[PATCH 3/3] arm64: dts: imx8mn-tqma8mqnl-mba8mx: LVDS overlay: Reduce DSI burst clock
From: Alexander Stein <hidden>
Date: 2026-03-10 12:00:36
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest, tq systems board & driver support · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
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 <redacted> --- .../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>; };
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2.43.0