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(parent: 5664512) | patch
drm/vc4: Fix race between page flip completion event and clean-up
authorDerek Foreman <derekf@osg.samsung.com>
Thu, 24 Nov 2016 18:11:55 +0000 (12:11 -0600)
committerpopcornmix <popcornmix@gmail.com>
Mon, 20 Feb 2017 20:31:43 +0000 (20:31 +0000)
commit69a3bcb14950561392b0bb3b0b398ddada3400b7
tree56e9e4e0331b248bdbd50a899b18fcf3efb72e79tree | snapshot
parent5664512a5d3cc69cbb7aa4e7d5b8236e1ed8f74dcommit | diff
drm/vc4: Fix race between page flip completion event and clean-up

There was a small window where a userspace program could submit
a pageflip after receiving a pageflip completion event yet still
receive EBUSY.

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
(cherry picked from commit 26fc78f6fef39b9d7a15def5e7e9826ff68303f4)
drivers/gpu/drm/vc4/vc4_crtc.c diff | blob | history
drivers/gpu/drm/vc4/vc4_drv.h diff | blob | history
drivers/gpu/drm/vc4/vc4_kms.c diff | blob | history
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