From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Tue, 11 Jul 2017 16:33:13 +0200
Subject: drm/atomic: Add __must_check to drm_atomic_helper_swap_state.
Git-commit: 8a39374ef8b849dfd18e7d8dd52ef8ffee0f1042
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
include/drm/drm_atomic_helper.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -86,7 +86,8 @@ void
drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state,
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 */
int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,