[Intel-gfx] [PATCH 3/3] drm/i915: disable MSI on Ironlake temporarily

[Zhenyu Wang]

On 2009.11.02 08:10:40 -0800, Keith Packard wrote:
> Excerpts from Zhenyu Wang's message of Sun Nov 01 23:52:31 -0800 2009:
> 
> > +     * MSI looks unstable on Ironlake, until we find out the reason, disable
> > +     * it for now.
> 
> We've had all kinds of problems when trying to run without MSI; there
> are questions about the order of operation when using regular
> interrupts.
> 

yeah, I know MSI could assure the order, it looks i915_gem_interrupt dump
doesn't show obvious problem too, not sure if other kinds of irq on Ironlake affect...

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Open Source Technology Center, Intel ltd.

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