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?
>
> Did it work before the regression?
>
> For testing, could you please remove the fix and then do
>
> git revert 6eb0233ec2d0
>
> This would restore the old version. Please report back on the
> results.
Ok, I went to 7f206cf3ec2b with 6eb0233ec2d0 reverted. That fails to
build:
drivers/usb/core/message.c: In function ‘usb_set_configuration’:
drivers/usb/core/message.c:2100:12: error: ‘struct device’ has no member named ‘dma_pfn_offset’
2100 | intf->dev.dma_pfn_offset = dev->dev.dma_pfn_offset;
| ^
drivers/usb/core/message.c:2100:38: error: ‘struct device’ has no member named ‘dma_pfn_offset’
2100 | intf->dev.dma_pfn_offset = dev->dev.dma_pfn_offset;
| ^
CC drivers/net/ethernet/intel/e1000e/param.o
make[3]: *** [scripts/Makefile.build:271: drivers/usb/core/message.o]
Error 1
So I tried to go to bad commit's parent:
git checkout 6eb0233ec2d0^
git log
commit cf141ae989e2ff119cd320326da5923b480d1641
ARM/keystone: move the DMA offset handling under ifdef CONFIG_ARM_LPAE
But that resulted in lockup soon after "--setprovidersource" command
was isued.
Best regards,
Pavel
--
http://www.livejournal.com/~pavelmachek
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