Commit Graph

190 Commits

Author SHA1 Message Date
David Herrmann 915b4d11b8 drm: add driver->set_busid() callback
One step closer to dropping all the drm_bus_* code:
Add a driver->set_busid() callback and make all drivers use the generic
helpers. Nouveau is the only driver that uses two different bus-types with
the same drm_driver. This is totally broken if both buses are available on
the same machine (unlikely, but lets be safe). Therefore, we create two
different drivers for each platform during module_init() and set the
set_busid() callback respectively.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-09-10 17:43:04 +10:00
Rob Clark bf02d87fa4 drm/udl: use helpers
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-07-18 14:24:49 +10:00
Stéphane Marchesin 40377ef2d9 drm/udl: Implement page_flip ioctl
This is a very crude page_flip implementation for UDL. There are ways
to make it better (make it asynchronous, make it do actual vsynced
flips...) but that's for another patch.

[airlied: fixup primary change]

Signed-off-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-07-08 11:37:28 +10:00
Stéphane Marchesin 26507b065b drm/udl: add vblank support
This is needed to be able to send page flip completion events.
Also while I'm at it, fix the error paths on init.

Signed-off-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-07-08 11:33:05 +10:00
Thierry Reding 10a2310265 drm: Introduce drm_fb_helper_prepare()
To implement hotplug detection in a race-free manner, drivers must call
drm_kms_helper_poll_init() before hotplug events can be triggered. Such
events can be triggered right after any of the encoders or connectors
are initialized. At the same time, if the drm_fb_helper_hotplug_event()
helper is used by a driver, then the poll helper requires some parts of
the FB helper to be initialized to prevent a crash.

At the same time, drm_fb_helper_init() requires information that is not
necessarily available at such an early stage (number of CRTCs and
connectors), so it cannot be used yet.

Add a new helper, drm_fb_helper_prepare(), that initializes the bare
minimum needed to allow drm_kms_helper_poll_init() to execute and any
subsequent hotplug events to be processed properly.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-07-08 11:31:28 +10:00
Thierry Reding 3a4938799d drm: Constify struct drm_fb_helper_funcs
There's no need for this to be modifiable. Make it const so that it can
be put into the .rodata section.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-07-08 11:31:15 +10:00
Dave Airlie f71c5d9dd2 Merge branch 'drm-next' of git://people.freedesktop.org/~dvdhrm/linux into drm-next
* 'drm-next' of git://people.freedesktop.org/~dvdhrm/linux:
  drm/omap: remove null test before kfree
  drm/bochs: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN
  drm/ttm: recognize ARM arch in ioprot handler
  drm: enable render-nodes by default
  drm/ttm: remove declaration of ttm_tt_cache_flush
  drm/gem: remove misleading gfp parameter to get_pages()
  drm/omap: use __GFP_DMA32 for shmem-backed gem
  drm/i915: use shmem helpers if possible

Conflicts:
	drivers/gpu/drm/drm_stub.c
2014-07-08 11:08:31 +10:00
Dave Airlie afa95e7403 Merge tag 'topic/core-stuff-2014-06-30' of git://anongit.freedesktop.org/drm-intel into drm-next
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
2014-07-08 11:04:35 +10:00
David Herrmann 0cdbe8ac69 drm/gem: remove misleading gfp parameter to get_pages()
drm_gem_get_pages() currently allows passing a 'gfp' parameter that is
passed to shmem combined with mapping_gfp_mask(). Given that the default
mapping_gfp_mask() is GFP_HIGHUSER, it is _very_ unlikely that anyone will
ever make use of that parameter. In fact, all drivers currently pass
redundant flags or 0.

This patch removes the 'gfp' parameter. The only reason to keep it is to
remove flags like __GFP_WAIT. But in its current form, it can only be used
to add flags. So to remove __GFP_WAIT, you'd have to drop it from the
mapping_gfp_mask, which again is stupid as this mask is used by shmem-core
for other allocations, too.

If any driver ever requires that parameter, we can introduce a new helper
that takes the raw 'gfp' parameter. The caller'd be responsible to combine
it with mapping_gfp_mask() in a suitable way. The current
drm_gem_get_pages() helper would then simply use mapping_gfp_mask() and
call the new helper. This is what shmem_read_mapping_pages{_gfp,} does
right now.

Moreover, the gfp-zone flag-usage is not obvious: If you pass a modified
zone, shmem core will WARN() or even BUG(). In other words, the following
must be true for 'gfp' passed to shmem_read_mapping_pages_gfp():
    gfp_zone(mapping_gfp_mask(mapping)) == gfp_zone(gfp)
Add a comment to drm_gem_read_pages() explaining that constraint.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
2014-07-08 00:29:53 +02:00
Thomas Wood 34ea3d3863 drm: add register and unregister functions for connectors
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>
2014-06-19 08:55:28 +02:00
Linus Torvalds 682b7c1c8e Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
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
  ...
2014-06-12 11:32:30 -07:00
Oliver Neukum 737583f07e USB: udl: proper error reporting
Parsing device descriptors can fail due to a failed memory
allocation. The error needs to be properly propagated to the
upper layers.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-27 16:03:58 -07:00
Daniel Vetter e39a52da87 drm/udl: Initialize ret in udl_driver_load
We need to set it to -ENODEV when we don't recognize the device.
Otherwise we return/print stack garbage.

Spotted by coverity.

Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-04-22 15:39:37 +02:00
Dave Airlie 9f97ba806a Merge tag 'drm-intel-fixes-2014-04-04' of git://anongit.freedesktop.org/drm-intel into drm-next
Merge window -fixes pull request as usual. Well, I did sneak in Jani's
drm_i915_private_t typedef removal, need to have fun with a big sed job
too ;-)

Otherwise:
- hdmi interlaced fixes (Jesse&Ville)
- pipe error/underrun/crc tracking fixes, regression in late 3.14-rc (but
  not cc: stable since only really relevant for igt runs)
- large cursor wm fixes (Chris)
- fix gpu turbo boost/throttle again, was getting stuck due to vlv rps
  patches (Chris+Imre)
- fix runtime pm fallout (Paulo)
- bios framebuffer inherit fix (Chris)
- a few smaller things

* tag 'drm-intel-fixes-2014-04-04' of git://anongit.freedesktop.org/drm-intel: (196 commits)
  Skip intel_crt_init for Dell XPS 8700
  drm/i915: vlv: fix RPS interrupt mask setting
  Revert "drm/i915/vlv: fixup DDR freq detection per Punit spec"
  drm/i915: move power domain init earlier during system resume
  drm/i915: Fix the computation of required fb size for pipe
  drm/i915: don't get/put runtime PM at the debugfs forcewake file
  drm/i915: fix WARNs when reading DDI state while suspended
  drm/i915: don't read cursor registers on powered down pipes
  drm/i915: get runtime PM at i915_display_info
  drm/i915: don't read pp_ctrl_reg if we're suspended
  drm/i915: get runtime PM at i915_reg_read_ioctl
  drm/i915: don't schedule force_wake_timer at gen6_read
  drm/i915: vlv: reserve the GT power context only once during driver init
  drm/i915: prefer struct drm_i915_private to drm_i915_private_t
  drm/i915/overlay: prefer struct drm_i915_private to drm_i915_private_t
  drm/i915/ringbuffer: prefer struct drm_i915_private to drm_i915_private_t
  drm/i915/display: prefer struct drm_i915_private to drm_i915_private_t
  drm/i915/irq: prefer struct drm_i915_private to drm_i915_private_t
  drm/i915/gem: prefer struct drm_i915_private to drm_i915_private_t
  drm/i915/dma: prefer struct drm_i915_private to drm_i915_private_t
  ...
2014-04-05 16:14:21 +10:00
Matt Roper f4510a2752 drm: Replace crtc fb with primary plane fb (v3)
Now that CRTC's have a primary plane, there's no need to track the
framebuffer in the CRTC.  Replace all references to the CRTC fb with the
primary plane's fb.

This patch was generated by the Coccinelle semantic patching tool using
the following rules:

        @@ struct drm_crtc C; @@
        -   (C).fb
        +   C.primary->fb

        @@ struct drm_crtc *C; @@
        -   (C)->fb
        +   C->primary->fb

v3: Generate patch via coccinelle.  Actual removal of crtc->fb has been
    moved to a subsequent patch.

v2: Fixup several lingering crtc->fb instances that were missed in the
    first patch iteration.  [Rob Clark]

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-01 20:18:28 -04:00
Daniel Vetter 0654a65f26 Linux 3.14
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Merge tag 'v3.14' into drm-intel-next-queued

Linux 3.14

The vt-d w/a merged late in 3.14-rc needs a bit of fine-tuning, hence
backmerge.

Conflicts:
	drivers/gpu/drm/i915/i915_gem_gtt.c
	drivers/gpu/drm/i915/intel_ddi.c
	drivers/gpu/drm/i915/intel_dp.c

All trivial adjacent lines changed type conflicts, so trivial git
doesn't even show them in the merg commit.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-03-31 10:45:15 +02:00
Dave Airlie 347cf10aed drm/udl: take reference to device struct for dma-bufs
this stops the device from being deleted before all the dma-bufs
on it are freed, this fixes an oops when you unplug a udl device while
it has imported a buffer from another device.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-27 02:19:50 +00:00
David Herrmann 2b932d8ef0 drm/udl: fix Bpp calculation in dumb_create()
Probably a typo.. we obviously need "(bpp + 7) / 8" instead of
"(bpp + 1) / 8". Unlikely to be hit in any sane code, but lets be safe.
Use DIV_ROUND_UP() to avoid the problem entirely and make the core more
readable.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
2014-03-16 12:11:01 +01:00
David Herrmann 06c99161b6 drm/udl: fix error-path when damage-req fails
We need to call dma_buf_end_cpu_access() in case a damage-request.
Unlikely, but might happen during device unplug.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
2014-03-16 12:11:01 +01:00
Ville Syrjälä 73e9efd4bd drm: Push dirtyfb ioctl kms locking down to drivers
Not all drivers will need take all the modeset locks for dirtyfb, so
push the locking down to the drivers.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18 10:49:08 +10:00
Rob Clark 1d507b3af4 udl: fix issue with imported prime buffers
5dc9e1e8 was a bit over-ambitious, and accidentially removed handling
for imported prime buffers.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-05 09:23:38 +10:00
Daniel Vetter 92b6f89f6b drm: Add separate Kconfig option for fbdev helpers
For drivers which might want to disable fbdev legacy support.

Select the new option in all drivers for now, so this shouldn't result
in any change. Drivers need some work anyway to make fbdev support
optional (if they have it implemented, that is), so the recommended
way to expose this is by adding per-driver options. At least as long
as most drivers don't support disabling the fbdev support.

v2: Update for new drm drivers msm and rcar-du. Note that Rob's msm
driver can already take advantage of this, which allows us to build
msm without any fbdev depencies in the kernel!

v3: Move the MODULE_* stuff from the fbdev helper file to
drm_crtc_helper.c.

Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Acked-by: Dave Airlie <airlied@linux.ie>
Reviewed-by: Chon Ming Lee <chon.ming.lee@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-10-11 23:36:58 +02:00
David Herrmann 16eb5f4379 drm: kill ->gem_init_object() and friends
All drivers embed gem-objects into their own buffer objects. There is no
reason to keep drm_gem_object_alloc(), gem->driver_private and
->gem_init_object() anymore.

New drivers are highly encouraged to do the same. There is no benefit in
allocating gem-objects separately.

Cc: Dave Airlie <airlied@gmail.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Ben Skeggs <skeggsb@gmail.com>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-10-09 14:38:02 +10:00
Daniel Vetter d2aebe338a drm/udl: rip out set_need_resched
This very much looks like copypasta from drm/i915's fault handler.
It was used there to duct-tape over issues around gpu reset handling.

Since that can't ever happen for udl and there's seemingly no other
reason for this just drop it.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-09-16 08:35:04 +10:00
Rob Clark 5dc9e1e872 drm/udl: use gem get/put page helpers
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-19 10:36:12 +10:00
Daniel Vetter b0e898ac55 drm: remove FASYNC support
So I've stumbled over drm_fasync and wondered what it does. Digging
that up is quite a story.

First I've had to read up on what this does and ended up being rather
bewildered why peopled loved signals so much back in the days that
they've created SIGIO just for that ...

Then I wondered how this ever works, and what that strange "No-op."
comment right above it should mean. After all calling the core fasync
helper is pretty obviously not a noop. After reading through the
kernels FASYNC implementation I've noticed that signals are only sent
out to the processes attached with FASYNC by calling kill_fasync.

No merged drm driver has ever done that.

After more digging I've found out that the only driver that ever used
this is the so called GAMMA driver. I've frankly never heard of such a
gpu brand ever before. Now FASYNC seems to not have been the only bad
thing with that driver, since Dave Airlie removed it from the drm
driver with prejudice:

commit 1430163b4bbf7b00367ea1066c1c5fe85dbeefed
Author: Dave Airlie <airlied@linux.ie>
Date:   Sun Aug 29 12:04:35 2004 +0000

    Drop GAMMA DRM from a great height ...

Long story short, the drm fasync support seems to be doing absolutely
nothing. And the only user of it was never merged into the upstream
kernel. And we don't need any fops->fasync callback since the fcntl
implementation in the kernel already implements the noop case
correctly.

So stop this particular cargo-cult and rip it all out.

v2: Kill drm_fasync assignments in rcar (newly added) and imx drivers
(somehow I've missed that one in staging). Also drop the reference in
the drm DocBook. ARM compile-fail reported by Rob Clark.

v3: Move the removal of dev->buf_asnyc assignment in drm_setup to this
patch here.

v4: Actually git add ... tsk.

Cc: Dave Airlie <airlied@linux.ie>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Rob Clark <robdclark@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-19 10:05:17 +10:00
Andy Shevchenko 08fcd72b14 drm: don't push static constants on stack for %*ph
There is no need to pass constants via stack. The width may be explicitly
specified in the format.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-07 10:10:58 +10:00
Daniel Vetter 43387b37fa drm/gem: create drm_gem_dumb_destroy
All the gem based kms drivers really want the same function to
destroy a dumb framebuffer backing storage object.

So give it to them and roll it out in all drivers.

This still leaves the option open for kms drivers which don't use GEM
for backing storage, but it does decently simplify matters for gem
drivers.

Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Cc: Ben Skeggs <skeggsb@gmail.com>
Reviwed-by: Rob Clark <robdclark@gmail.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-07 09:59:24 +10:00
David Herrmann 0de23977cf drm/gem: convert to new unified vma manager
Use the new vma manager instead of the old hashtable. Also convert all
drivers to use the new convenience helpers. This drops all the
(map_list.hash.key << PAGE_SHIFT) non-sense.

Locking and access-management is exactly the same as before with an
additional lock inside of the vma-manager, which strictly wouldn't be
needed for gem.

v2:
 - rebase on drm-next
 - init nodes via drm_vma_node_reset() in drm_gem.c
v3:
 - fix tegra
v4:
 - remove duplicate if (drm_vma_node_has_offset()) checks
 - inline now trivial drm_vma_node_offset_addr() calls
v5:
 - skip node-reset on gem-init due to kzalloc()
 - do not allow mapping gem-objects with offsets (backwards compat)
 - remove unneccessary casts

Cc: Inki Dae <inki.dae@samsung.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>
2013-07-25 20:47:06 +10:00
Ville Syrjälä fb85ac4da8 drm: Drop all the stub gamma_get, gamma_set, load_lut functions from drivers
Many of the drivers didn't implement palette/gamma handling, but were forced
to provide stubs for the hooks to avoid drm_fb_helper from oopsing. Now that
the hooks are optional, we can eliminate all the stubs.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>
2013-06-17 19:42:47 +10:00
Linus Torvalds 20a2078ce7 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "This is the main drm pull request for 3.10.

  Wierd bits:
   - OMAP drm changes required OMAP dss changes, in drivers/video, so I
     took them in here.
   - one more fbcon fix for font handover
   - VT switch avoidance in pm code
   - scatterlist helpers for gpu drivers - have acks from akpm

  Highlights:
   - qxl kms driver - driver for the spice qxl virtual GPU

  Nouveau:
   - fermi/kepler VRAM compression
   - GK110/nvf0 modesetting support.

  Tegra:
   - host1x core merged with 2D engine support

  i915:
   - vt switchless resume
   - more valleyview support
   - vblank fixes
   - modesetting pipe config rework

  radeon:
   - UVD engine support
   - SI chip tiling support
   - GPU registers initialisation from golden values.

  exynos:
   - device tree changes
   - fimc block support

  Otherwise:
   - bunches of fixes all over the place."

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (513 commits)
  qxl: update to new idr interfaces.
  drm/nouveau: fix build with nv50->nvc0
  drm/radeon: fix handling of v6 power tables
  drm/radeon: clarify family checks in pm table parsing
  drm/radeon: consolidate UVD clock programming
  drm/radeon: fix UPLL_REF_DIV_MASK definition
  radeon: add bo tracking debugfs
  drm/radeon: add new richland pci ids
  drm/radeon: add some new SI PCI ids
  drm/radeon: fix scratch reg handling for UVD fence
  drm/radeon: allocate SA bo in the requested domain
  drm/radeon: fix possible segfault when parsing pm tables
  drm/radeon: fix endian bugs in atom_allocate_fb_scratch()
  OMAPDSS: TFP410: return EPROBE_DEFER if the i2c adapter not found
  OMAPDSS: VENC: Add error handling for venc_probe_pdata
  OMAPDSS: HDMI: Add error handling for hdmi_probe_pdata
  OMAPDSS: RFBI: Add error handling for rfbi_probe_pdata
  OMAPDSS: DSI: Add error handling for dsi_probe_pdata
  OMAPDSS: SDI: Add error handling for sdi_probe_pdata
  OMAPDSS: DPI: Add error handling for dpi_probe_pdata
  ...
2013-05-02 19:40:34 -07:00
Dave Airlie 33896bf320 udl: bind the framebuffer to the correct device.
This just moves the fb sysfs node beside the drm sysfs node which
I fixed before.

just noticed it in passing.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-05-01 09:45:21 +10:00
Imre Deak 011c2282c7 drm: prime: fix refcounting on the dmabuf import error path
In commit be8a42ae60 we inroduced a refcount problem, where on the
drm_gem_prime_fd_to_handle() error path we'll call dma_buf_put() for
self imported dma buffers.

Fix this by taking a reference on the dma buffer in the .gem_import
hook instead of assuming the caller had taken one. Besides fixing the
bug this is also more logical.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-05-01 09:40:21 +10:00
Dave Airlie 1baee58638 udl: handle EDID failure properly.
Don't oops seems proper.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-04-12 14:20:38 +10:00
Linus Torvalds d895cb1af1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs pile (part one) from Al Viro:
 "Assorted stuff - cleaning namei.c up a bit, fixing ->d_name/->d_parent
  locking violations, etc.

  The most visible changes here are death of FS_REVAL_DOT (replaced with
  "has ->d_weak_revalidate()") and a new helper getting from struct file
  to inode.  Some bits of preparation to xattr method interface changes.

  Misc patches by various people sent this cycle *and* ocfs2 fixes from
  several cycles ago that should've been upstream right then.

  PS: the next vfs pile will be xattr stuff."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
  saner proc_get_inode() calling conventions
  proc: avoid extra pde_put() in proc_fill_super()
  fs: change return values from -EACCES to -EPERM
  fs/exec.c: make bprm_mm_init() static
  ocfs2/dlm: use GFP_ATOMIC inside a spin_lock
  ocfs2: fix possible use-after-free with AIO
  ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path
  get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero
  target: writev() on single-element vector is pointless
  export kernel_write(), convert open-coded instances
  fs: encode_fh: return FILEID_INVALID if invalid fid_type
  kill f_vfsmnt
  vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op
  nfsd: handle vfs_getattr errors in acl protocol
  switch vfs_getattr() to struct path
  default SET_PERSONALITY() in linux/elf.h
  ceph: prepopulate inodes only when request is aborted
  d_hash_and_lookup(): export, switch open-coded instances
  9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate()
  9p: split dropping the acls from v9fs_set_create_acl()
  ...
2013-02-26 20:16:07 -08:00
Linus Torvalds fffddfd6c8 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm merge from Dave Airlie:
 "Highlights:

   - TI LCD controller KMS driver

   - TI OMAP KMS driver merged from staging

   - drop gma500 stub driver

   - the fbcon locking fixes

   - the vgacon dirty like zebra fix.

   - open firmware videomode and hdmi common code helpers

   - major locking rework for kms object handling - pageflip/cursor
     won't block on polling anymore!

   - fbcon helper and prime helper cleanups

   - i915: all over the map, haswell power well enhancements, valleyview
     macro horrors cleaned up, killing lots of legacy GTT code,

   - radeon: CS ioctl unification, deprecated UMS support, gpu reset
     rework, VM fixes

   - nouveau: reworked thermal code, external dp/tmds encoder support
     (anx9805), fences sleep instead of polling,

   - exynos: all over the driver fixes."

Lovely conflict in radeon/evergreen_cs.c between commit de0babd60d
("drm/radeon: enforce use of radeon_get_ib_value when reading user cmd")
and the new changes that modified that evergreen_dma_cs_parse()
function.

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (508 commits)
  drm/tilcdc: only build on arm
  drm/i915: Revert hdmi HDP pin checks
  drm/tegra: Add list of framebuffers to debugfs
  drm/tegra: Fix color expansion
  drm/tegra: Split DC_CMD_STATE_CONTROL register write
  drm/tegra: Implement page-flipping support
  drm/tegra: Implement VBLANK support
  drm/tegra: Implement .mode_set_base()
  drm/tegra: Add plane support
  drm/tegra: Remove bogus tegra_framebuffer structure
  drm: Add consistency check for page-flipping
  drm/radeon: Use generic HDMI infoframe helpers
  drm/tegra: Use generic HDMI infoframe helpers
  drm: Add EDID helper documentation
  drm: Add HDMI infoframe helpers
  video: Add generic HDMI infoframe helpers
  drm: Add some missing forward declarations
  drm: Move mode tables to drm_edid.c
  drm: Remove duplicate drm_mode_cea_vic()
  gma500: Fix n, m1 and m2 clock limits for sdvo and lvds
  ...
2013-02-25 16:46:44 -08:00
Al Viro 496ad9aa8e new helper: file_inode(file)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-22 23:31:31 -05:00
Daniel Vetter cd5428a544 drm/<drivers>: simplify ->fb_probe callback
The fb helper lost its support for reallocating an fb completely, so
no need to return special success values any more.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-02-14 00:07:58 +01:00
Daniel Vetter 76a39dbfb2 drm/fb-helper: don't disable everything in initial_config
This should be done in the drivers for two reasons:
- it gets in the way of fastboot efforts
- it links the fb helpers with the crtc helpers instead of going
  through the real interface vfuncs, forcing i915 to fake all the
  ->disable callbacks used by the crtc helper to avoid ugly Oopsen

v2: Resolve conflicts since drivers still call
drm_fb_helper_single_add_all_connectors.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-02-14 00:07:53 +01:00
Dave Airlie bb0f78dd7d Merge branch 'udl-fixes' into drm-next
Fixes for usb/udl devices
* udl-fixes:
  drm/udl: disable fb_defio by default
  drm/udl: Inline memcmp() for RLE compression of xfer
  drm/udl: make usage as a console safer
  drm/usb: bind driver to correct device
2013-02-08 12:14:50 +10:00
Dave Airlie 677d23b70b drm/udl: disable fb_defio by default
There seems to be a bad interaction between gem/shmem and defio on top,
I get list corruption on the page lru in the shmem code.

Turn it off for now until we get some more digging done.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-02-08 11:52:08 +10:00
Chris Wilson e90a4ea534 drm/udl: Inline memcmp() for RLE compression of xfer
As we use a variable length the compiler does not realise that it is a
fixed value of either 2 or 4 bytes. Instead of performing the inline
comparison itself, the compiler inserts a function call to the generic
memcmp routine which is optimised for long comparisons of variable
length. That turns out to be quite expensive...

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-02-08 11:52:00 +10:00
Dave Airlie bcb39af448 drm/udl: make usage as a console safer
Okay you don't really want to use udl devices as your console, but if
you are unlucky enough to do so, you run into a lot of schedule while atomic
due to printk being called from all sorts of funky places. So check if we
are in an atomic context, and queue the damage for later, the next printk
should cause it to appear. This isn't ideal, but it is simple, and seems to
work okay in my testing here.

(dirty area idea came from xenfb)

fixes a bunch of sleeping while atomic issues running fbcon on udl devices.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-02-07 12:37:50 +10:00
Daniel Vetter 362063619c drm: revamp framebuffer cleanup interfaces
We have two classes of framebuffer
- Created by the driver (atm only for fbdev), and the driver holds
  onto the last reference count until destruction.
- Created by userspace and associated with a given fd. These
  framebuffers will be reaped when their assoiciated fb is closed.

Now these two cases are set up differently, the framebuffers are on
different lists and hence destruction needs to clean up different
things. Also, for userspace framebuffers we remove them from any
current usage, whereas for internal framebuffers it is assumed that
the driver has done this already.

Long story short, we need two different ways to cleanup such drivers.
Three functions are involved in total:
- drm_framebuffer_remove: Convenience function which removes the fb
  from all active usage and then drops the passed-in reference.
- drm_framebuffer_unregister_private: Will remove driver-private
  framebuffers from relevant lists and drop the corresponding
  references. Should be called for driver-private framebuffers before
  dropping the last reference (or like for a lot of the drivers where
  the fbdev is embedded someplace else, before doing the cleanup
  manually).
- drm_framebuffer_cleanup: Final cleanup for both classes of fbs,
  should be called by the driver's ->destroy callback once the last
  reference is gone.

This patch just rolls out the new interfaces and updates all drivers
(by adding calls to drm_framebuffer_unregister_private at all the
right places)- no functional changes yet. Follow-on patches will move
drm core code around and update the lifetime management for
framebuffers, so that we are no longer required to keep framebuffers
alive by locking mode_config.mutex.

I've also updated the kerneldoc already.

vmwgfx seems to again be a bit special, at least I haven't figured out
how the fbdev support in that driver works. It smells like it's
external though.

v2: The i915 driver creates another private framebuffer in the
load-detect code. Adjust its cleanup code, too.

Reviewed-by: Rob Clark <rob@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-01-20 22:17:00 +01:00
Daniel Vetter af26ef3b39 drm/<drivers>: Unified handling of unimplemented fb->create_handle
Some drivers don't have real ->create_handle callbacks.

- cirrus/ast/mga200: Returns either 0 or -EINVAL.

- udl: Didn't even bother with a callback, leading to a nice
  userspace-triggerable OOPS.

- vmwgfx: This driver bothered with an implementation to return 0 as
  the handle (which is the canonical no-obj gem handle).

All have in common that ->create_handle doesn't really make too much
sense for them - that ioctl is used only for seamless fb takeover in
the radeon/nouveau/i915 ddx drivers. So allow drivers to not implement
this and return a consistent -ENODEV.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-01-20 15:57:57 +01:00
Daniel Vetter c7d73f6a8a drm/<drivers>: reorder framebuffer init sequence
With more fine-grained locking we can no longer rely on the big
mode_config lock to prevent concurrent access to mode resources
like framebuffers. Instead a framebuffer becomes accessible to
other threads as soon as it is added to the relevant lookup
structures. Hence it needs to be fully set up by the time drivers
call drm_framebuffer_init.

This patch here is the drivers part of that reorg. Nothing really fancy
going on safe for three special cases.

- exynos needs to be careful to properly unref all handles.
- nouveau gets a resource leak fixed for free: one of the error
  cases didn't cleanup the framebuffer, which is now moot since
  the framebuffer is only registered once it is fully set up.
- vmwgfx requires a slight reordering of operations, I'm hoping I didn't
  break anything (but it's refcount management only, so should be safe).

v2: Split out exynos, since it's a bit more hairy than expected.

v3: Drop bogus cirrus hunk noticed by Richard Wilbur.

v4: Split out vmwgfx since there's a small change in return values.

Reviewed-by: Rob Clark <rob@ti.com> (core + omapdrm)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-01-20 15:29:24 +01:00
Greg Kroah-Hartman ed408f7c0f Merge 3.9-rc4 into driver-core-next
This is to fix up a build problem with a wireless driver due to the
dynamic-debug patches in this branch.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 19:48:18 -08:00
Hans de Goede 7b4cf994e4 udldrmfb: udl_get_edid: drop unneeded i--
This is a left-over from when udl_get_edid returned the amount of bytes
successfully read, which it no longer does.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-01-14 08:45:27 +10:00
Hans de Goede 242187b362 udldrmfb: udl_get_edid: usb_control_msg buffer must not be on the stack
The buffer passed to usb_control_msg may end up in scatter-gather list, and
may thus not be on the stack. Having it on the stack usually works on x86, but
not on other archs.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-01-14 08:44:33 +10:00
Hans de Goede c930812fe5 udldrmfb: Fix EDID not working with monitors with EDID extension blocks
udldrmfb only reads the main EDID block, and if that advertises extensions
the drm_edid code expects them to be present, and starts reading beyond the
buffer udldrmfb passes it.

Although it may be possible to read more EDID info with the udl we simpy don't
know how, and even if trial and error gets it working on one device, that is
no guarantee it will work on other revisions. So this patch does a simple fix
in the form of patching the EDID info to report 0 extension blocks, this
fixes udldrmfb only doing 1024x768 on monitors with EDID extension blocks.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-01-14 08:44:02 +10:00
Kees Cook ea167c9bf5 drivers/gpu/drm/udl: remove depends on CONFIG_EXPERIMENTAL
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Dave Airlie <airlied@redhat.com>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11 11:38:05 -08:00
Rob Clark 99d1dba6d9 drm/udl: drm_connector_property -> drm_object_property
Signed-off-by: Rob Clark <rob@ti.com>
2012-11-30 10:20:11 -06:00
Sachin Kamat b27b6d328a drm/udl: Add missing static storage class specifiers in udl_connector.c
Fixes the following sparse warnings:
drivers/gpu/drm/udl/udl_connector.c:80:20: warning:
symbol 'udl_best_single_encoder' was not declared. Should it be static?
drivers/gpu/drm/udl/udl_connector.c:93:5: warning:
symbol 'udl_connector_set_property' was not declared. Should it be static?
drivers/gpu/drm/udl/udl_connector.c:106:35: warning:
symbol 'udl_connector_helper_funcs' was not declared. Should it be static?
drivers/gpu/drm/udl/udl_connector.c:112:28: warning:
symbol 'udl_connector_funcs' was not declared. Should it be static?

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-20 15:41:49 +10:00
Dave Airlie 3916e1d71b drm/udl: fix stride issues scanning out stride != width*bpp
When buffer sharing with the i915 and using a 1680x1050 monitor,
the i915 gives is a 6912 buffer for the 6720 width, the code doesn't
render this properly as it uses one value to set the base address for
reading from the vmap and for where to start on the device.

This fixes it by calculating the values correctly for the device and
for the pixmap. No idea how I haven't seen this before now.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-11-02 10:31:37 +10:00
Konstantin Khlebnikov 314e51b985 mm: kill vma flag VM_RESERVED and mm->reserved_vm counter
A long time ago, in v2.4, VM_RESERVED kept swapout process off VMA,
currently it lost original meaning but still has some effects:

 | effect                 | alternative flags
-+------------------------+---------------------------------------------
1| account as reserved_vm | VM_IO
2| skip in core dump      | VM_IO, VM_DONTDUMP
3| do not merge or expand | VM_IO, VM_DONTEXPAND, VM_HUGETLB, VM_PFNMAP
4| do not mlock           | VM_IO, VM_DONTEXPAND, VM_HUGETLB, VM_PFNMAP

This patch removes reserved_vm counter from mm_struct.  Seems like nobody
cares about it, it does not exported into userspace directly, it only
reduces total_vm showed in proc.

Thus VM_RESERVED can be replaced with VM_IO or pair VM_DONTEXPAND | VM_DONTDUMP.

remap_pfn_range() and io_remap_pfn_range() set VM_IO|VM_DONTEXPAND|VM_DONTDUMP.
remap_vmalloc_range() set VM_DONTEXPAND | VM_DONTDUMP.

[akpm@linux-foundation.org: drivers/vfio/pci/vfio_pci.c fixup]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Eric Paris <eparis@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Morris <james.l.morris@oracle.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Venkatesh Pallipadi <venki@google.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-09 16:22:19 +09:00
Linus Torvalds 612a9aab56 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm merge (part 1) from Dave Airlie:
 "So first of all my tree and uapi stuff has a conflict mess, its my
  fault as the nouveau stuff didn't hit -next as were trying to rebase
  regressions out of it before we merged.

  Highlights:
   - SH mobile modesetting driver and associated helpers
   - some DRM core documentation
   - i915 modesetting rework, haswell hdmi, haswell and vlv fixes, write
     combined pte writing, ilk rc6 support,
   - nouveau: major driver rework into a hw core driver, makes features
     like SLI a lot saner to implement,
   - psb: add eDP/DP support for Cedarview
   - radeon: 2 layer page tables, async VM pte updates, better PLL
     selection for > 2 screens, better ACPI interactions

  The rest is general grab bag of fixes.

  So why part 1? well I have the exynos pull req which came in a bit
  late but was waiting for me to do something they shouldn't have and it
  looks fairly safe, and David Howells has some more header cleanups
  he'd like me to pull, that seem like a good idea, but I'd like to get
  this merge out of the way so -next dosen't get blocked."

Tons of conflicts mostly due to silly include line changes, but mostly
mindless.  A few other small semantic conflicts too, noted from Dave's
pre-merged branch.

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (447 commits)
  drm/nv98/crypt: fix fuc build with latest envyas
  drm/nouveau/devinit: fixup various issues with subdev ctor/init ordering
  drm/nv41/vm: fix and enable use of "real" pciegart
  drm/nv44/vm: fix and enable use of "real" pciegart
  drm/nv04/dmaobj: fixup vm target handling in preparation for nv4x pcie
  drm/nouveau: store supported dma mask in vmmgr
  drm/nvc0/ibus: initial implementation of subdev
  drm/nouveau/therm: add support for fan-control modes
  drm/nouveau/hwmon: rename pwm0* to pmw1* to follow hwmon's rules
  drm/nouveau/therm: calculate the pwm divisor on nv50+
  drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster
  drm/nouveau/therm: move thermal-related functions to the therm subdev
  drm/nouveau/bios: parse the pwm divisor from the perf table
  drm/nouveau/therm: use the EXTDEV table to detect i2c monitoring devices
  drm/nouveau/therm: rework thermal table parsing
  drm/nouveau/gpio: expose the PWM/TOGGLE parameter found in the gpio vbios table
  drm/nouveau: fix pm initialization order
  drm/nouveau/bios: check that fixed tvdac gpio data is valid before using it
  drm/nouveau: log channel debug/error messages from client object rather than drm client
  drm/nouveau: have drm debugging macros build on top of core macros
  ...
2012-10-03 23:29:23 -07:00
Dave Airlie 268d28371c Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next
This is a major rework of the nouveau driver core, to reflect more closely
how the hw is used and to make it easier to implement newer features now
that the GPUs are more clearly understood than when nouveau started.

It also contains a few other bits:
thermal patches
nv41/44 pcie gart fixes
i2c unregistering fixes.

* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (191 commits)
  drm/nv98/crypt: fix fuc build with latest envyas
  drm/nouveau/devinit: fixup various issues with subdev ctor/init ordering
  drm/nv41/vm: fix and enable use of "real" pciegart
  drm/nv44/vm: fix and enable use of "real" pciegart
  drm/nv04/dmaobj: fixup vm target handling in preparation for nv4x pcie
  drm/nouveau: store supported dma mask in vmmgr
  drm/nvc0/ibus: initial implementation of subdev
  drm/nouveau/therm: add support for fan-control modes
  drm/nouveau/hwmon: rename pwm0* to pmw1* to follow hwmon's rules
  drm/nouveau/therm: calculate the pwm divisor on nv50+
  drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster
  drm/nouveau/therm: move thermal-related functions to the therm subdev
  drm/nouveau/bios: parse the pwm divisor from the perf table
  drm/nouveau/therm: use the EXTDEV table to detect i2c monitoring devices
  drm/nouveau/therm: rework thermal table parsing
  drm/nouveau/gpio: expose the PWM/TOGGLE parameter found in the gpio vbios table
  drm/nouveau: fix pm initialization order
  drm/nouveau/bios: check that fixed tvdac gpio data is valid before using it
  drm/nouveau: log channel debug/error messages from client object rather than drm client
  drm/nouveau: have drm debugging macros build on top of core macros
  ...

Conflicts:
	drivers/gpu/drm/nouveau/nouveau_dp.c
2012-10-03 13:26:15 +10:00
David Howells 760285e7e7 UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/
Convert #include "..." to #include <path/...> in drivers/gpu/.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
2012-10-02 18:01:07 +01:00
David Howells 4126d5d61f UAPI: (Scripted) Remove redundant DRM UAPI header #inclusions from drivers/gpu/.
Remove redundant DRM UAPI header #inclusions from drivers/gpu/.

Remove redundant #inclusions of core DRM UAPI headers (drm.h, drm_mode.h and
drm_sarea.h).  They are now #included via drmP.h and drm_crtc.h via a preceding
patch.

Without this patch and the patch to make include the UAPI headers from the core
headers, after the UAPI split, the DRM C sources cannot find these UAPI headers
because the DRM code relies on specific -I flags to make #include "..."  work
on headers in include/drm/ - but that does not work after the UAPI split without
adding more -I flags.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
2012-10-02 18:01:05 +01:00
Sachin Kamat 27796b465d drm/udl: Add missing static storage class specifiers in udl_fb.c
Fixes the following sparse warnings:
drivers/gpu/drm/udl/udl_fb.c:360:6: warning:
symbol 'udl_crtc_fb_gamma_set' was not declared. Should it be static?
drivers/gpu/drm/udl/udl_fb.c:365:6: warning:
symbol 'udl_crtc_fb_gamma_get' was not declared. Should it be static?

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-02 09:24:41 +10:00
Sachin Kamat 8d42a91915 drm/udl: Make udl_crtc_init() static
Fixes the following sparse warning:
drivers/gpu/drm/udl/udl_modeset.c:394:5: warning:
symbol 'udl_crtc_init' was not declared. Should it be static?

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-02 09:24:34 +10:00
Sachin Kamat 9278006249 drm/udl: Make udl_enc_destroy() static
Fixes the following sparse warning:
drivers/gpu/drm/udl/udl_encoder.c:19:6: warning:
symbol 'udl_enc_destroy' was not declared. Should it be static?

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-02 09:24:25 +10:00
Sachin Kamat 74401b1dd3 drm/udl: Use NULL instead of 0 for pointers
Fixes the following sparse warnings:
drivers/gpu/drm/udl/udl_transfer.c:129:50:
drivers/gpu/drm/udl/udl_transfer.c:130:50:
drivers/gpu/drm/udl/udl_transfer.c:131:45:
drivers/gpu/drm/udl/udl_transfer.c:132:61:
warning: Using plain integer as NULL pointer

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-10-02 09:24:17 +10:00
Dave Airlie 3a75885848 drm/udl: limit modes to the sku pixel limits.
Otherwise when X starts we commonly get a black screen scanning
out nothing, its wierd dpms on/off from userspace brings it back,

With this on F18, multi-seat works again with my 1920x1200 monitor
which is above the sku limit for the device I have.

Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-09-26 18:40:21 +10:00
Daniel Vetter 398b7a1b88 Linux 3.6-rc7
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Merge tag 'v3.6-rc7' into drm-intel-next-queued

Manual backmerge of -rc7 to resolve a silent conflict leading to
compile failure in drivers/gpu/drm/i915/intel_hdmi.c.

This is due to the bugfix in -rc7:

commit b98b601672
Author: Wang Xingchao <xingchao.wang@intel.com>
Date:   Thu Sep 13 07:43:22 2012 +0800

    drm/i915: HDMI - Clear Audio Enable bit for Hot Plug

Since this code moved around a lot in -next git put that snippet at
the wrong spot. I've tried to fix this by making the conflict explicit
by merging a version for next with:

commit 3cce574f01
Author: Wang Xingchao <xingchao.wang@intel.com>
Date:   Thu Sep 13 11:19:00 2012 +0800

    drm/i915: HDMI - Clear Audio Enable bit for Hot Plug unconditionally

But that failed to solve the entire problem. To avoid pushing out
further -nightly branch to our QA where this is broken, do the
backmerge and manually add the stuff git adds to -next from the patch
in -fixes.

Note that this doesn't show up in git's merge diff (and hence is also
not handled by git rerere), which adds to the reasons why I'd like to
fix this with a verbose backmerge. The git merge diff only shows a
bunch of trivial conflicts of the "code changed in lines next to each
another" kind.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-09-24 18:17:12 +02:00
Andy Shevchenko 9a6a4b4757 drm: use %*ph to dump small buffers
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-09-13 11:28:30 +10:00
Keith Packard 804d74abe2 drm: use drm_compat_ioctl for 32-bit apps
Most of the DRM drivers appear to be missing the .compat_ioctl file
operation entry necessary for 32-bit application compatibility.

This patch  uses drm_compat_ioctl for all drivers which don't have
their own, and which are using drm_ioctl for .unlocked_ioctl.

This leaves drivers/gpu/drm/psb/psb_drv.c unchanged; it has a custom
.unlocked_ioctl and will presumably need a custom .compat_ioctl as
well.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
2012-09-06 06:55:02 +10:00
Dave Airlie 65983bd605 Merge branch 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
Daniel writes:
"New stuff for -next. Highlights:
- prep patches for the modeset rework. Note that one of those patches
  touches the fb helper in the common drm code.
- hasw hdmi audio support (Wang Xingchao)
- improved instdone dumping for gen7 (Ben)
- unbound tracking and a few follow-up patches from Chris
- dma_buf->begin/end_cpu_access plus fix for drm/udl (Dave)
- improve mmio error reporting for hsw
- prep patch for WQ_NON_REENTRANT removal (Tejun Heo)
"

* 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel: (41 commits)
  drm/i915: Remove __GFP_NO_KSWAPD
  drm/i915: disable rc6 on ilk when vt-d is enabled
  drm/i915: Avoid unbinding due to an interrupted pin_and_fence during execbuffer
  drm/i915: Use new INSTDONE registers (Gen7+)
  drm/i915: Add new INSTDONE registers
  drm/i915: Extract reading INSTDONE
  drm/i915: Use a non-blocking wait for set-to-domain ioctl
  drm/i915: Juggle code order to ease flow of the next patch
  drm/i915: Use cpu relocations if the object is in the GTT but not mappable
  drm/i915: Extract general object init routine
  drm/i915: Protect private gem objects from truncate (such as imported dmabuf)
  drm/i915: Only pwrite through the GTT if there is space in the aperture
  i915: use alloc_ordered_workqueue() instead of explicit UNBOUND w/ max_active = 1
  drm/i915: Find unclaimed MMIO writes.
  drm/i915: Add ERR_INT to gen7 error state
  drm/i915: Cantiga+ cannot handle a hsync front porch of 0
  drm/i915: fix reassignment of variable "intel_dp->DP"
  drm/i915: Try harder to allocate an mmap_offset
  drm/i915: Show pin count in debugfs
  drm/i915: Show (count, size) of purgeable objects in i915_gem_objects
  ...
2012-09-03 12:05:01 +10:00
Dave Airlie 93bb70e0c0 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
There was some merge conflicts in -next and they weren't so pretty, so
backmerge now to avoid them.

Conflicts:
	drivers/gpu/drm/i915/i915_gem.c
	drivers/gpu/drm/i915/intel_modes.c
2012-08-27 16:22:20 +10:00
Jani Nikula 451023dc32 drm: remove the raw_edid field from struct drm_display_info
Neither the drm core nor any of the drivers really need the raw_edid field
of struct drm_display_info for anything. Instead of being useful, it
creates confusion about who is responsible for freeing the memory it points
to and setting the field to NULL afterwards, leading to memory leaks and
dangling pointers.

Remove the raw_edid field, and fix drivers as necessary.

Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-08-24 09:37:36 +10:00
Linus Torvalds 4ff63e47f7 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Intel: edid fixes, power consumption fix, s/r fix, haswell fix

  Radeon: BIOS loading fixes for UEFI and Thunderbolt machines, better
  MSAA validation, lockup timeout fixes, modesetting fixes

  One udl dpms fix, one vmwgfx fix, a couple of trivial core changes.

  There is an export added to ACPI as part of the radeon bios fixes.

  I've also included the fbcon flashing cursor vs deinit race fix, that
  seems the simplest place to start"

Trivial conflict in drivers/video/console/fbcon.c due to me having
already applied the fbcon flashing cursor vs deinit race fix, and Dave
had added a comment in there too.

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (22 commits)
  fbcon: fix race condition between console lock and cursor timer (v1.1)
  drm: Add missing static storage class specifiers in drm_proc.c file
  drm/udl: dpms off the crtc when disabled.
  drm: Remove two unused fields from struct drm_display_mode
  drm: stop vmgfx driver explosion
  drm/radeon/ss: use num_crtc rather than hardcoded 6
  Revert "drm/radeon: fix bo creation retry path"
  drm/i915: use hsw rps tuning values everywhere on gen6+
  drm/radeon: split ATRM support out from the ATPX handler (v3)
  drm/radeon: convert radeon vfct code to use acpi_get_table_with_size
  ACPI: export symbol acpi_get_table_with_size
  drm/radeon: implement ACPI VFCT vbios fetch (v3)
  drm/radeon/kms: extend the Fujitsu D3003-S2 board connector quirk to cover later silicon stepping
  drm/radeon: fix checking of MSAA renderbuffers on r600-r700
  drm/radeon: allow CMASK and FMASK in the CS checker on r600-r700
  drm/radeon: init lockup timeout on ring init
  drm/radeon: avoid turning off spread spectrum for used pll
  drm/i915: fall back to bit-banging if GMBUS fails in CRT EDID reads
  drm/i915: extract connector update from intel_ddc_get_modes() for reuse
  drm/i915: fix hsw uncached pte
  ...
2012-08-22 10:45:13 -07:00
Dave Airlie d5c2c20e35 drm/udl: dpms off the crtc when disabled.
This turns off the crtc when its been disabled,
fixes it not turning off properly the whole time.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2012-08-22 09:27:47 +10:00
Linus Torvalds 10c63c9aec More USB patches for 3.6-rc3
Here are 10 more USB patches for 3.6-rc3.  They all fix reported
 problems (build problems for one of them, and easily repeatable oopses
 for the others.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull more USB patches from Greg Kroah-Hartman:
 "Here are 10 more USB patches for 3.6-rc3.  They all fix reported
  problems (build problems for one of them, and easily repeatable oopses
  for the others.)

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'usb-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  gpu/mfd/usb: Fix USB randconfig problems
  USB: CDC ACM: Fix NULL pointer dereference
  USB: emi62: remove __devinit* from the struct usb_device_id table
  USB: winbond: remove __devinit* from the struct usb_device_id table
  USB: vt6656: remove __devinit* from the struct usb_device_id table
  USB: rtl8187: remove __devinit* from the struct usb_device_id table
  USB: p54usb: remove __devinit* from the struct usb_device_id table
  USB: spca506: remove __devinit* from the struct usb_device_id table
  USB: jl2005bcd: remove __devinit* from the struct usb_device_id table
  USB: smsusb: remove __devinit* from the struct usb_device_id table
2012-08-20 13:14:22 -07:00
Guenter Roeck 8f057d7bca gpu/mfd/usb: Fix USB randconfig problems
Fix config warning:

warning: ( ... && DRM_USB) selects USB which has unmet direct dependencies
(USB_SUPPORT && USB_ARCH_HAS_HCD)

and build error:
ERROR: "usb_speed_string" [drivers/usb/core/usbcore.ko] undefined!

by adding the missing dependency on USB_ARCH_HAS_HCD to DRM_UDL and DRM_USB.

This exposes:
drivers/video/Kconfig:36:error: recursive dependency detected!
drivers/video/Kconfig:36:       symbol FB is selected by DRM_KMS_HELPER
drivers/gpu/drm/Kconfig:28:     symbol DRM_KMS_HELPER is selected by DRM_UDL
drivers/gpu/drm/udl/Kconfig:1:  symbol DRM_UDL depends on USB_ARCH_HAS_HCD
drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI
drivers/usb/Kconfig:16: symbol USB_ARCH_HAS_OHCI depends on I2C
drivers/i2c/Kconfig:5:  symbol I2C is selected by FB_DDC
drivers/video/Kconfig:86:       symbol FB_DDC is selected by FB_CYBER2000_DDC
drivers/video/Kconfig:385:      symbol FB_CYBER2000_DDC depends on FB_CYBER2000
drivers/video/Kconfig:373:      symbol FB_CYBER2000 depends on FB

which is due to drivers/usb/Kconfig:
config USB_ARCH_HAS_OHCI
	...
	default y if ARCH_PNX4008 && I2C

Fix by dropping I2C from the above dependency; logic is that this is not a
platform dependency but a configuration dependency: the _architecture_ still
supports USB even is I2C is not selected.

This exposes:
drivers/video/Kconfig:36:error: recursive dependency detected!
drivers/video/Kconfig:36:       symbol FB is selected by DRM_KMS_HELPER
drivers/gpu/drm/Kconfig:28:     symbol DRM_KMS_HELPER is selected by DRM_UDL
drivers/gpu/drm/udl/Kconfig:1:  symbol DRM_UDL depends on USB_ARCH_HAS_HCD
drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI
drivers/usb/Kconfig:17: symbol USB_ARCH_HAS_OHCI depends on MFD_TC6393XB
drivers/mfd/Kconfig:396:        symbol MFD_TC6393XB depends on GPIOLIB
drivers/gpio/Kconfig:35:        symbol GPIOLIB is selected by FB_VIA
drivers/video/Kconfig:1560:     symbol FB_VIA depends on FB

which can be fixed by having MFD_TC6393XB select GPIOLIB instead of depending on
it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-20 11:52:41 -07:00
Dave Airlie 32ecd24264 drm/udl: call begin/end cpu access at more appropriate time
We need to call these before we transfer the damaged areas to the device
not before/after we setup the long lived vmaps.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-08-17 10:10:07 +02:00
Thomas Meyer 959f724728 drm/udl: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(.. [1]
The semantic patch that makes this change is available
in scripts/coccinelle/api/err_cast.cocci.

More information about semantic patching is available at
http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-08-09 09:58:44 +10:00
Dave Airlie e6b0b6a82f Linux 3.5-rc7
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Merge tag 'v3.5-rc7' into drm-next

Merge Linus tree into drm to fixup conflicts in radeon code for further
testing before upstream merge.

Signed-off-by: Dave Airlie <airlied@redhat.com>

Conflicts:
	drivers/gpu/drm/i915/i915_dma.c
	drivers/gpu/drm/i915/intel_display.c
	drivers/gpu/drm/radeon/radeon_gart.c
2012-07-20 00:53:28 -04:00
Dave Airlie 5bd42f69fb drm/udl: port over blanking code from udlfb.
This ports over the dpms code from udlfb, and should mean
a better chance of turning on some udl devices.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-19 22:30:41 -04:00
Laurent Pinchart e811f5ae19 drm: Make the .mode_fixup() operations mode argument a const pointer
The passed mode must not be modified by the operation, make it const.

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>
2012-07-19 21:52:38 -04:00
Dave Airlie d42f0349f3 drm/udl: Make sure to get correct endian keys from vendor descriptor
This is a port of
commit b49f184b64
Author: Ben Collins <bcollins@ubuntu.com>
from udlfb to udl kms driver.

The driver was not using le16_to_cpu when reading keys from the vendor
descriptor, causing incorrect parsing. Mainly, sku_pixel_limit was not
being parsed on big-endian systems. This would result in a blank screen
on big-endian CPUs where the DL chips's max mode was smaller than the
monitor's native mode.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-25 07:43:12 +01:00
Dave Airlie e5a867a51d drm/udl: only bind to the video devices on the hub.
This is ported from udlfb.

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=832188
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-16 11:09:58 +01:00
Dave Airlie e8aa1d1ebc udl: support vmapping imported dma-bufs
This allows udl to get a vmapping of an imported buffer for scanout.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-31 14:13:59 +01:00
Dave Airlie 1c780f2cfe drm/udl: remove unused variables.
These two variables were not required after new API was introduced.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-29 13:47:59 +01:00
Dan Carpenter ace281e8ab drm/udl: unlock before returning in udl_gem_mmap()
If we hit an error here, then we should unlock and unreference obj
before returning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-29 11:02:50 +01:00
Dave Airlie 96503f592f udl: add prime fd->handle support.
udl can only be used as an output offload so doesn't need to support
handle->fd direction.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-23 10:46:05 +01:00
Laurent Pinchart e6ecefaadf drm: Constify drm_mode_config_funcs pointer
The DRM mode config functions structure declared by drivers and pointed
to by the drm_mode_config funcs field is never modified. Make it a const
pointer.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Rob Clark <rob.clark@linaro.org>
Reviwed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-22 10:35:07 +01:00
Laurent Pinchart 78b68556a9 drm: Constify gem_vm_ops pointer
The GEM vm operations structure is passed to the VM core that stores it
in a const field. There vm operations structures can thus be const in
DRM as well.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <rob.clark@linaro.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-22 10:34:53 +01:00
Konstantin Khlebnikov fa9e855025 mm, drm/udl: fixup vma flags on mmap
There should be VM_MIXEDMAP, not VM_PFNMAP, because udl_gem_fault() inserts
pages via vm_insert_page(). Other drm/gem drivers already do this.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-04-02 11:08:17 +01:00
Dave Airlie 9c1dfc5574 drm/usb: move usb support into a separate module
In order to satisfy all the various Kconfig options between
USB and DRM, we need to split the USB code out into a separate module
and export symbols to it.

This fixes build problems in -next reported by sfr.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-03-20 06:59:29 +00:00
Dave Airlie 5320918b9a drm/udl: initial UDL driver (v4)
This is an initial drm/kms driver for the displaylink devices.

Supports fb_defio,
supports KMS dumb interface
supports 24bpp via conversion to 16bpp, hw can do this better.
supports hot unplug using new drm core features.

On an unplug, it disables connector polling, unplugs connectors
from sysfs, unplugs fbdev layer (using Kay's API), drops all the
USB device URBs, and call the drm core to unplug the device.

This driver is based in large parts on udlfb.c so I've licensed
it under GPLv2.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-03-15 13:35:34 +00:00