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drm/amdgpu/vcn2.5: stall DPG when WPTR/RPTR reset
authorJames Zhu <James.Zhu@amd.com>
Tue, 18 Feb 2020 22:46:29 +0000 (17:46 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 1 Apr 2020 18:44:45 +0000 (14:44 -0400)
commitad9469fb5b3ce2a004e95637ff4387b47d853713
tree62b0886fa1072163560287632e6708fe114e214ctree
parentef563ff403404ef2f234abe79bdd9f04ab6481c9commit | diff
drm/amdgpu/vcn2.5: stall DPG when WPTR/RPTR reset

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>
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c diff | blob | blame | history
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