issue when set 1366*768 LCD with IMX6 Android 7.1.2..

[danny_lu]

Dear NXP,

We're trying porting the android 7.1.2 with imx6dual board but got some problem for 1366x768 LCD driving..

When set 1366*768, kernel logo is displayed normally.. but the screen can not display normally from android logo..

When set 1280*768, kernel logo is not displayed.. but the screen display from android logo..

Here is the android error log when set 1366*768  as below:

01-01 00:00:12.724 187-187/? W/display: xres = 1366 px
yres = 768 px
fps = 58.87 Hz
bpp = 32
r = 0:8
g = 8:8
b = 16:8
01-01 00:00:12.730 187-187/? I/display: GPUManager exists
01-01 00:00:12.730 187-187/? E/display: void fsl::FbDisplay::prepareTargetsLocked() buffer stride not match!
01-01 00:00:12.730 187-187/? E/display: void fsl::FbDisplay::prepareTargetsLocked() buffer stride not match!
01-01 00:00:12.731 187-187/? E/display: void fsl::FbDisplay::prepareTargetsLocked() buffer stride not match!
01-01 00:00:12.731 187-187/? E/hwcomposer: unknown display attribute 6

Please help.

Thank you

Danny

[igorpadykov · Accepted solution]

Hi Danny

one can try solutions provided on

imx6 not work correctly with LVDS 1366x768 

Best regards
igor
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[danny_lu]

Hi igor,

After modified the resolution in DTS to 1360 and then it works normally. 

Many thanks and best regards,

Danny