drm/amdgpu/vcn:Add ring W/R PTR check for VCN DPG mode stop

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Add ring write/read pointer check for VCN dynamic power gate mode
stop,to make sure that no job is left in ring before turn off DPG mode.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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James Zhu 2018-10-03 17:36:58 -04:00 • committed by Alex Deucher

parent 5866fb929c

commit 15296db706

1 changed files with 10 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c

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