AnsweredAssumed Answered

LVDS resolution Problem agagin

Question asked by KiKi Morisato on Apr 22, 2015
Latest reply on Apr 24, 2015 by Artur Petukhov

BSP: fsl-community-bsp (fido branch)

Kernel Version: 3.14.28

Board: SabreSD (mx6q)

LCD: Innolux 1024x600 LVDS

no X11 (frame buffer use)

 

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here is my kernel command line


console=ttymxc0,115200 root=/dev/mmcblk2p2 rootwait rw video=mxcfb0:dev=ldb,1024x600M@60

 

but kernel LVDS set from imx6qdl-sabresd.dtsi

 

how can i disable it?

 

i create patch file

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diff -uprN a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi

--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi 2015-04-22 14:05:06.303517000 +0900

+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi 2015-04-22 20:45:19.232212412 +0900

@@ -825,7 +825,7 @@

  timing0: hsd100pxn1 {

  clock-frequency = <65000000>;

  hactive = <1024>;

- vactive = <768>;

+ vactive = <600>;

  hback-porch = <220>;

  hfront-porch = <40>;

  vback-porch = <21>;

@@ -847,7 +847,7 @@

  timing1: hsd100pxn1 {

  clock-frequency = <65000000>;

  hactive = <1024>;

- vactive = <768>;

+ vactive = <600>;

  hback-porch = <220>;

  hfront-porch = <40>;

  vback-porch = <21>;

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kernel LVDS resolution changed 1024x768 to 1024x600


but i want use command line


U-Boot>setenv allow_noncea 1 does not work

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