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path: root/drivers/gpu/drm/stm
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Diffstat (limited to 'drivers/gpu/drm/stm')
-rw-r--r--drivers/gpu/drm/stm/ltdc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 195de30eb90c..bd603ef5e935 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -1024,6 +1024,8 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
return -EINVAL;
}
+ drm_plane_create_zpos_immutable_property(primary, 0);
+
ret = drm_crtc_init_with_planes(ddev, crtc, primary, NULL,
&ltdc_crtc_funcs, NULL);
if (ret) {
@@ -1046,6 +1048,7 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
DRM_ERROR("Can not create overlay plane %d\n", i);
goto cleanup;
}
+ drm_plane_create_zpos_immutable_property(overlay, i);
}
return 0;