On 09/03/2018 02:55 PM, Qiang Yu wrote:
> For Pro OGL be able to work with upstream libdrm.
>
> Signed-off-by: Qiang Yu <Qiang.Yu at amd.com>
> Reviewed-by: Christian König <christian.koenig at amd.com>
I'm fine with that, not sure if mesa is going to use that as well.
Reviewed-by: Junwei Zhang <Jerry.Zhang at amd.com>
Regards,
Jerry
> ---
> amdgpu/amdgpu-symbol-check | 1 +
> amdgpu/amdgpu.h | 15 ++++++++++++++-
> amdgpu/amdgpu_bo.c | 6 ++++++
> 3 files changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
> index b5e4fe6..487610e 100755
> --- a/amdgpu/amdgpu-symbol-check
> +++ b/amdgpu/amdgpu-symbol-check
> @@ -15,6 +15,7 @@ amdgpu_bo_cpu_map
> amdgpu_bo_cpu_unmap
> amdgpu_bo_export
> amdgpu_bo_free
> +amdgpu_bo_inc_ref
> amdgpu_bo_import
> amdgpu_bo_list_create
> amdgpu_bo_list_destroy
> diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
> index a8c353c..e1f93f8 100644
> --- a/amdgpu/amdgpu.h
> +++ b/amdgpu/amdgpu.h
> @@ -721,7 +721,20 @@ int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
> int amdgpu_bo_free(amdgpu_bo_handle buf_handle);
>
> /**
> - * Request CPU access to GPU accessible memory
> + * Increase the reference count of a buffer object
> + *
> + * \param bo - \c [in] Buffer object handle to increase the reference count
> + *
> + * \return 0 on success\n
> + * <0 - Negative POSIX Error code
> + *
> + * \sa amdgpu_bo_alloc(), amdgpu_bo_free()
> + *
> +*/
> +int amdgpu_bo_inc_ref(amdgpu_bo_handle bo);
> +
> +/**
> + * Request CPU access to GPU accessable memory
> *
> * \param buf_handle - \c [in] Buffer handle
> * \param cpu - \c [out] CPU address to be used for access
> diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c
> index a2fc525..dceab01 100644
> --- a/amdgpu/amdgpu_bo.c
> +++ b/amdgpu/amdgpu_bo.c
> @@ -438,6 +438,12 @@ int amdgpu_bo_free(amdgpu_bo_handle buf_handle)
> return 0;
> }
>
> +int amdgpu_bo_inc_ref(amdgpu_bo_handle bo)
> +{
> + atomic_inc(&bo->refcount);
> + return 0;
> +}
> +
> int amdgpu_bo_cpu_map(amdgpu_bo_handle bo, void **cpu)
> {
> union drm_amdgpu_gem_mmap args;
>
