linux-kernel - Re: [Intel-gfx] screen freeze with 5.2-rc6 Dell XPS-13 skylake i915

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Date:   Thu, 11 Jul 2019 16:40:33 -0700
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     "Souza, Jose" <jose.souza@...el.com>,
        "pebolle@...cali.nl" <pebolle@...cali.nl>,
        "intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>,
        "chris@...is-wilson.co.uk" <chris@...is-wilson.co.uk>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-gfx] screen freeze with 5.2-rc6 Dell XPS-13 skylake i915

On Thu, 2019-07-11 at 23:28 +0000, Souza, Jose wrote:
> On Fri, 2019-07-12 at 01:03 +0200, Paul Bolle wrote:
> > James Bottomley schreef op do 11-07-2019 om 15:38 [-0700]:
> > > On Thu, 2019-07-11 at 22:26 +0000, Souza, Jose wrote:
> > > > It eventually comes back from screen freeze? Like moving the
> > > > mouse or typing brings it back?
> > > 
> > > No, it seems to be frozen for all time (at least until I got
> > > bored waiting, which was probably 20 minutes).  Even if I reboot
> > > the machine, the current screen state stays until the system
> > > powers off.
> > 
> > As I mentioned earlier, a suspend/resume cycle unfreezes the
> > screen.
> > 
> > And I seem to remember that, if the gnome screen-locking eventually
> > kicks in, unlocking the screen still works, as the screen then
> > isn't frozen anymore.
> > 
> > Thanks,
> 
> Thanks for all the information Paul.
> 
> Could test with the patch attached?

Applied and running with it now.

> If the issue happens again could send the output of:
> 
> /sys/kernel/debug/dri/0/eDP-1/i915_psr_sink_status
> /sys/kernel/debug/dri/0/i915_edp_psr_status
> 
> Thanks so much for all the help

Sure,

James