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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2017-07-11 16:33:04 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-07-26 13:22:40 +0200
commitc066d2310ae9bbc695c06e9237f6ea741ec35e43 (patch)
tree8bc1ef362e7cb85f4515c85bff2dd2f350bced77 /include
parent813a7e1604eaad1c2792d37d402e1b48b8d0eb3f (diff)
downloadlinux-c066d2310ae9bbc695c06e9237f6ea741ec35e43.tar.bz2
drm/atomic: Change drm_atomic_helper_swap_state to return an error.
We want to change swap_state to wait indefinitely, but to do this swap_state should wait interruptibly. This requires propagating the error to each driver. Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-3-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> [mlankhorst: Fix typos in swap_state documentation (seanpaul)] Reviewed-by: Sean Paul <seanpaul@chromium.org>] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include')
-rw-r--r--include/drm/drm_atomic_helper.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 7db3438ff735..547480692470 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -86,8 +86,7 @@ void
drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state,
bool atomic);
-void drm_atomic_helper_swap_state(struct drm_atomic_state *state,
- bool stall);
+int 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,