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

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Add the helper functions to allocate/free context metadata.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2020-03-27 18:11:15 +08:00 committed by Alex Deucher
parent 9cc654c8ce
commit e3652b0976
2 changed files with 29 additions and 0 deletions
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25
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -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);
}

4
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -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__ */