Add 5k resolution support for XF86Config.amdgpu

[xcrsz]

Summary by Sourcery

Enable generation of 5K display modes in the AMDGPU X configuration

New Features:

• Support 5120×2880 (5K) resolution in XF86Config.amdgpu

Enhancements:

• Add corresponding modeline definitions and update resolution lists for 5K displays

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Extend the AMDGPU X server configuration generator to support 5K resolutions by adding a new 5120×2880@60Hz modeline, updating resolution limits, and documenting the change.

File-Level Changes

Change	Details	Files
Introduce 5K (5120×2880@60Hz) display mode	Add Modeline string for 5K at 60 Hz Include 5120×2880 in AllowedModes list Adjust default DPI for high-resolution displays	cardDetect/XF86Config.amdgpu
Adjust resolution limits to encompass 5K	Increase maxWidth and maxHeight constants beyond 4096 Update conditional checks to allow resolutions up to 5120×2880	cardDetect/XF86Config.amdgpu
Update in-file documentation for 5K support	Add comment describing 5K mode usage Provide guidance on EDID overrides for unsupported monitors	cardDetect/XF86Config.amdgpu

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[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

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