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asedeno.scripts.mit.edu Git - linux.git/commit
drm/i915: Rebind bo if currently bound with incorrect alignment.
Whilst pinning the buffer, check that that its current alignment
matches the requested alignment. If it does not, rebind.
This should clear up any final render errors whilst resuming,
for reference:
Bug 27070 - [i915] Page table errors with empty ringbuffer
https://bugs.freedesktop.org/show_bug.cgi?id=27070
Bug 15502 - render error detected, EIR: 0x00000010
https://bugzilla.kernel.org/show_bug.cgi?id=15502
Bug 13844 - i915 error: "render error detected"
https://bugzilla.kernel.org/show_bug.cgi?id=13844
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>