linux-stable.git/drivers/gpu/drm/udl, branch linux-4.8.y

drm/udl: fix line iterator in damage handling

2016-09-28T03:29:18+00:00

The udl damage handler is supposed to render 'height' lines, but its
iterator has an obvious typo that makes it miss most lines if the
rectangle does not cover 0/0.

Fix the damage handler to correctly render all lines.

This is a fallout from:

    commit e375882406d0cc24030746638592004755ed4ae0
    Author: Noralf Trønnes 
    Date:   Thu Apr 28 17:18:37 2016 +0200

        drm/udl: Use drm_fb_helper deferred_io support

Tested-by: poma 
Cc: stable@vger.kernel.org # 4.7+
Reviewed-by: Daniel Vetter 
Signed-off-by: David Herrmann 
Reviewed-by: Eric Engestrom 
Signed-off-by: Dave Airlie

drm: Protect fb_defio in drivers with CONFIG_KMS_FBDEV_EMULATION

2016-08-25T19:11:35+00:00

For reasons that entirely elude me fb.h exposes all the structures,
even when it is not enabled. Except for special stuff like fb_defio.

Which means all the drivers which haven't yet switched over to the
defio support in the helpers and still roll their own, will fail
to compile when fbdev emulation is disabled. Protect just those
bits, as a gnarly reminder that conversion to the core defio helpers
would be good.

Reviewed-by: Alex Deucher 
Signed-off-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/1470847958-28465-6-git-send-email-daniel.vetter@ffwll.ch
Signed-off-by: Dave Airlie

drm/udl: make fbdev support really optional

2016-07-18T07:11:40+00:00

Currently enabling USB DisplayLink DRM support automatically pulls
in fbdev dependency. However this dep is unnecessary since
DRM core already handles this for us (DRM_FBDEV_EMULATION).

Signed-off-by: Tobias Jakobi 
Signed-off-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/1468586897-32298-17-git-send-email-tjakobi@math.uni-bielefeld.de

drm/udl: Unplugging a device now unregisters it

2016-07-12T11:01:55+00:00

Rather than manually perform our unregistration actions before shutting
down the device, move them to drm_unplug_dev().

Signed-off-by: Chris Wilson 
Cc: David Airlie 
Cc: Daniel Vetter 
Cc: Laurent Pinchart 
Cc: Alexey Brodkin 
Cc: Amitoj Kaur Chawla 
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/1466778982-6974-4-git-send-email-chris@chris-wilson.co.uk

drm/udl: use drm_crtc_send_vblank_event()

2016-06-06T16:03:06+00:00

Replace the legacy drm_send_vblank_event() with the new helper function.

Signed-off-by: Gustavo Padovan 
Signed-off-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/1465224105-21485-5-git-send-email-gustavo@padovan.org

drm: Remove unused drm_device from drm_gem_object_lookup()

2016-05-17T06:47:30+00:00

drm_gem_object_lookup() has never required the drm_device for its file
local translation of the user handle to the GEM object. Let's remove the
unused parameter and save some space.

Signed-off-by: Chris Wilson 
Cc: dri-devel@lists.freedesktop.org
Cc: Dave Airlie 
Cc: Daniel Vetter 
[danvet: Fixup kerneldoc too.]
Signed-off-by: Daniel Vetter

drm/udl: Use drm_fb_helper deferred_io support

2016-05-02T14:25:55+00:00

Use the fbdev deferred io support in drm_fb_helper.
The (struct fb_ops *)->fb_{fillrect,copyarea,imageblit} functions will
now schedule a worker instead of being flushed directly like it was
previously (recorded when in atomic).

This patch has only been compile tested.

Signed-off-by: Noralf Trønnes 
Reviewed-by: Daniel Vetter 
Tested-by: Gerd Hoffmann 
Signed-off-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/1461856717-6476-8-git-send-email-noralf@tronnes.org

drm/udl: Change drm_fb_helper_sys_() calls to sys_()

2016-05-02T14:21:40+00:00

Now that drm_fb_helper gets deferred io support, the
drm_fb_helper_sys_{fillrect,copyarea,imageblit} functions will schedule
a worker that will call the (struct drm_framebuffer *)->funcs->dirty()
function. This will break this driver so use the
sys_{fillrect,copyarea,imageblit} functions directly.

Signed-off-by: Noralf Trønnes 
Reviewed-by: Daniel Vetter 
Signed-off-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/1461856717-6476-2-git-send-email-noralf@tronnes.org

Merge tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel into drm-next

2016-04-05T23:39:01+00:00

* tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel:
  drm: Add new DCS commands in the enum list
  drm: Make uapi headers C89 pendantic compliant
  drm/atomic: export drm_atomic_helper_wait_for_fences()
  drm: Untangle __KERNEL__ guards
  drm: Move DRM_MODE_OBJECT_* to uapi headers
  drm: align #include directives with libdrm in uapi headers
  drm: Make drm.h uapi header safe for C++
  vgacon: dummy implementation for vgacon_text_force
  drm/sysfs: Nuke TV/DVI property files
  drm/ttm: Remove TTM_HAS_AGP
  drm: bridge/dw-hdmi: Remove pre_enable/post_disable dummy funcs
  Revert "drm: Don't pass negative delta to ktime_sub_ns()"
  drm/atmel: Fixup drm_connector_/unplug/unregister/_all
  drm: Rename drm_connector_unplug_all() to drm_connector_unregister_all()
  drm: bridge: Make (pre/post) enable/disable callbacks optional

drm/udl: Use unlocked gem unreferencing

2016-04-01T03:22:33+00:00

For drm_gem_object_unreference callers are required to hold
dev->struct_mutex, which these paths don't. Enforcing this requirement
has become a bit more strict with

commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663
Author: Daniel Vetter 
Date:   Thu Oct 15 09:36:25 2015 +0200

    drm/gem: Check locking in drm_gem_object_unreference

Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter 
Signed-off-by: Dave Airlie