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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Keith Packard <keithp@keithp.com>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/3] drm/i915: Attach a fb to the load-detect pipe
Date: Wed, 20 Apr 2011 10:25:37 +0100	[thread overview]
Message-ID: <1bdc18$k9qq24@fmsmga002.fm.intel.com> (raw)
In-Reply-To: <yuntydux79v.fsf@aiko.keithp.com>

On Tue, 19 Apr 2011 14:26:04 -0700, Keith Packard <keithp@keithp.com> wrote:
> On Tue, 19 Apr 2011 21:32:02 +0100, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> 
> > We need to ensure that we feed valid memory into the display plane
> > attached to the pipe when switching the pipe on. Otherwise, the display
> > engine may read through an invalid PTE and so throw an PGTBL_ER
> > exception.
> 
> This seems to rewrite most of the load detection code, but doesn't
> justify that rewrite in comments (either commit or in-line). You'll need
> to break this up so that we can actually see what is changing.

I created a fresh series of patches that hopefully clarifies what needs to
be corrected in intel_get_load_detect_pipe(). It was meant to be attached
here, but I failed to drive git send-email correctly. :(
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  reply	other threads:[~2011-04-20  9:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-19 20:32 Modesetting fixes for pre-ILK, 915GM especially Chris Wilson
2011-04-19 20:32 ` [PATCH 1/3] drm/i915: Check that the plane points to the pipe's framebuffer before enabling Chris Wilson
2011-04-19 20:40   ` Jesse Barnes
2011-04-19 20:32 ` [PATCH 2/3] drm/i915: Attach a fb to the load-detect pipe Chris Wilson
2011-04-19 21:26   ` Keith Packard
2011-04-20  9:25     ` Chris Wilson [this message]
2011-04-19 20:32 ` [PATCH 3/3] drm/i915: Only enable the plane after setting the fb base (pre-ILK) Chris Wilson
2011-04-19 20:39   ` Jesse Barnes
2011-04-20 21:43 [PATCH] drm/i915: Attach a fb to the load-detect pipe Chris Wilson
2011-04-21  8:45 ` When in doubt, use a temporary fb Chris Wilson
2011-04-21  8:45   ` [PATCH 2/3] drm/i915: Attach a fb to the load-detect pipe Chris Wilson

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