From: Lubos Kolouch <lubos.kolouch@gmail.com>
To: Keith Packard <keithp@keithp.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: i915 wakes from suspend to RAM with blank screen after commit cd9dde44f47501394b9f0715b6a36a92aa74c0d0
Date: Sun, 22 Jan 2012 11:29:12 +0100 [thread overview]
Message-ID: <20120122102912.GA2123@nbgentoo> (raw)
In-Reply-To: <86hazokcb7.fsf@sumi.keithp.com>
On Sat, Jan 21, 2012, 12:53:00, Keith Packard wrote:
> On Sat, 21 Jan 2012 19:44:53 +0100, Lubos Kolouch <lubos.kolouch@gmail.com> wrote:
>
> > dmesg after boot - http://paste.pocoo.org/show/538343/
> > dmesg after failed resume - http://paste.pocoo.org/show/538344/
>
> Ok, that's weird -- we're choosing a different display port link speed
> on resume than at boot time. I have a theory that intel_dp_mode_fixup is
> accidentally using the current bpp value when computing the values
> needed for the new mode, and that this value may differ between boot and
> resume.
>
> Here's a patch to dump some debug info out to test this theory.
>
Thanks, here you go:
dmesg after boot - http://paste.pocoo.org/show/538625/
dmesg after failed resume - http://paste.pocoo.org/show/538626/
Lubos
next prev parent reply other threads:[~2012-01-22 10:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-21 10:32 i915 wakes from suspend to RAM with blank screen after commit cd9dde44f47501394b9f0715b6a36a92aa74c0d0 Lubos Kolouch
2012-01-21 18:15 ` Keith Packard
2012-01-21 18:44 ` Lubos Kolouch
2012-01-21 20:53 ` Keith Packard
2012-01-22 10:29 ` Lubos Kolouch [this message]
2012-01-23 4:00 ` Keith Packard
2012-01-23 6:33 ` Lubos Kolouch
2012-01-26 7:37 ` Keith Packard
2012-01-27 10:14 ` Lubos Kolouch
2012-01-27 18:57 ` Keith Packard
2012-01-31 22:39 ` Joseph Salisbury
2012-02-07 2:31 ` Keith Packard
2012-01-21 18:51 ` Lubos Kolouch
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