From: Jack Xiao <Jack.Xiao@xxxxxxx>
Add the helper functions to allocate/free context metadata.
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 | 4 ++++
2 files changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index fa43a7e3c9ab..6c01581e3a7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -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);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index 37232b396b06..50d490e69cb7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -261,4 +261,8 @@ 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__ */
--
2.35.1
