linux/drivers/char/agp
Chris Wilson da88a5f7f7 drm/i915: Disable WC PTE updates to w/a buggy IOMMU on ILK
Whilst IOMMU is enabled for the Intel GPU on Ironlake, it appears that
using WC writes to update the PTE on the GPU fails miserably. The
result looks like the majority of the writes do not land leading to
lots of screen corruption and a hard system hang.

v2: s/</<=/ to preserve the current exclusion of Sandybridge

Reported-by: Nathan Myers <ncm@cantrip.org>
Bugzilla: https://bugzilla.freedesktop.org/show_bug.cgi?id=60391
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Nathan Myers <ncm@cantrip.org>
[danvet: Remove cc: stable and add tested-by.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-02-20 00:21:49 +01:00
..
agp.h
ali-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
alpha-agp.c
amd64-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
amd-k7-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
ati-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
backend.c
compat_ioctl.c
compat_ioctl.h
efficeon-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
frontend.c
generic.c
hp-agp.c
i460-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
intel-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
intel-agp.h drm/i915: Kill off now unused gen6+ AGP code 2012-11-11 23:51:43 +01:00
intel-gtt.c drm/i915: Disable WC PTE updates to w/a buggy IOMMU on ILK 2013-02-20 00:21:49 +01:00
isoch.c
Kconfig
Makefile
nvidia-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
parisc-agp.c
sgi-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
sis-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
sworks-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
uninorth-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
via-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00