wilsonh

@jock I tried again and confirm that this patch --> https://github.com/armbian/build/commit/e2ba90368f1af995ba89b151c0913082b9ba0ab9 which comes from your repo works well. However the one you provided later which merged into the armbian main 6.6, 6.8 and 6.10 --> https://github.com/armbian/build/pull/6547/files seems no luck.

@jock Thank you for your quick reply! Yes I do see the patch script has been applied by the build script. Maybe my TV just has no luck :(. Just one more question, The interesting thing is that my TV works with the patch debs you provided before --> https://users.armbian.com/jock/rk3318/hdmi/. My TV immediately picks up 2K resolution once I have done dpkg -i. Are they compiled using the same patch scripts you provided which is in the main branch now? I would like to know how they are built and would like to merge it into my compilation. Thank you again for your time and have a good day!

@jock Thank you very much for the patch file (deb) and it works very well. However, when I try to build images with the patches you provided on linux 6.6, it seems not work. I am sure the patches which is "general-hdmi-clock-fixes.patch" is applied, but seems still no output on TVs or monitors other than 1080P. Do you have any idea or could you please share how you compile to get those debs? Many thanks again!

check this post: There is a patch by jock which works well.

Thanks!! The patch works perfectly! I have the similar but not exactly issue (no options above 1080p) on RockPro64 here: After applying the patch, immediately the system picks 2K automatically after robot. By the way, am I supposed to do so since I just realized the patch is made for OPi 4 LTS.

It seems that the HDMI output does not have any option beyond 1080P. Tried multiple monitors. The font size at uboot stage seems right but the resolution maxed out at 1080P after kernel starts. Tried Armbian 24.2.1 with 6.6.16. Could be related with this: https://forum.manjaro.org/t/rk3399-hdmi-output-for-resolutions-different-than-1080p/90644. but patches should be applied at Kernel 6.4: https://www.phoronix.com/news/Linux-6.4-imx25-Rockchip-4K Attached is the screenshot when connected with DELL 25inch monitor. Should have 2K option. diagnoses: https://paste.armbian.com/gaketoluye Thank you