drm/amdgpu/vcn2.5: stall DPG when WPTR/RPTR reset

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Add vcn dpg harware synchronization to fix race condition
issue between vcn driver and hardware.

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

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James Zhu 2020-02-18 17:46:29 -05:00 • committed by Alex Deucher

parent ef563ff403

commit ad9469fb5b

1 changed files with 21 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c

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