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Code Issues Releases Wiki Activity
linux-stable/drivers/char/agp
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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 Fix common misspellings 2011-03-31 11:26:23 -03:00
ali-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
alpha-agp.c const: mark struct vm_struct_operations 2009-09-27 11:39:25 -07:00
amd-k7-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
amd64-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 agp: fix scratch page cleanup 2012-01-26 18:36:48 +00:00
compat_ioctl.c agp: kill agp_flush_chipset and corresponding ioctl 2010-11-23 20:14:45 +00:00
compat_ioctl.h agp: kill agp_flush_chipset and corresponding ioctl 2010-11-23 20:14:45 +00:00
efficeon-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
frontend.c agp: kill agp_flush_chipset and corresponding ioctl 2010-11-23 20:14:45 +00:00
generic.c agp: Use u32 __iomem annotation to silence sparse warning. 2012-04-12 17:56:21 +01:00
hp-agp.c [IA64] agp/hp-agp: Allow binding user memory to the AGP GART 2011-08-23 13:31:59 -07:00
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 Revert "agp: AMD AGP is used on UP1100 & UP1500 alpha boxen" 2011-02-04 09:42:25 +10:00
Makefile agp/intel: make intel-gtt.c into a real source file 2010-09-08 21:20:06 +01:00
nvidia-agp.c Drivers: char: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
parisc-agp.c parisc-agp: fix missing slab.h include 2010-10-29 13:26:48 -04:00
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