I see one issue in the patch;
When enabling the crtc it _unconditionally_ sets the output crtc (preferred)
mode, rotation etc. properties.
In multimonitor setups this likely leads screens to appear mirrored after power
cycle (see comment #63 and #64)
The patch should be improved by
Created attachment 6590
Enable crtc if it is disabled after power cycle
Added prototype patch to enable crtc after power cycle of displayport monitor.
I hope maintainer can suggest improvements.
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