Just a bit of drive-by ocd.
v2: Improve per Liviu's feedback.
Cc: Liviu Dudau <Liviu.Dudau@xxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
include/drm/drm_atomic.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index d12cfb9c6062..a16861c882aa 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -198,6 +198,16 @@ int __must_check drm_atomic_nonblocking_commit(struct drm_atomic_state *state);
(plane_state) = (__state)->planes[__i].state, 1); \
(__i)++) \
for_each_if (plane_state)
+
+/**
+ * drm_atomic_crtc_needs_modeset - compute combined modeset need
+ * @state: &drm_crtc_state for the CRTC
+ *
+ * To give drivers flexibility struct &drm_crtc_state has 3 booleans to track
+ * whether the state CRTC changed enough to need a full modeset cycle:
+ * connectors_changed, mode_changed and active_change. This helper simply
+ * combines these three to compute the overall need for a modeset for @state.
+ */
static inline bool
drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
{
--
2.8.1
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