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

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Message-ID: <55f4d1c242d684ca2742e8c14613d810a9ee9504.camel@intel.com>
Date:   Thu, 11 Jul 2019 23:28:26 +0000
From:   "Souza, Jose" <jose.souza@...el.com>
To:     "pebolle@...cali.nl" <pebolle@...cali.nl>,
        "James.Bottomley@...senPartnership.com" 
        <James.Bottomley@...senPartnership.com>,
        "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 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?

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

> 
> 
> Paul Bolle
> 

View attachment "0001-hack-drm-i915-psr-Always-set-PSR1-training-times-to-.patch" of type "text/x-patch" (1330 bytes)