Re: [PATCH] pci: Add quirk for still enabled interrupts on IntelSandy Bridge GPUs

[Jesse Barnes]

On Wed, 07 Dec 2011 22:08:11 +0100
Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx> wrote:

> Some BIOS implementations leave the Intel GPU interrupts enabled,
> even though no one is handling them (f.e. i915 driver is never loaded).
> Additionally the interrupt destination is not set up properly
> and the interrupt ends up -somewhere-.
> 
> These spurious interrupts are "sticky" and the kernel disables
> the (shared) interrupt line after 100.000+ generated interrupts.
> 
> Fix it by disabling the still enabled interrupts.
> This resolves crashes often seen on monitor unplug.

Applied to my -next branch finally (sorry I missed your last reply),
thanks Thomas.

-- 
Jesse Barnes, Intel Open Source Technology Center

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