linux-kernel - Re: [PATCH] i915: make vbl interrupts work properly on i965g/gm

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Message-Id: <200709281614.12244.jbarnes@virtuousgeek.org>
Date:	Fri, 28 Sep 2007 16:14:11 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Roland Dreier <rdreier@...co.com>
Cc:	Dave Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i915: make vbl interrupts work properly on i965g/gm

On Friday, September 28, 2007 3:23 pm Roland Dreier wrote:
>  > I don't have a 945 to test with, but Dave might...
>
> Actually I'm not looking for testing (I can test fine on my own
> laptop :) I was just hoping someone with docs could tell me "MSI is
> documented to be broken on 945GM" or "Oh yeah, 945GM requires you to
> set SECRET_MSI_ENABLE_BIT in register FOO before it generates MSIs."
>
> As I said, it's not a big deal but I'd sort of like to know whether
> my MSI enable hack at least has a chance at working before I try too
> hard to get it working.

I don't see anything in the docs (either public or private) that would 
indicate that MSI is broken on those chips, so I'd expect it to work...

Jesse

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