Just a bit of drive-by ocd.
v2: Improve per Liviu's feedback.
Cc: Liviu Dudau Liviu.Dudau@arm.com Signed-off-by: Daniel Vetter daniel.vetter@intel.com --- 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) {