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drm/amdgpu/vcn: add shared memory restore after wake up from sleep.

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VCN shared memory needs restore after wake up during S3 test.

v2: Allocate shared memory saved_bo at sw_init and free it in sw_fini.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu
2020-04-02 23:25:45 -04:00
committed by Alex Deucher
parent 2a20e630f8
commit 21b704d783
2 changed files with 28 additions and 1 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
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@@ -194,6 +194,7 @@ struct amdgpu_vcn_inst {
atomic_t dpg_enc_submission_cnt;
void *fw_shared_cpu_addr;
uint64_t fw_shared_gpu_addr;
void *saved_shm_bo;
};
struct amdgpu_vcn {