From mboxrd@z Thu Jan  1 00:00:00 1970
From: Damien Lespiau <damien.lespiau@intel.com>
Subject: Re: [PATCH] drm/i915/bdw: Don't allow the FBC base to
 be 0
Date: Thu, 15 May 2014 15:45:21 +0100
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To: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Cc: Intel GFX <intel-gfx@lists.freedesktop.org>, Ben Widawsky <benjamin.widawsky@intel.com>
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On Thu, May 15, 2014 at 05:05:05PM +0300, Ville Syrj=E4l=E4 wrote:
> > I must be missing something important. The FBC buffer is the only one
> > requiring a non-zero offset from the base of stolen memory.
> =

> Nothing important can be placed there since the CS apparently writes
> there without anyone explicitly telling it to do so. That's what I
> gathered from the hsd anyway.

FWIW, that's what Art said in person as well a couple of weeks back. So,
indeed, we need to reserve the first page of stolen on BDW.

-- =

Damien