drm/atomic: Make drm_atomic_plane_disabling easier to understand.
This function becomes a lot simpler when having passed both the old and
new state to it. Looking at all callers, it seems that old_plane_state
is never NULL so the check can be dropped.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487256430-7625-3-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index aa1e760..bc96d31 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1764,7 +1764,8 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev,
if (!funcs)
continue;
- disabling = drm_atomic_plane_disabling(plane, old_plane_state);
+ disabling = drm_atomic_plane_disabling(old_plane_state,
+ new_plane_state);
if (active_only) {
/*
@@ -1859,11 +1860,11 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state)
WARN_ON(plane->state->crtc && plane->state->crtc != crtc);
- if (drm_atomic_plane_disabling(plane, old_plane_state) &&
+ if (drm_atomic_plane_disabling(old_plane_state, plane->state) &&
plane_funcs->atomic_disable)
plane_funcs->atomic_disable(plane, old_plane_state);
else if (plane->state->crtc ||
- drm_atomic_plane_disabling(plane, old_plane_state))
+ drm_atomic_plane_disabling(old_plane_state, plane->state))
plane_funcs->atomic_update(plane, old_plane_state);
}