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drm/atomic: Return commit in drm_crtc_commit_get for better annotation

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This will allow code to do x->commit = drm_crtc_commit_get(commit),
making it clearer where references are used.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170904104838.23822-5-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2017-09-04 12:48:36 +02:00
parent b44d5c0c10
commit f46640b931
2 changed files with 6 additions and 3 deletions
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3
drivers/gpu/drm/drm_atomic_helper.c
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@ -1633,8 +1633,7 @@ static int stall_checks(struct drm_crtc *crtc, bool nonblock)
return -EBUSY;
}
} else if (i == 1) {
stall_commit = commit;
drm_crtc_commit_get(stall_commit);
stall_commit = drm_crtc_commit_get(commit);
break;
}

6
include/drm/drm_atomic.h
View File

@ -252,10 +252,14 @@ void __drm_crtc_commit_free(struct kref *kref);
* @commit: CRTC commit
*
* Increases the reference of @commit.
*
* Returns:
* The pointer to @commit, with reference increased.
*/
static inline void drm_crtc_commit_get(struct drm_crtc_commit *commit)
static inline struct drm_crtc_commit *drm_crtc_commit_get(struct drm_crtc_commit *commit)
{
kref_get(&commit->ref);
return commit;
}
/**