[PATCH] arm64: dts: qcom: sm8750: Fix DSI1 phy reference clock rate
From: Krzysztof Kozlowski
Date: Tue Mar 31 2026 - 13:08:45 EST
The DSI PHY CXO clock input is the SoC CXO divided by two. DSI0 already
uses correct one, but DSI1 got copy-paste from SM8650. Wrong clock
parent will cause incorrect DSI1 PHY PLL frequencies to be used making
the DSI panel non-working, although there is no upstream user of DSI1.
Fixes: 818ae2b389bc ("arm64: dts: qcom: sm8750: Add display (MDSS) with Display CC")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
---
Fix for next branch.
---
arch/arm64/boot/dts/qcom/sm8750.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
index 18fb52c14acd..320aec62e462 100644
--- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
@@ -3313,7 +3313,7 @@ mdss_dsi1_phy: phy@ae97000 {
"dsi_pll";
clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
- <&rpmhcc RPMH_CXO_CLK>;
+ <&bi_tcxo_div2>;
clock-names = "iface",
"ref";
--
2.51.0