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drm: Add drm_mode_config->normalize_zpos boolean

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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
This commit is contained in:
Peter Ujfalusi
2018-03-21 12:20:24 +02:00
committed by Tomi Valkeinen
parent f4392860b4
commit 49efffc7fb
3 changed files with 21 additions and 2 deletions
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8
include/drm/drm_mode_config.h
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@@ -795,6 +795,14 @@ struct drm_mode_config {
*/
bool allow_fb_modifiers;
/**
* @normalize_zpos:
*
* If true the drm core will call drm_atomic_normalize_zpos() as part of
* atomic mode checking from drm_atomic_helper_check()
*/
bool normalize_zpos;
/**
* @modifiers_property: Plane property to list support modifier/format
* combination.