[PATCH 3/3] arm64: dts: imx8mn-tqma8mqnl-mba8mx: LVDS overlay: Reduce DSI burst clock
From: Alexander Stein
Date: Tue Mar 10 2026 - 09:15:01 EST
The DSI burst clock frequency is to high resulting in flickering. Reduce
the frequency.
While at it, remove the burst clock from board configuration as it is
display specific.
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
.../dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso | 1 +
arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso
index 29235e390a5d7..102550da70f6b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtso
@@ -36,6 +36,7 @@ &lcdif {
};
&mipi_dsi {
+ samsung,burst-clock-frequency = <600000000>;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
index 664f4a6950a82..01d565cdbfea0 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
@@ -65,7 +65,6 @@ expander2: gpio@27 {
};
&mipi_dsi {
- samsung,burst-clock-frequency = <891000000>;
samsung,esc-clock-frequency = <20000000>;
};
--
2.43.0