udldrm does not recover from powersave? Re: udldrmfb: causes WARN in i915 on X60 (x86-32)

Hi!

...

This is in -next, but I get same behaviour on 5.11; and no, udl does

Thanks for reporting. We are in the process of fixing the issue. The latest patch is at [1].

Thank you, that fixes the DMA issue, and I can use the udl.

...for a while. Then screensaver blanks laptop screen, udl screen blanks too. Upon hitting a key, internal screen shows up, udl does not.

I try rerunning xrandr ... --auto, but could not recover it.

Any ideas?

Best regards, Pavel