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drm/gem: Tiny kernel clarification for drm_gem_fence_array_add

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Spotted while trying to convert panfrost to these.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210622165511.3169559-15-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2021-06-22 18:55:10 +02:00
parent 379d342646
commit d7fdae5991
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/drm_gem.c
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@ -1302,6 +1302,9 @@ EXPORT_SYMBOL(drm_gem_unlock_reservations);
* @fence_array: array of dma_fence * for the job to block on.
* @fence: the dma_fence to add to the list of dependencies.
*
* This functions consumes the reference for @fence both on success and error
* cases.
*
* Returns:
* 0 on success, or an error on failing to expand the array.
*/