LCD display 4 small images when Starting kernel

[ganboshi]

I am in trouble,

the RGB LCD display logo is normal in uboot and kernel, but the LCD flash 4 small images when from uboot to kernel about 300ms when starting kernel. the port of LVDS0_DATA0,LVDS0_DATA1,LVDS0_DATA2 have abnormal signal, but the port of LVDS0_CLK is normal through the Oscilloscope. 

 I use  I.MX6DL over LVDS port connect to TM035KBH02 transform RGB signal to 320x240 LCD.

My Linux environment is 4.1.15

I don't know what config is incorrect when start kernel, so i need some help, thanks a lot.

LVDS0_DATA0 waveform:

[igorpadykov · Accepted solution]

Hi Ganbo

please try patches from

Patch to support uboot logo keep from uboot to kernel for NXP Linux and Android BSP (HDMI, LCD and L... 

and nxp linux

linux-imx - i.MX Linux kernel 

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

[ganboshi]

Hi igor

Thanks for your support, I have fix my problem after use the 4.1.15 patch.