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[3/9] arm64: dts: qcom: sm8150: make dispcc cast minimal vote on MMCX

Message ID 20231209232132.3580045-4-dmitry.baryshkov@linaro.org (mailing list archive)
State New, archived
Headers show
Series arm64: dts: qcom: sm8150-hdk: enable display output | expand

Commit Message

Dmitry Baryshkov Dec. 9, 2023, 11:21 p.m. UTC 
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")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8150.dtsi | 1 +
 1 file changed, 1 insertion(+)

Comments

Konrad Dybcio Dec. 11, 2023, 9:30 a.m. UTC | #1 
On 10.12.2023 00:21, Dmitry Baryshkov wrote:
> 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")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
diff mbox series

Patch

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@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>;