Hi, Folks: We are working for more HDMI output resolutions supporting, but we need monitors for the testing. So if you happen to own a thus monitor and willing the assistant us for the testing, please provide following information: The resolution of your monitor Is it HDMI supported? The model of…

The HDMI VESA mode only support for VIM and not support for VIM2. Thanks

[image] Terry: The HDMI VESA mode only support for VIM and not support for VIM2. Thanks I built my ROM for VIM1 with VESA patch. My ROM work good, but it lost 800x480 resolution on my LCD (800x480) like your ROM. After that I modify the file OutputUiManager.java for full list of resolutions.…

Terry, please give me VESA patch for VIM2. Thank you!

[image] davemf: Terry, please give me VESA patch for VIM2. Terry and other guys are still on the Chinese National Holiday, will back at Oct 9.

It only support for VIM(gxl) and don’t support for VIM2(gxm). commit 7853d8e4f95d54ce4ff75dcfc94b2f88db6963ba Author: Yi Zhou <yi.zhou@amlogic.com> Date: Wed Jun 28 13:00:24 2017 +0800 PD#147458(146857): hdmitx: support several VESA modes. 1) VESA Support mode lists: 640x480p60hz…

[image] davemf: I test my LCD (800x480), I put the 800x480 resolution, after reboot it work fine on naitive 800x480 resolution!!! But after second reboot, resolution is reset to the standard 1080p60Hz!!! Resolution 1600x1200, 1024x768, 1360x768, 1366x768 good work after first reboot, and it i…

[image] Terry: You can try to add the env for VIM2. Maybe it has some issues. New screen resolutions are added and enabled on VIM2, but it has twitches image after reboot. I tried without applying the patch to change the scale in the file measong.cfg (1080p → 720p), the effect is the same - t…

[image] Terry: You can have a try by this Patch This patch to apply after the Vesa patch? Thank you!

Yes, one patch is for u-boot, you need to build uboot again.

[image] Terry: You can have a try by this Patch I built ROM again with new patch (with full list resolutions) and tested it. Screen resolution is reset to the standard 1080p60Hz after second reboot, again.

HDMI Resolutions testing

General Discussion

Terry October 9, 2017, 12:16pm 95

You can have a try by this Patch