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drm/amdgpu/mes: implement resuming all gangs

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Implement resuming all gangs.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2020-03-27 16:43:28 +08:00 committed by Alex Deucher
parent c8bb10572c
commit ea756bd5cc
2 changed files with 26 additions and 0 deletions
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25
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -471,3 +471,28 @@ int amdgpu_mes_suspend(struct amdgpu_device *adev)
mutex_unlock(&adev->mes.mutex);
return 0;
}
int amdgpu_mes_resume(struct amdgpu_device *adev)
{
struct idr *idp;
struct amdgpu_mes_process *process;
struct amdgpu_mes_gang *gang;
struct mes_resume_gang_input input;
int r, pasid;
mutex_lock(&adev->mes.mutex);
idp = &adev->mes.pasid_idr;
idr_for_each_entry(idp, process, pasid) {
list_for_each_entry(gang, &process->gang_list, list) {
r = adev->mes.funcs->resume_gang(&adev->mes, &input);
if (r)
DRM_ERROR("failed to resume pasid %d gangid %d",
pasid, gang->gang_id);
}
}
mutex_unlock(&adev->mes.mutex);
return 0;
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -232,5 +232,6 @@ int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id);
int amdgpu_mes_suspend(struct amdgpu_device *adev);
int amdgpu_mes_resume(struct amdgpu_device *adev);
#endif /* __AMDGPU_MES_H__ */