drm/msm: Grab a vblank reference when waiting for commit_done
authorSean Paul <seanpaul@chromium.org>
Wed, 3 Oct 2018 20:22:31 +0000 (16:22 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 21 Dec 2018 13:13:12 +0000 (14:13 +0100)
commit5094dea5acab748453e75fcb53db6fe9ce629ab7
tree70916e3c1eea01033363c156666dbad78f6731fb
parent81710cedad2fa7ea3221cdf77bcb1d39683f07ac
drm/msm: Grab a vblank reference when waiting for commit_done

[ Upstream commit 3b712e43e3876b42b38321ecf790a1f5fe59c834 ]

Similar to the atomic helpers, we should enable vblank while we're
waiting for the commit to finish. DPU needs this, MDP5 seems to work
fine without it.

Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/msm/msm_atomic.c