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drm/amdgpu: vcn and jpeg ring synchronization

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Synchronize the ring usage for vcn1 and jpeg1 to workaround a hardware bug.

Signed-off-by: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Veerabadhran G
2020-10-08 22:30:02 +05:30
committed by Alex Deucher
parent 83da6eea3a
commit 187561dd76
5 changed files with 51 additions and 7 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
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@@ -220,6 +220,7 @@ struct amdgpu_vcn {
struct amdgpu_vcn_inst inst[AMDGPU_MAX_VCN_INSTANCES];
struct amdgpu_vcn_reg internal;
struct mutex vcn_pg_lock;
struct mutex vcn1_jpeg1_workaround;
atomic_t total_submission_cnt;
unsigned harvest_config;