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THIS IS NOT A PROBLEM ABOUT XORG

I have a singleboard PC with Intel N100 with 2 HDMI ports.

When arch boots, the color range changes to limited after i915 takeing over the display from UEFI framebuffer which is always full range.

When I changed display settings in Plasma Wayland session. Full color range will apply to not only the GUI session but also Plymouth and tty.

I want to change the color range when i915 is loaded or use commands to achieve this at startup.

I am working with OLED monitor so grey background caused by limited range is quite a problem for me to test stuffs on tty.

fbset -i output

mode "1920x1080" geometry 1920 1080 1920 1080 32 timings 0 0 0 0 0 0 0 rgba 8/16,8/8,8/0,0/0 endmode Frame buffer device information: Name : i915drmfb Address : (nil) Size : 8294400 Type : PACKED PIXELS Visual : TRUECOLOR XPanStep : 1 YPanStep : 1 YWrapStep : 0 LineLength : 7680 Accelerator : No
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  • Please post your framebuffer configuration found using sudo fbset -i (after i915 is loaded). Note that you may have to install the fbset utility via your distro's package manager (or as a binary) Commented May 30, 2024 at 14:55
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    I added fbset -i output for this Commented May 31, 2024 at 10:59
  • Can you post the same after you change the settings in GUI and return to the VT (TTY), more specifically, the rgba setting Commented May 31, 2024 at 16:09
  • Unfortunately, the output is the same Commented Jun 1, 2024 at 4:59

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