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author | Abhinav Kumar <abhinavk@codeaurora.org> | 2017-03-24 21:54:23 -0700 |
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committer | Yunyun Cao <yunyunc@codeaurora.org> | 2017-04-20 17:49:21 +0800 |
commit | 13b76dbaebba4530e7738003f269dd8b19d9af86 (patch) | |
tree | b8d4f2aef1a33fd5787e4c0490f3249def063809 /sound/oss/msnd_classic.c | |
parent | e206db34cbe3a8b14bd44bbc37dee5d970eba1e3 (diff) |
drm/msm/sde: remove redundant CRTC event caching
Currently both sde_crtc_atomic_begin() and
sde_crtc_atomic_flush() add the CRTC state event
to the cached sde_crtc->event.
This has a potential NULL ptr issue in the
case of vblank event firing in between sde_crtc_atomic_begin() and
sde_crtc_atomic_flush() because the upstream DRM vblank API
send_vblank_event() doesn't consider the case when the VBLANK
interrupt could have already freed any pending vblank events.
Remove the caching from sde_crtc_atomic_begin() to avoid this
condition.
Also make sure that a page_flip event was indeed submitted before
signaling the complete_flip() by setting a PENDING_FLIP flag right
after HW flush.
Change-Id: Ib201d2851e57bf22ec1f00814fc2e4dd2f35bfa1
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Yunyun Cao <yunyunc@codeaurora.org>
Diffstat (limited to 'sound/oss/msnd_classic.c')
0 files changed, 0 insertions, 0 deletions