I compile a special kernel supported by yocto for imx6qp. 1920x720 resolution is not defined in this kernel system. The supported resolution values are the below.
U:1280x720p-120 U:1280x720p-100
U:1920x1080p-30 U:1920x1080p-25 U:1920x1080p-24 U:1920x1080p-50 U:1440x576p-50 U:1440x576p-50 U:1440x288p-50 U:1440x288p-50 U:1280x720p-50 U:720x576p-50 U:720x576p-50 U:1920x1080p-60 U:1440x480p-60 U:1440x480p-60 U:1440x240p-60 U:1440x240p-60 U:1280x720p-60 U:720x480p-60 U:720x480p-60 U:640x480p-60
U-boot parameter:
setenv my_bootargs_sata setenv bootargs console=\${console},\${baudrate} root=/dev/sda2 video=mxcfb0:dev=hdmi,1920x720M@60,if=RGB24
Since the 1920x720 resolution value is not included here, it takes into consideration the nearest value of 1920x1080.
How do I compile a kernel with custom resolution? (1920x720)
Display info : CDTech - 12.3” LCD S123AWU01ES
Thanks.
Hi Abdullah
please refer to some examples for changing lcd resolution on:
https://community.freescale.com/thread/373763
Display Output, Resolution and Timings (Linux)
Best regards
igor
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Thank you for your reply. I can not find a file path similar to these.
kernel_imx/arch/arm/boot/dts/imx6qdl_sabresd.dtsi
arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
Where can I find?
release: morty
machine: imx6qpsabeauto
distro: fslc-framebuffer
Thanks.