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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-01-20 16:11:20 (GMT) |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-01-22 23:58:22 (GMT) |
| commit | 1c8c38c588ea91f8deeae21284840459d1bb58e3 (patch) | |
| tree | d712ba6c0702c7950e540d40608c584c8e64312e /include/xen/swiotlb-xen.h | |
| parent | 014b34409fb2015f63663b6cafdf557fdf289628 (diff) | |
| download | linux-fsl-qoriq-1c8c38c588ea91f8deeae21284840459d1bb58e3.tar.xz | |
drm/i915: Disable AsyncFlip performance optimisations
This is a required workarounds for all products, especially on gen6+
where it causes the command streamer to fail to parse instructions
following a WAIT_FOR_EVENT. We use WAIT_FOR_EVENT for synchronising
between the GPU and the display engines, and so this bit being unset may
cause hangs.
References: https://bugzilla.kernel.org/show_bug.cgi?id=52311
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/xen/swiotlb-xen.h')
0 files changed, 0 insertions, 0 deletions