[PATCH v2 4/6] drm/sti: Let core take care of normalizing the zpos

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Instead of re-implementing the drm_atomic_helper_check() locally with just
adding drm_atomic_normalize_zpos() into it, set the
drm_device->normalize_zpos.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
CC: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
CC: Vincent Abriou <vincent.abriou@xxxxxx>
Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/sti/sti_drv.c | 24 +++---------------------
 1 file changed, 3 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index 55b6967d27e1..90c46b49c931 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -119,30 +119,10 @@ static int sti_drm_dbg_init(struct drm_minor *minor)
 	return ret;
 }
 
-static int sti_atomic_check(struct drm_device *dev,
-			    struct drm_atomic_state *state)
-{
-	int ret;
-
-	ret = drm_atomic_helper_check_modeset(dev, state);
-	if (ret)
-		return ret;
-
-	ret = drm_atomic_normalize_zpos(dev, state);
-	if (ret)
-		return ret;
-
-	ret = drm_atomic_helper_check_planes(dev, state);
-	if (ret)
-		return ret;
-
-	return ret;
-}
-
 static const struct drm_mode_config_funcs sti_mode_config_funcs = {
 	.fb_create = drm_gem_fb_create,
 	.output_poll_changed = drm_fb_helper_output_poll_changed,
-	.atomic_check = sti_atomic_check,
+	.atomic_check = drm_atomic_helper_check,
 	.atomic_commit = drm_atomic_helper_commit,
 };
 
@@ -160,6 +140,8 @@ static void sti_mode_config_init(struct drm_device *dev)
 	dev->mode_config.max_height = STI_MAX_FB_HEIGHT;
 
 	dev->mode_config.funcs = &sti_mode_config_funcs;
+
+	dev->mode_config.normalize_zpos = true;
 }
 
 DEFINE_DRM_GEM_CMA_FOPS(sti_driver_fops);
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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