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authorNicholas Kazlauskas <nicholas.kazlauskas@amd.com>2019-07-31 09:45:16 -0400
committerAlex Deucher <alexander.deucher@amd.com>2019-08-02 10:30:38 -0500
commit43d10d30df156f7834fa91aecb69614fefc8bb0a (patch)
tree38fc438eacabe70c09da3ddf7999792e472a8909 /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
parentdrm/amd/display: Allow cursor async updates for framebuffer swaps (diff)
downloadlinux-dev-43d10d30df156f7834fa91aecb69614fefc8bb0a.tar.xz
linux-dev-43d10d30df156f7834fa91aecb69614fefc8bb0a.zip
drm/amd/display: Skip determining update type for async updates
[Why] By passing through the dm_determine_update_type_for_commit for atomic commits that can be done asynchronously we are incurring a performance penalty by locking access to the global private object and holding that access until the end of the programming sequence. This is also allocating a new large dc_state on every access in addition to retaining all the references on each stream and plane until the end of the programming sequence. [How] Shift the determination for async update before validation. Return early if it's going to be an async update. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: David Francis <david.francis@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
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