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b9a572f471
It's not obvious off-hand which CRTCs will get a page-flip event when using this flag in an atomic commit, because it's all implicitly implied based on the contents of the atomic commit. Document requirements for using this flag and how to request an event for a CRTC. Note, because prepare_signaling() runs right after drm_atomic_set_property() calls, page-flip events are not delivered for CRTCs pulled in later by DRM core (e.g. on modeset by drm_atomic_helper_check_modeset()) or the driver (e.g. other CRTCs sharing a DP-MST connector). v2: fix cut off sentence in commit message (Pekka) Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Simona Vetter <simona@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Pekka Paalanen <pekka.paalanen@collabora.com> Cc: David Turner <david.turner@raspberrypi.com> Cc: Daniel Stone <daniel@fooishbar.org> Link: https://lore.kernel.org/r/20250501112945.6448-1-contact@emersion.fr |
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