[PATCH v2 2/3] arm64: dts: imx8mm-tqma8mqml-mba8mx: LVDS overlay: Reduce DSI burst clock to 600Mhz
From: Alexander Stein <hidden>
Date: 2026-03-13 07:10:32
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 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 <redacted> --- Changes in v2: * Improve commit message and fix typo .../freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso | 3 ++- arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts | 1 - 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso
index e5425653ea7ed..046399a455ba1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx-lvds-tm070jvhg33.dtso@@ -32,7 +32,8 @@ &lcdif { }; &mipi_dsi { - status = "okay"; + samsung,burst-clock-frequency = <600000000>; + status = "okay"; }; &panel {
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
index 8dcc5cbcb8f66..8490b7b04e9bb 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts@@ -76,7 +76,6 @@ expander2: gpio@27 { }; &mipi_dsi { - samsung,burst-clock-frequency = <891000000>; samsung,esc-clock-frequency = <20000000>; };
--
2.43.0