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Signed-off-by: Jack Xiao Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- 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