From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Fix the computation of required fb size for pipe
Date: Wed, 2 Apr 2014 07:58:18 +0100 [thread overview]
Message-ID: <20140402065818.GM7314@nuc-i3427.alporthouse.com> (raw)
In-Reply-To: <1395328281-15867-1-git-send-email-chris@chris-wilson.co.uk>
On Thu, Mar 20, 2014 at 03:11:21PM +0000, Chris Wilson wrote:
> The computation of required framebuffer size in
>
> commit d978ef14456a38034f6c0e94a794129501f89200
> Author: Jesse Barnes <jbarnes@virtuousgeek.org>
> Date: Fri Mar 7 08:57:51 2014 -0800
>
> drm/i915: Wrap the preallocated BIOS framebuffer and preserve for KMS fbcon v12
>
> is too optimistic, and would rely on the invariant fb being
> reconstructed to exactly fit each pipe (and probably ignore hardware
> limits). Instead, we want to compute the upper bound on what the display
> engine will access and ensure that is within the inherited framebuffer.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Ping. The code is just waiting to explode.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2014-04-02 6:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-20 15:11 [PATCH] drm/i915: Fix the computation of required fb size for pipe Chris Wilson
2014-04-02 6:58 ` Chris Wilson [this message]
2014-04-02 7:10 ` Daniel Vetter
2014-04-02 15:03 ` Jesse Barnes
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