Re: 3.8-rc2: EFI framebuffer lock inversion...

From: Daniel J Blueman
Date: Thu Jan 03 2013 - 09:39:25 EST

On 3 January 2013 22:11, Sedat Dilek <sedat.dilek@xxxxxxxxx> 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.

Daniel J Blueman
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