize Thunderbolt devices
  MAINTAINERS: Add Lukas Wunner as reviewer for vga_switcheroo
  drm: Fix locking gotcha in page_flip ioctl
  drm: Clarify the role of plane_state argument to drm_simple update().
  drm: Clear e after kfree in drm_mode_page_flip_ioctl
  drm: Convert cmpxchg(bool) back to a two step operation
  drm/bridge: ti-tfp410: support hpd via gpio
  drm: use .hword to represent 16-bit numbers
  Revert unrelated part of "drm: simplify the locking in the GETCRTC ioctl"
  drm: Fixup failure paths in drm_atomic_helper_set_config
  drm: Peek at the current counter/timestamp for vblank queries
  drm: Refactor vblank sequence number comparison
  drm: vblank cannot be enabled if dev->irq_enabled is false
  drm: Mark up accesses of vblank->enabled outside of its spinlock
  drm: Make the decision to keep vblank irq enabled earlier
  drm/atomic-helper: Remove the backoff hack from set_config
  ...
2017-04-03 16:30:24 +10:00
Eric Biggers 75dd7e4bb6 Documentation/filesystems: fix documentation for ->getattr()
Following the recent merge of statx, correct the documented prototype
for the ->getattr() inode operation, and add an entry to the porting
file.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-04-03 01:05:56 -04:00
Linus Torvalds 978e0f92cd Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
 "11 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  kasan: do not sanitize kexec purgatory
  drivers/rapidio/devices/tsi721.c: make module parameter variable name unique
  mm/hugetlb.c: don't call region_abort if region_chg fails
  kasan: report only the first error by default
  hugetlbfs: initialize shared policy as part of inode allocation
  mm: fix section name for .data..ro_after_init
  mm, hugetlb: use pte_present() instead of pmd_present() in follow_huge_pmd()
  mm: workingset: fix premature shadow node shrinking with cgroups
  mm: rmap: fix huge file mmap accounting in the memcg stats
  mm: move mm_percpu_wq initialization earlier
  mm: migrate: fix remove_migration_pte() for ksm pages
2017-04-01 19:45:05 -07:00
Mark Rutland b0845ce583 kasan: report only the first error by default
Disable kasan after the first report.  There are several reasons for
this:

 - Single bug quite often has multiple invalid memory accesses causing
   storm in the dmesg.

 - Write OOB access might corrupt metadata so the next report will print
   bogus alloc/free stacktraces.

 - Reports after the first easily could be not bugs by itself but just
   side effects of the first one.

Given that multiple reports usually only do harm, it makes sense to
disable kasan after the first one.  If user wants to see all the
reports, the boot-time parameter kasan_multi_shot must be used.

[aryabinin@virtuozzo.com: wrote changelog and doc, added missing include]
Link: http://lkml.kernel.org/r/20170323154416.30257-1-aryabinin@virtuozzo.com
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-31 17:13:30 -07:00
Linus Torvalds 035f0cd3f8 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes the following issues:

   - memory corruption when kmalloc fails in xts/lrw

   - mark some CCP DMA channels as private

   - fix reordering race in padata

   - regression in omap-rng DT description"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: xts,lrw - fix out-of-bounds write after kmalloc failure
  crypto: ccp - Make some CCP DMA channels private
  padata: avoid race in reordering
  dt-bindings: rng: clocks property on omap_rng not always mandatory
2017-03-31 12:11:32 -07:00
Javi Merino bd283d2f66 drm: use .hword to represent 16-bit numbers
The size of .word is the size of a word in the given platform, which
for intel systems is 16-bits but other architectures use different
sizes.  However, .hword emits 16-bit numbers regardless of the
platform (and despite the name).  The quantities specified in EDID are
platform independent, so they should work in spite of the default
target of the cc you are using, so use .hword where EDID specifies
16-bit numbers.

Cc: Carsten Emde <C.Emde@osadl.org>
Cc: David Airlie <airlied@linux.ie>
Acked-by: David Airlie <airlied@linux.ie>
Signed-off-by: Javi Merino <javi.merino@kernel.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1490795123-16851-1-git-send-email-javi.merino@kernel.org
2017-03-30 10:15:19 +02:00
Daniel Vetter 75b94cd96f drm/doc: remove standard connector props from the csv file
They're properly documented in drm_connector.c now, and this
csv file is a horrible mess. Better to remove it.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170328155349.5972-1-daniel.vetter@ffwll.ch
2017-03-29 08:33:25 +02:00
Linus Torvalds 050fc52d83 All x86-specific, apart from some arch-independent syzkaller fixes.
v1->v2: added one more Reviewed-by
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "All x86-specific, apart from some arch-independent syzkaller fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: cleanup the page tracking SRCU instance
  KVM: nVMX: fix nested EPT detection
  KVM: pci-assign: do not map smm memory slot pages in vt-d page tables
  KVM: kvm_io_bus_unregister_dev() should never fail
  KVM: VMX: Fix enable VPID conditions
  KVM: nVMX: Fix nested VPID vmx exec control
  KVM: x86: correct async page present tracepoint
  kvm: vmx: Flush TLB when the APIC-access address changes
  KVM: x86: use pic/ioapic destructor when destroy vm
  KVM: x86: check existance before destroy
  KVM: x86: clear bus pointer when destroyed
  KVM: Documentation: document MCE ioctls
  KVM: nVMX: don't reset kvm mmu twice
  PTP: fix ptr_ret.cocci warnings
  kvm: fix usage of uninit spinlock in avic_vm_destroy()
  KVM: VMX: downgrade warning on unexpected exit code
2017-03-28 11:33:34 -07:00
Dave Airlie e5c1ff1475 Linux 4.11-rc4
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Backmerge tag 'v4.11-rc4' into drm-next

Linux 4.11-rc4

The i915 GVT team need the rc4 code to base some more code on.
2017-03-28 17:34:19 +10:00
Linus Torvalds 0dc82fa59b Char/Misc driver fixes for 4.11-rc4
A smattering of different small fixes for some random driver subsystems.
 Nothing all that major, just resolutions for reported issues and bugs.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "A smattering of different small fixes for some random driver
  subsystems. Nothing all that major, just resolutions for reported
  issues and bugs.

  All have been in linux-next with no reported issues"

* tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  extcon: int3496: Set the id pin to direction-input if necessary
  extcon: int3496: Use gpiod_get instead of gpiod_get_index
  extcon: int3496: Add dependency on X86 as it's Intel specific
  extcon: int3496: Add GPIO ACPI mapping table
  extcon: int3496: Rename GPIO pins in accordance with binding
  vmw_vmci: handle the return value from pci_alloc_irq_vectors correctly
  ppdev: fix registering same device name
  parport: fix attempt to write duplicate procfiles
  auxdisplay: img-ascii-lcd: add missing sentinel entry in img_ascii_lcd_matches
  Drivers: hv: vmbus: Don't leak memory when a channel is rescinded
  Drivers: hv: vmbus: Don't leak channel ids
  Drivers: hv: util: don't forget to init host_ts.lock
  Drivers: hv: util: move waiting for release to hv_utils_transport itself
  vmbus: remove hv_event_tasklet_disable/enable
  vmbus: use rcu for per-cpu channel list
  mei: don't wait for os version message reply
  mei: fix deadlock on mei reset
  intel_th: pci: Add Gemini Lake support
  intel_th: pci: Add Denverton SOC support
  intel_th: Don't leak module refcount on failure to activate
  ...
2017-03-26 11:15:54 -07:00
Linus Torvalds e431e0e427 USB/PHY fixes for 4.11-rc4
Here are a number of small USB and PHY driver fixes for 4.11-rc4.
 Nothing major here, just an bunch of small fixes, and a handfull of good
 fixes from Johan for devices with crazy descriptors.  There are a few
 new device ids in here as well.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY fixes from Greg KH:
 "Here are a number of small USB and PHY driver fixes for 4.11-rc4.

  Nothing major here, just an bunch of small fixes, and a handfull of
  good fixes from Johan for devices with crazy descriptors. There are a
  few new device ids in here as well.

  All of these have been in linux-next with no reported issues"

* tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
  usb: gadget: f_hid: fix: Don't access hidg->req without spinlock held
  usb: gadget: udc: remove pointer dereference after free
  usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed
  usb: gadget: f_uvc: Fix SuperSpeed companion descriptor's wBytesPerInterval
  usb: gadget: acm: fix endianness in notifications
  usb: dwc3: gadget: delay unmap of bounced requests
  USB: serial: qcserial: add Dell DW5811e
  usb: hub: Fix crash after failure to read BOS descriptor
  ACM gadget: fix endianness in notifications
  USB: usbtmc: fix probe error path
  USB: usbtmc: add missing endpoint sanity check
  USB: serial: option: add Quectel UC15, UC20, EC21, and EC25 modems
  usb: musb: fix possible spinlock deadlock
  usb: musb: dsps: fix iounmap in error and exit paths
  usb: musb: cppi41: don't check early-TX-interrupt for Isoch transfer
  usb-core: Add LINEAR_FRAME_INTR_BINTERVAL USB quirk
  uwb: i1480-dfu: fix NULL-deref at probe
  uwb: hwa-rc: fix NULL-deref at probe
  USB: wusbcore: fix NULL-deref at probe
  USB: uss720: fix NULL-deref at probe
  ...
2017-03-26 10:52:52 -07:00
Linus Torvalds 42234bf832 powerpc fixes for 4.11 #6
- cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
  - powerpc/64s: Fix idle wakeup potential to clobber registers
  - Revert "powerpc/64: Disable use of radix under a hypervisor"
  - gcc-plugins: update architecture list in documentation
 
 Thanks to:
   Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav Jain.
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Merge tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc fixes from Michael Ellerman:
 "These are all pretty minor. The fix for idle wakeup would be a bad bug
  but has not been observed in practice.

  The update to the gcc-plugins docs was Cc'ed to Kees and Jon, Kees
  OK'ed it going via powerpc and I didn't hear from Jon.

   - cxl: Route eeh events to all slices for pci_channel_io_perm_failure state

   - powerpc/64s: Fix idle wakeup potential to clobber registers

   - Revert "powerpc/64: Disable use of radix under a hypervisor"

   - gcc-plugins: update architecture list in documentation

  Thanks to: Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav
  Jain"

* tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  gcc-plugins: update architecture list in documentation
  Revert "powerpc/64: Disable use of radix under a hypervisor"
  powerpc/64s: Fix idle wakeup potential to clobber registers
  cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
2017-03-26 10:34:10 -07:00
Daniel Vetter f217f554b2 drm/todo: Add tinydrm refactoring ideas
Discussed with Noralf on the list a bit.

An open question is tinydrm vs. drm_panel, but until we have a clear
idea what's really needed in that space, I think it's best to just
move forward with what we have.

Cc: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-10-daniel.vetter@ffwll.ch
2017-03-25 22:41:04 +01:00
Linus Torvalds 424b6898c8 A handful of Sunxi and Rockchip clk driver fixes and a core framework
one where we need to copy a string because we can't guarantee it isn't
 freed sometime later.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A handful of Sunxi and Rockchip clk driver fixes and a core framework
  one where we need to copy a string because we can't guarantee it isn't
  freed sometime later"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: sunxi-ng: fix recalc_rate formula of NKMP clocks
  clk: sunxi-ng: Fix div/mult settings for osc12M on A64
  clk: rockchip: Make uartpll a child of the gpll on rk3036
  clk: rockchip: add "," to mux_pll_src_apll_dpll_gpll_usb480m_p on rk3036
  clk: core: Copy connection id
  dt-bindings: arm: update Armada CP110 system controller binding
  clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock
  clk: sunxi: ccu-sun5i needs nkmp
  clk: sunxi-ng: mp: Adjust parent rate for pre-dividers
2017-03-25 10:34:56 -07:00
Linus Torvalds 9a31328f31 MMC core:
- Fix initialization of HS400-ES eMMC cards
  - A couple of fixes for the mmc block device driver
  - Resolved a compiler warning
 
 MMC host:
  - sdhci: Do not disable IRQs while waiting for clock
  - sdhci-pci: Do not disable IRQs in sdhci_intel_set_power
  - sdhci-of-arasan: Fix incorrect timeout clock
  - mediatek: Fix bug for setting wrong clock frequency
  - sdhci-of-at91: Use regulator to fix cmd timeout errors
  - ushc: Fix NULL-deref at probe
  - rockchip-dw-mshc: Rename RK1108 to RV1108 in DT
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Merge tag 'mmc-v4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull mmc fixes from Ulf Hansson:
 "Here are a couple of mmc fixes intended for v4.11 rc4.

  MMC core:
   - Fix initialization of HS400-ES eMMC cards
   - A couple of fixes for the mmc block device driver
   - Resolved a compiler warning

  MMC host:
   - sdhci: Do not disable IRQs while waiting for clock
   - sdhci-pci: Do not disable IRQs in sdhci_intel_set_power
   - sdhci-of-arasan: Fix incorrect timeout clock
   - mediatek: Fix bug for setting wrong clock frequency
   - sdhci-of-at91: Use regulator to fix cmd timeout errors
   - ushc: Fix NULL-deref at probe
   - rockchip-dw-mshc: Rename RK1108 to RV1108 in DT"

* tag 'mmc-v4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-pci: Do not disable interrupts in sdhci_intel_set_power
  mmc: sdhci: Do not disable interrupts while waiting for clock
  mmc: ushc: fix NULL-deref at probe
  mmc: sdhci-of-at91: Support external regulators
  mmc: core: mmc_blk_rw_cmd_err - remove unused variable
  mmc: mediatek: Fixed bug where clock frequency could be set wrong
  mmc: block: Fix cmd error reset failure path
  mmc: block: Fix is_waiting_last_req set incorrectly
  mmc: core: Fix access to HS400-ES devices
  mmc: sdhci-of-arasan: fix incorrect timeout clock
  dt-bindings: rockchip-dw-mshc: rename RK1108 to RV1108
2017-03-24 13:37:40 -07:00
Chris Zhong d3dffdc260 dt-bindings: add the grf clock for dw-mipi-dsi
For RK3399, the grf clock should be controlled by dw-mipi-dsi driver,
add the description for this clock.

Acked-by: Rob Herring <robh@kernel.org
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1490147691-4489-3-git-send-email-zyw@rock-chips.com
2017-03-24 14:48:58 -04:00
Thomas Petazzoni 74d1cf4897 dt-bindings: rng: clocks property on omap_rng not always mandatory
Commit 52060836f7 ("dt-bindings: omap-rng: Document SafeXcel IP-76
device variant") update the omap_rng Device Tree binding to add support
for the IP-76 variation of the IP. As part of this change, a "clocks"
property was added, but is indicated as "Required", without indicated
it's actually only required for some compatible strings.

This commit fixes that, by explicitly stating that the clocks property
is only required with the inside-secure,safexcel-eip76 compatible
string.

Fixes: 52060836f7 ("dt-bindings: omap-rng: Document SafeXcel IP-76 device variant")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 21:51:32 +08:00
Daniel Vetter 0cad7f71b5 drm/debugfs: Add kerneldoc
I've decided to not document drm_debugfs_remove_files, it's on the way
out.

The biggest part is a huge todo.rst entry with what all should be
improved.

v2: Nits from Gabriel.

Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322205401.24897-1-daniel.vetter@ffwll.ch
2017-03-24 09:36:06 +01:00
Daniel Vetter 760f71e72e drm: document driver interface for CRC capturing
This was missed in Tomeu's patch. Also remove the kerneldoc for the
internal function, we don't document that in general.

While at it word-smith the docs slightly for more clarity.

Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322083617.13361-4-daniel.vetter@ffwll.ch
2017-03-24 09:36:06 +01:00