Commit e3652b09 authored by Jack Xiao's avatar Jack Xiao Committed by Alex Deucher
Browse files

drm/amdgpu/mes: add helper functions to alloc/free ctx metadata 



Add the helper functions to allocate/free context metadata.

Signed-off-by: default avatarJack Xiao <Jack.Xiao@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9cc654c8

drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c

+25 −0
Original line number Diff line number Diff line
@@ -857,3 +857,28 @@ void amdgpu_mes_remove_ring(struct amdgpu_device *adev, 
	amdgpu_ring_fini(ring);

	kfree(ring);

}



int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,

				   struct amdgpu_mes_ctx_data *ctx_data)

{

	int r;



	r = amdgpu_bo_create_kernel(adev,

			    sizeof(struct amdgpu_mes_ctx_meta_data),

			    PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,

			    &ctx_data->meta_data_obj, NULL,

			    &ctx_data->meta_data_ptr);

	if (!ctx_data->meta_data_obj)

		return -ENOMEM;



	memset(ctx_data->meta_data_ptr, 0,

	       sizeof(struct amdgpu_mes_ctx_meta_data));



	return 0;

}



void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data)

{

	if (ctx_data->meta_data_obj)

		amdgpu_bo_free_kernel(&ctx_data->meta_data_obj, NULL, NULL);

}

drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h

+4 −0
Original line number Diff line number Diff line
@@ -262,4 +262,8 @@ int amdgpu_mes_add_ring(struct amdgpu_device *adev, int gang_id, 
void amdgpu_mes_remove_ring(struct amdgpu_device *adev,

			    struct amdgpu_ring *ring);



int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,

				   struct amdgpu_mes_ctx_data *ctx_data);

void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data);



#endif /* __AMDGPU_MES_H__ */