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From 3f09e76499c2c46dcb73f2e544866b48ae58d08f Mon Sep 17 00:00:00 2001
From: Bibby Hsieh <bibby.hsieh@mediatek.com>
Date: Mon, 17 Feb 2020 17:10:20 +0800
Subject: drm/mediatek: Move gce event property to mutex device node
Git-commit: 60fa8c13ab1a33b8b958efb1510ec2fd8a064bcc
Patch-mainline: v5.6-rc5
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

According mtk hardware design, stream_done0 and stream_done1 are
generated by mutex, so we move gce event property to mutex device mode.

Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 01e37742dcea..debcd8e5658a 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -836,7 +836,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
 			drm_crtc_index(&mtk_crtc->base));
 		mtk_crtc->cmdq_client = NULL;
 	}
-	ret = of_property_read_u32_index(dev->of_node, "mediatek,gce-events",
+	ret = of_property_read_u32_index(priv->mutex_node,
+					 "mediatek,gce-events",
 					 drm_crtc_index(&mtk_crtc->base),
 					 &mtk_crtc->cmdq_event);
 	if (ret)
-- 
2.28.0