From: Jack Xiao <Jack.Xiao@xxxxxxx>
Free the mes gang and its resources.
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 | 30 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 1 +
2 files changed, 31 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 74385e4b45c4..07ddf7bf6a3b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -416,3 +416,33 @@ int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
mutex_unlock(&adev->mes.mutex);
return r;
}
+
+int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id)
+{
+ struct amdgpu_mes_gang *gang;
+
+ mutex_lock(&adev->mes.mutex);
+
+ gang = idr_find(&adev->mes.gang_id_idr, gang_id);
+ if (!gang) {
+ DRM_ERROR("gang id %d doesn't exist\n", gang_id);
+ mutex_unlock(&adev->mes.mutex);
+ return -EINVAL;
+ }
+
+ if (!list_empty(&gang->queue_list)) {
+ DRM_ERROR("queue list is not empty\n");
+ mutex_unlock(&adev->mes.mutex);
+ return -EBUSY;
+ }
+
+ idr_remove(&adev->mes.gang_id_idr, gang->gang_id);
+ amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
+ &gang->gang_ctx_gpu_addr,
+ &gang->gang_ctx_cpu_ptr);
+ list_del(&gang->list);
+ kfree(gang);
+
+ 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 3109bd1db6bc..f401a0a3eebd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -228,5 +228,6 @@ void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid);
int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
struct amdgpu_mes_gang_properties *gprops,
int *gang_id);
+int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id);
#endif /* __AMDGPU_MES_H__ */
--
2.35.1
