From: Jack Xiao <Jack.Xiao@xxxxxxx>
Implement suspending all gangs.
Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 25 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 2 ++
2 files changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 07ddf7bf6a3b..e64f2a4b5a3b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -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;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index f401a0a3eebd..667fc9f9b21b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -230,4 +230,6 @@ 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__ */
--
2.35.1
