From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel J Blueman <daniel@quora.org>
Date: Thu, 03 Jan 2013 14:39:33 +0000
Subject: Re: 3.8-rc2: EFI framebuffer lock inversion...
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To: sedat.dilek@gmail.com
Cc: alan@lxorguk.ukuu.org.uk, linux-fbdev@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>, Daniel Vetter <daniel.vetter@ffwll.ch>

On 3 January 2013 22:11, Sedat Dilek <sedat.dilek@gmail.com> wrote:
> Hi Daniel,
>
> just wanted to test the fb-fix [2] from Alan and followed the thread in [1].
> Me is also working with i915 KMS.
>
> I looked at nouveau KMS driver and adapted the part for i915:
>
> drivers/gpu/drm/nouveau/nouveau_drm.c-200-      /* remove conflicting
> drivers (vesafb, efifb etc) */
> drivers/gpu/drm/nouveau/nouveau_drm.c:201:      aper = alloc_apertures(3);
> drivers/gpu/drm/nouveau/nouveau_drm.c-202-      if (!aper)
> drivers/gpu/drm/nouveau/nouveau_drm.c-203-              return -ENOMEM;
>
> Untested by me, feel free to test.
>
> Maybe some of the i915 and/or fb driver experts can comment on the problem.

The structure array from alloc_apertures is just used for the PCI base
address registers, so it's important here.

I'll take a look at the efifb locking later.

Thanks,
  Daniel
-- 
Daniel J Blueman