linux.git/drivers/gpu, branch v3.1-rc7

drm/radeon/kms: Make GPU/CPU page size handling consistent in blit code (v2)

2011-09-18T18:44:36+00:00

The BO blit code inconsistenly handled the page size.  This wasn't
an issue on system with 4k pages since the GPU's page size is 4k as
well.  Switch the driver blit callbacks to take num pages in GPU
page units.

Fixes lemote mipsel systems using AMD rs780/rs880 chipsets.

v2: incorporate suggestions from Michel.

Signed-off-by: Alex Deucher 
Reviewed-by: Michel Dänzer 
Cc: stable@kernel.org
Signed-off-by: Dave Airlie

drm/radeon/kms: fix typo in r100_blit_copy

2011-09-18T18:43:42+00:00

cur_pages is the number of pages per loop iteration.

Signed-off-by: Alex Deucher 
Reviewed-by: Michel Dänzer 
Cc: stable@kernel.org
Signed-off-by: Dave Airlie

drm/radeon: Unreference GEM object outside of spinlock in page flip error path.

2011-09-14T12:36:39+00:00

Should fix https://bugzilla.redhat.com/show_bug.cgi?id=726277 .

Signed-off-by: Michel Dänzer 
cc: stable@kernel.org
Signed-off-by: Dave Airlie

drm/radeon: Don't read from CP ring write pointer registers.

2011-09-14T12:35:35+00:00

Apparently this doesn't always work reliably, e.g. at resume time.

Just initialize to 0, so the ring is considered empty.

Tested with hibernation on Sumo and Cayman cards.

Should fix https://bugs.launchpad.net/ubuntu/+source/linux/+bug/820746/ .

Signed-off-by: Michel Dänzer 
Reviewed-by: Alex Deucher 
cc: stable@kernel.org
Signed-off-by: Dave Airlie

drm/ttm: request zeroed system memory pages for new TT buffer objects

2011-09-14T12:34:51+00:00

Fixes an information leak to userspace, we were handing out un-zeroed pages
for any newly created TTM_PL_TT buffer.

Reported-by: Marcin Slusarz 
Signed-off-by: Ben Skeggs 
Tested-by: Marcin Slusarz 
Cc: stable@kernel.org
Signed-off-by: Dave Airlie

drm: Remove duplicate "return" statement

2011-09-09T08:11:44+00:00

Remove the duplicate "return" statement in drm_fb_helper_panic().

Signed-off-by: Lin Ming 
Signed-off-by: Dave Airlie

Merge branch 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-test

2011-09-09T08:10:04+00:00

* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nv04/crtc: Bail out if FB is not bound to crtc
  drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archs
  drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate
  drm/nouveau: fix oops on pre-semaphore hardware
  drm/nv50/crtc: Bail out if FB is not bound to crtc

drm/nv04/crtc: Bail out if FB is not bound to crtc

2011-09-09T07:24:21+00:00

This commit resolves a possible 'NULL pointer dereference'
It uses the same approach as radeon, intel and nouveau/nv50

Fixes bug 'Nouveau: Kernel oops when unplugging external monitor'
https://bugs.freedesktop.org/show_bug.cgi?id=40336

Signed-off-by: Emil Velikov 
Signed-off-by: Ben Skeggs

drm/nouveau: fix nv04_sgdma_bind on non-"4kB pages" archs

2011-09-09T07:24:10+00:00

nv04_sgdma_bind binds the same page multiple times on
architectures where PAGE_SIZE != 4096.
Let's fix it.

Signed-off-by: Marcin Slusarz 
Signed-off-by: Ben Skeggs

drm/nouveau: properly handle allocation failure in nouveau_sgdma_populate

2011-09-09T07:24:06+00:00

Not cleaning after alloc failure would result in crash on destroy,
because nouveau_sgdma_clear assumes "ttm_alloced" to be not null when
"pages" is not null.

Signed-off-by: Marcin Slusarz 
Cc: stable@kernel.org
Signed-off-by: Ben Skeggs