[PATCH v2 3/3] arm64: dts: imx8mn-tqma8mqnl-mba8mx: LVDS overlay: LVDS overlay: Reduce DSI burst clock to 600Mhz

From: Alexander Stein

Date: Fri Mar 13 2026 - 03:11:09 EST


The DSI burst clock frequency is too 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>
---
Changes in v2:
* Improve commit message and fix typo

.../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 0f4cf1855bf3a..046399a455ba1 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
@@ -32,6 +32,7 @@ &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