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drm/amdgpu/vcn4: read back register after written
authorDavid (Ming Qiang) Wu <David.Wu3@amd.com>
Wed, 14 May 2025 22:55:27 +0000 (18:55 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 29 May 2025 14:56:10 +0000 (10:56 -0400)
commita3810a5e37c58329aa2c7992f3172a423f4ae194
treed1c503bf966d6cc58c180dc7f7379d3c1bbbd60dtree
parentb7a4842a917e3a251b5a6aa1a21a5daf6d396ef3commit | diff
drm/amdgpu/vcn4: read back register after written

The addition of register read-back in VCN v4.0.0 is intended to prevent
potential race conditions.

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c diff | blob | history
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