drm/amdgpu/dce8: optimize pageflip
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 22 Oct 2015 18:08:35 +0000 (14:08 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 23 Oct 2015 16:51:23 +0000 (12:51 -0400)
commit82326860b3ee58db33536a3e29675e28603f661c
treed0de39313e2043fe4725bdce485511ca6860eb60
parented885b210752563b5e90dc0933e262f768ea9fa4
drm/amdgpu/dce8: optimize pageflip

Taking the grph update lock is only necessary when
updating the the secondary address (for single pipe stereo).

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c