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drm: expand drm_syncobj_find_fence to support timeline point v2

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we can fetch timeline point fence after expanded.
v2: The parameter fence is the result of the function and should come last.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/246541/
This commit is contained in:
Chunming Zhou 2018-08-30 14:48:29 +08:00 • committed by Christian König
parent e28bd101ae
commit 0a6730ea27
5 changed files with 8 additions and 7 deletions
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5
drivers/gpu/drm/drm_syncobj.c
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@ -222,6 +222,7 @@ static int drm_syncobj_assign_null_handle(struct drm_syncobj *syncobj)
* drm_syncobj_find_fence - lookup and reference the fence in a sync object
* @file_private: drm file private pointer
* @handle: sync object handle to lookup.
* @point: timeline point
* @fence: out parameter for the fence
*
* This is just a convenience function that combines drm_syncobj_find() and
@ -232,7 +233,7 @@ static int drm_syncobj_assign_null_handle(struct drm_syncobj *syncobj)
* dma_fence_put().
*/
int drm_syncobj_find_fence(struct drm_file *file_private,
u32 handle,
u32 handle, u64 point,
struct dma_fence **fence)
{
struct drm_syncobj *syncobj = drm_syncobj_find(file_private, handle);
@ -503,7 +504,7 @@ static int drm_syncobj_export_sync_file(struct drm_file *file_private,
if (fd < 0)
return fd;
ret = drm_syncobj_find_fence(file_private, handle, &fence);
ret = drm_syncobj_find_fence(file_private, handle, 0, &fence);
if (ret)
goto err_put_fd;