[PATCH v2 2/8] arm64: dts: qcom: sm8150: make dispcc cast minimal vote on MMCX

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Mon Dec 11 15:44:39 UTC 2023


Add required-opps property to the display clock controller. This makes
it cast minimal vote on the MMCX lane and prevents further 'clock stuck'
errors when enabling the display.

Fixes: 2ef3bb17c45c ("arm64: dts: qcom: sm8150: Add DISPCC node")
Acked-by: Konrad Dybcio <konrad.dybcio at linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8150.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index fb41f91cefc6..153c531c1d41 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -3925,6 +3925,7 @@ dispcc: clock-controller at af00000 {
 				      "dp_phy_pll_link_clk",
 				      "dp_phy_pll_vco_div_clk";
 			power-domains = <&rpmhpd SM8150_MMCX>;
+			required-opps = <&rpmhpd_opp_low_svs>;
 			#clock-cells = <1>;
 			#reset-cells = <1>;
 			#power-domain-cells = <1>;
-- 
2.39.2



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