Re: [3.14-rc1] cirrus driver problem (qemu)

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2014-02-05, 14:50:18 +1000, Dave Airlie wrote:
> On Wed, Feb 5, 2014 at 8:53 AM, Sabrina Dubroca <sd@xxxxxxxxxxxxxxx> wrote:
> > 2014-02-04, 13:20:54 +1000, Dave Airlie wrote:
> >> On Tue, Feb 4, 2014 at 1:34 AM, Sabrina Dubroca <sd@xxxxxxxxxxxxxxx> wrote:
> >> > When I boot 3.14-rc1 in qemu, I get the trace below. The console stops
> >> > updating and I don't get a login prompt. I can login, but I can't see
> >> > what I'm doing. I can login normally via SSH.
> >> >
> >> > If I revert the last commit in drivers/gpu/drm/cirrus:
> >> >
> >> > f4b4718b61d1d5a7442a4fd6863ea80c3a10e508 drm: ast,cirrus,mgag200: use drm_can_sleep
> >> >
> >> > the problem is solved.
> >> >
> >>
> >> Hi does the attach patch fix it?
> >>
> >> Dave.
> >
> >
> > Same problem. Didn't you reverse the logic on in_interrupt, compared
> > to the old "if (!in_interrupt())" ? It looks like drm_can_sleep() is
> > false when in_interrupt() is true.
> >
> > I modified your patch as below. Display doesn't freeze, but I still
> > get the warning.
> 
> Oh wow I totally screwed up there, you are right, logic inversion.
> 
> Can you try the attached?
> 
> without the in_interrupt addition.
> 
> Dave.

It works, thanks!
No freeze, no warning.

Sabrina
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