From 645e752c5a84baeb21015cdc85fc05b7d16312c8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:13:52 +0000
Subject: [PATCH] disable i2c1

---
 kernel/drivers/gpu/drm/rockchip/rk628/rk628_dsi.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/gpu/drm/rockchip/rk628/rk628_dsi.c b/kernel/drivers/gpu/drm/rockchip/rk628/rk628_dsi.c
index 2ada423..fc7da77 100644
--- a/kernel/drivers/gpu/drm/rockchip/rk628/rk628_dsi.c
+++ b/kernel/drivers/gpu/drm/rockchip/rk628/rk628_dsi.c
@@ -637,6 +637,9 @@
 	u32 val;
 	int ret;
 
+	if (!vrefresh)
+		return -EINVAL;
+
 	ret = regmap_read_poll_timeout(dsi->regmap,
 				       dsi->reg_base + DSI_CMD_PKT_STATUS,
 				       val, !(val & GEN_RD_CMD_BUSY),

--
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