diff options
| author | Chris Wilson <[email protected]> | 2013-02-13 09:31:53 +0000 |
|---|---|---|
| committer | Daniel Vetter <[email protected]> | 2013-02-20 00:21:49 +0100 |
| commit | da88a5f7f7d434e2cde1b3e19d952e6d84533662 (patch) | |
| tree | 60ae0e971de884cd10e07fbd3452f563cad48924 /tools/perf/scripts/python/sched-migration.py | |
| parent | 86d3efce2c37d3fb98f75f56f21e6ab75c745bb6 (diff) | |
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 <[email protected]>
Bugzilla: https://bugzilla.freedesktop.org/show_bug.cgi?id=60391
Signed-off-by: Chris Wilson <[email protected]>
Tested-by: Nathan Myers <[email protected]>
[danvet: Remove cc: stable and add tested-by.]
Signed-off-by: Daniel Vetter <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sched-migration.py')
0 files changed, 0 insertions, 0 deletions