From: Luca Weiss <luca.weiss@fairphone.com>
Date: Tue, 30 Sep 2025 07:37:22 +0000 (+0200)
Subject: arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss
X-Git-Tag: v6.19-rc1~100^2~14^2~88
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b4faf419d601cead68d7821618369e2c0338b86;p=thirdparty%2Flinux.git

arm64: dts: qcom: sm8250: Add MDSS_CORE reset to mdss

Like on other platforms, if the OS does not support recovering the state
left by the bootloader it needs access to MDSS_CORE, so that it can
clear the MDSS configuration. Add a reference to the relevant reset.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> # RB5
Link: https://lore.kernel.org/r/20250930-sm8250-mdss-reset-v1-1-a64522d91f12@fairphone.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 8248ac3119f12..d30b3bc2db9e1 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -4684,6 +4684,8 @@
 
 			iommus = <&apps_smmu 0x820 0x402>;
 
+			resets = <&dispcc DISP_CC_MDSS_CORE_BCR>;
+
 			status = "disabled";
 
 			#address-cells = <2>;