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drm/amdgpu/mes: implement suspending all gangs

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Implement suspending 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 16:41:56 +08:00 committed by Alex Deucher
parent b0306e5840
commit c8bb10572c
2 changed files with 27 additions and 0 deletions
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25
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -446,3 +446,28 @@ int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id)
mutex_unlock(&adev->mes.mutex);
return 0;
}
int amdgpu_mes_suspend(struct amdgpu_device *adev)
{
struct idr *idp;
struct amdgpu_mes_process *process;
struct amdgpu_mes_gang *gang;
struct mes_suspend_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->suspend_gang(&adev->mes, &input);
if (r)
DRM_ERROR("failed to suspend pasid %d gangid %d",
pasid, gang->gang_id);
}
}
mutex_unlock(&adev->mes.mutex);
return 0;
}

2
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -231,4 +231,6 @@ int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
int *gang_id);
int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id);
int amdgpu_mes_suspend(struct amdgpu_device *adev);
#endif /* __AMDGPU_MES_H__ */