7680x4320 detailed 8k resolution

[LanceMc]

Here is a quick recap...

• Problem: W1650 does not have option to display 8k resolution in Windows "Display Settings" or nVidia Control Panel.
• 3 other similar computers are able to set display at 8k with the Samsung TV.
• CRU export of files show configurations are the same across all of the computers.
• W1650 is able to set/display on a LG 8k TV
• W1650 has been cleaned with DDU, and has latest nVidia GRD installed.
• The entire ecosystem has been double checked for bad cable, etc.
  

What does not make sense to me is why the LG 8k (GSM0001) has CRU "4:2:0 resolutions" of 60Hz and 50Hz for 8k, but the refresh rate in nVidia Control Panel is 30Hz down to 23Hz. See attached pictures.

To test that CRU changes are being updated correctly on W1650, I removed some of the 1080p resolutions , as expected they were removed from the nVidia Control Panel.

I have added to the SAM7040, in the existing CEA-861 Extension Block, "4:2:0 resolutions" similar to what was on the LG 8k. They do not translate to 8k settings in the nVidia Control Panel.

After whittling down each resolution, and seeing unexpected behavior between CRU and nVidia Control Panel options, I am thinking that there might be an issue with:

• Samsung PnP data stream
• CRU handling of 8k resolutions
• nVidia Control Panel fiddling with "Ultra HD, HD, SD" and "PC" resolution settings.
  

I am at a loss as to what is the problem, but there is something that is not working...[/b]

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ToastyX - I can't believe this worked; something is not right...

W1650 is able to display 8k on the Samsung 8k TV (SAM7040) with an unexpected work around. I imported the LG binary file on top of the Samsung CRU settings!

Here are the steps:
1) Set CRU to "SAM7040 (active)"
2) "Import complete EDID" of the LG 8k TV (GSM0001) binary file previously exported.
3) Restart of the drivers was not required (I think... at that point when it worked I was so surprised that I rapidly started testing to confirm that it really was working!)

I was going to attach the original LG and Samsung bin files, but it seems they have the "ID serial #". Let me know what files I can post or send to you directly.

At this point I need your help determining if this is bad PnP data from the TV manufactures, or if CRU needs an update to handle unexpected formatting with the 8k data.

One last observation is that there seems to be order dependencies in the CEA-861 section. I tried to match the Samsung settings with the LG setting, but towards the end of twiddling in CRU, the results in the nVidia Control Panel were not matching the setting in CRU, until the end when I had deleted all of the CRU resolutions, and nVidia Control Panal seems to have know supported setting built into the drivers. I believe that is what you modify with your driver patch automation.

It makes me think that the best way to approach a solid work around for the community is to have 8k support added to your existing driver patch automation. I suggest that because it looks like the timing settings between the LG and the Samsung TVs are the same.