imx6 lvds 1366x768 display error color

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imx6 lvds 1366x768 display error color

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sunyd
Contributor I

pastedImage_6.jpg

lvds display error color,backgorund color should be black,i have checked related parameter ,but not solved,and hdmi display well

lcd:24bit,RGB24

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igorpadykov
NXP Employee
NXP Employee

Hi sunyd

one can check simila issue

LVDS panel display corruption 

also one can try changing the DI clock polarity, bit to change
IPUx_DI0_GENERAL bit17

Best regards
igor
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sunyd
Contributor I

and if=RGB666/888 ldb=dul0,display this condition;

pastedImage_1.jpg

but, if change the ldb from dul0 to sin0,display black screen(display null)

on linux( kernel3.0 .035),display well,

just below

pastedImage_4.png

thanks

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sunyd
Contributor I

hi,igorpadykov,

modified ("#define DI_GEN_POLARITY_DISP_CLK (1 << 17)") 1 to 0("0<< 17"),but the bad color show the same previous,

and what else to do?

thanks for yours

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igorpadykov
NXP Employee
NXP Employee

suggest to use 1360 resolution, as strictly speaking 1366 resolution

doesn't work with the IPU and GPU because that resolution is not multiple of 8.

Best regards
igor

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sunyd
Contributor I

hi,igo:

    the error color is still crazy, have you  any other suggestions? 

   i'm sorry to give you trouble,

 

   thanks

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igorpadykov
NXP Employee
NXP Employee

formally this is no supported by hardware, so there are no formal suggestions.

You can just try experimenting by own luck.

Best regards
igor

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