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| author | Qiang Yu <Qiang.Yu@amd.com> | 2018-09-03 14:55:09 +0800 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2018-09-03 10:55:53 +0200 |
| commit | 937d62ea69a839e231658ef026c8bbfde8fd4a40 (patch) | |
| tree | 28d6730f553d4eb69f6003b8928ed644d66f58ec | |
| parent | f17725108809efaaf139f141808d537d14db3708 (diff) | |
| download | external_libdrm-937d62ea69a839e231658ef026c8bbfde8fd4a40.tar.gz external_libdrm-937d62ea69a839e231658ef026c8bbfde8fd4a40.tar.bz2 external_libdrm-937d62ea69a839e231658ef026c8bbfde8fd4a40.zip | |
amdgpu: add amdgpu_bo_inc_ref() function.
For Pro OGL be able to work with upstream libdrm.
Signed-off-by: Qiang Yu <Qiang.Yu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
| -rwxr-xr-x | amdgpu/amdgpu-symbol-check | 1 | ||||
| -rw-r--r-- | amdgpu/amdgpu.h | 15 | ||||
| -rw-r--r-- | amdgpu/amdgpu_bo.c | 6 |
3 files changed, 21 insertions, 1 deletions
diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check index b5e4fe60..487610e0 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 a8c353c6..e1f93f8e 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 a2fc5250..dceab010 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; |