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drm/atomic: Add __must_check to drm_atomic_helper_swap_state.

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Now that all drivers check the return value, convert swap_state to
__must_check. This is done separately to force build warnings if we
missed a driver.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-12-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2017-07-11 16:33:13 +02:00 committed by Daniel Vetter
parent d68bc0e75a
commit 8a39374ef8
1 changed files with 2 additions and 1 deletions
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3
include/drm/drm_atomic_helper.h
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@ -86,7 +86,8 @@ void
drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state, drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state,
bool atomic); bool atomic);
int drm_atomic_helper_swap_state(struct drm_atomic_state *state, bool stall); int __must_check drm_atomic_helper_swap_state(struct drm_atomic_state *state,
bool stall);
/* nonblocking commit helpers */ /* nonblocking commit helpers */
int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,