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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2018-03-21 11:20:24 +0100
committerTomi Valkeinen <tomi.valkeinen@ti.com>2018-03-28 08:45:43 +0200
commit49efffc7fbd48d5ea3d0dd60c218c7502d4a179d (patch)
treec70bd6cbff1e3d4ce5ae91e2119ce15ce77807db /include/drm/drm_plane.h
parentdrm: make drm_core_check_feature() bool that it is (diff)
downloadlinux-49efffc7fbd48d5ea3d0dd60c218c7502d4a179d.tar.xz
linux-49efffc7fbd48d5ea3d0dd60c218c7502d4a179d.zip
drm: Add drm_mode_config->normalize_zpos boolean
Instead of drivers duplicating the drm_atomic_helper_check() code to be able to normalize the zpos they can use the normalize_zpos flag to let the drm core to do it. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180321102029.15248-2-peter.ujfalusi@ti.com
Diffstat (limited to 'include/drm/drm_plane.h')
-rw-r--r--include/drm/drm_plane.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index f7bf4a48b1c3..d6da26d66a4b 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -51,8 +51,8 @@ struct drm_modeset_acquire_ctx;
* plane with a lower ID.
* @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1
* where N is the number of active planes for given crtc. Note that
- * the driver must call drm_atomic_normalize_zpos() to update this before
- * it can be trusted.
+ * the driver must set drm_mode_config.normalize_zpos or call
+ * drm_atomic_normalize_zpos() to update this before it can be trusted.
* @src: clipped source coordinates of the plane (in 16.16)
* @dst: clipped destination coordinates of the plane
* @state: backpointer to global drm_atomic_state