From: Jeykumar Sankaran <jsanka@codeaurora.org>
Date: Mon, 11 Jun 2018 14:13:20 -0700
Subject: drm/msm: enable zpos normalization
Git-commit: bb676df12b5e81cab57d1a212a6e9cfc343875a7
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Enable drm core zpos normalization for planes.

Changes in v3:
- None

Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/msm/msm_drv.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -439,6 +439,9 @@ static int msm_drm_init(struct device *d
 		goto fail;
 	}
 
+	/* Enable normalization of plane zpos */
+	ddev->mode_config.normalize_zpos = true;
+
 	if (kms) {
 		ret = kms->funcs->hw_init(kms);
 		if (ret) {