From: Damien Lespiau <damien.lespiau@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Intel GFX <intel-gfx@lists.freedesktop.org>,
Ben Widawsky <benjamin.widawsky@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 [thread overview]
Message-ID: <20140515144520.GE27103@strange.amr.corp.intel.com> (raw)
In-Reply-To: <20140515140505.GC27580@intel.com>
On Thu, May 15, 2014 at 05:05:05PM +0300, Ville Syrjälä 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
prev parent reply other threads:[~2014-05-15 14:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-02 1:47 [PATCH] drm/i915/bdw: Don't allow the FBC base to be 0 Ben Widawsky
2014-05-02 8:19 ` Ville Syrjälä
2014-05-02 8:38 ` Chris Wilson
2014-05-02 13:00 ` Ville Syrjälä
2014-05-02 17:00 ` Ben Widawsky
2014-05-02 20:35 ` Chris Wilson
2014-05-03 1:48 ` Ben Widawsky
2014-05-15 14:05 ` Ville Syrjälä
2014-05-15 14:45 ` Damien Lespiau [this message]
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