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@xxxxxx>
---
drivers/gpu/drm/drm_atomic_helper.c | 6 ++++++
include/drm/drm_device.h | 8 ++++++++
2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index ab4032167094..143cab4b2a89 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -885,6 +885,12 @@ int drm_atomic_helper_check(struct drm_device *dev,
if (ret)
return ret;
+ if (dev->normalize_zpos) {
+ ret = drm_atomic_normalize_zpos(dev, state);
+ if (ret)
+ return ret;
+ }
+
ret = drm_atomic_helper_check_planes(dev, state);
if (ret)
return ret;
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index 7c4fa32f3fc6..9c45d1155bfd 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -121,6 +121,14 @@ struct drm_device {
*/
bool vblank_disable_immediate;
+ /**
+ * @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;
+
/**
* @vblank:
*
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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