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drm/atomic: add drm_atomic_add_affected_planes

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This is a convenience function to add all planes for a crtc,
similar to add_affected_connectors. This will be used in
drm_atomic_helper_check_modeset, but drivers can call it too
when they need to recalculate all state.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[danvet: Amend kerneldoc a bit.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2015-05-19 16:41:02 +02:00 • committed by Daniel Vetter
commit e01e9f75a0
2 changed files with 43 additions and 0 deletions
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4
include/drm/drm_atomic.h
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@ -120,6 +120,10 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
int __must_check
drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
struct drm_crtc *crtc);
int __must_check
drm_atomic_add_affected_planes(struct drm_atomic_state *state,
struct drm_crtc *crtc);
int
drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
struct drm_crtc *crtc);