[SOLVED] Which HDMI modes are supported?

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ulyanov
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[SOLVED] Which HDMI modes are supported?

Unread post by ulyanov » Wed Jan 16, 2019 6:22 pm

I have not standard HDMI panel:

Code: Select all

Detailed mode: Clock 204.790 MHz, 90 mm x 160 mm
               1440 1510 1545 1590 hborder 0
               2560 2572 2574 2576 vborder 0
               -hsync -vsync
I plan connect it to ODROID-C2 board with Yocto build.

Is ODROID-C2 will work with this panel?

(Right now, I don't have ODROID-C2 board for check it)

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odroid
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Re: Which HDMI modes are supported?

Unread post by odroid » Wed Jan 16, 2019 6:28 pm


joy
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Re: Which HDMI modes are supported?

Unread post by joy » Tue Jan 22, 2019 4:22 pm

Hi, ulyanov.

I don't have any portrait-type monitor those native resolution is 1440x2560.
But I just tried the modeline using the attached boot.ini,
and confirmed 1440x2560@49.9Hz is working with C2 and one of my landscape-type monitor those native resolution is 2560x1440p60hz and supports pixel clocks up to 297MHz.
Even though the display with my landscape-type monitor look pressed from top to bottom, it says "1440x2560@49.9Hz" and shows ubuntu mate desktop dispaly.

[ key parameters in boot.ini ]

Code: Select all

setenv display_autodetect "false"

setenv m "custombuilt"
setenv modeline "1440,2560,204790,128799,50,1440,1510,1545,1590,2560,2572,2574,2576,0,0,1"

### block default resolution
# setenv m "1080p60hz" # Progressive 60Hz
Also please find the attachment, boot.ini.zip.

I hope my test is helpful for your choice. ;)
Attachments
boot.ini.zip
(2.55 KiB) Downloaded 17 times

ulyanov
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Re: Which HDMI modes are supported?

Unread post by ulyanov » Tue Feb 12, 2019 4:38 am

Sorry for the late reply.
I only today received the board and could check your solution.
It works fine, thank for help!

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Re: Which HDMI modes are supported?

Unread post by joy » Wed Feb 13, 2019 2:31 pm

Glad to hear the solution works fine with your monitor. :)
Thank you for sharing your test result!

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