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

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Message-ID: <143142cad4a946361a0bf285b6f1701c81096c7b.camel@intel.com>
Date:   Mon, 15 Jul 2019 21:03:01 +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

Hi James and Paul

So the issue did not happened again with the patch applied?

If you still have the kernel 5.1 installed could you share your
/sys/kernel/debug/dri/0/i915_edp_psr_status with the older kernel?
We want to check if training values changed between kernel versions.

On Fri, 2019-07-12 at 16:28 +0200, Paul Bolle wrote:
> James Bottomley schreef op vr 12-07-2019 om 07:19 [-0700]:
> > It has survived 6h without manifesting the regression.  Starting
> > again
> > to try a whole day.
> 
> And I'm currently at four hours without a screen freeze. Which is
> much, much
> longer than I was able to achieve without the hack applied.
> 
> 
> Paul Bolle
>