From: Chris Wilson <chris@chris-wilson.co.uk>
To: Keith Packard <keithp@keithp.com>, intel-gfx@lists.freedesktop.org
Cc: stable@kernel.org
Subject: Re: [PATCH] drm/i915: Sanitize the output registers after resume
Date: Tue, 12 Apr 2011 19:01:11 +0100 [thread overview]
Message-ID: <b7da2f$r2hjva@fmsmga001.fm.intel.com> (raw)
In-Reply-To: <yunoc4bpeib.fsf@aiko.keithp.com>
On Tue, 12 Apr 2011 10:26:36 -0700, Keith Packard <keithp@keithp.com> wrote:
> On Tue, 12 Apr 2011 18:06:51 +0100, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>
> > This patch rearranges the code we already have to clear up the
> > conflicting state upon init and calls it from reset (which is called
> > after we have lost control of the hardware, i.e. along both the boot and
> > resume paths) instead.
>
> Note that intel_sanitize_modesetting does not do anything on PCH
> hardware yet. Otherwise, this looks like a reasonable plan.
Yes, at the moment the only scenario we've discovered is where the BIOS
sets up a conflicting pipe<->plane mapping, which is only possible before
PCH.
If we go hunting, we can probably find many more. :|
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2011-04-12 18:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-12 17:06 [PATCH] drm/i915: Sanitize the output registers after resume Chris Wilson
2011-04-12 17:10 ` Chris Wilson
2011-04-12 17:26 ` Keith Packard
2011-04-12 18:01 ` Chris Wilson [this message]
2011-04-13 0:00 ` Jesse Barnes
2011-04-13 6:53 ` Chris Wilson
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