From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Roland Dreier <rdreier@cisco.com>
Cc: Dave Airlie <airlied@linux.ie>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i915: make vbl interrupts work properly on i965g/gm
Date: Fri, 28 Sep 2007 13:07:55 -0700 [thread overview]
Message-ID: <200709281307.56037.jbarnes@virtuousgeek.org> (raw)
In-Reply-To: <adave9umudh.fsf@cisco.com>
On Friday, September 28, 2007 1:02 pm Roland Dreier wrote:
> Sorry to hijack this thread, but I have a question about i915
> interrupts (945GM specifically) that I haven't gotten an answer to
> yet, and this thread reminded me of it so I thought I'd ask again:
> I hacked the kernel drm stuff on my laptop with 945GM graphics to do
> pci_enable_msi() on the graphics device, and I don't see any
> interrupts occur.
>
> So can someone with access to details of the 945GM tell me if MSI
> interrupts should work, and if so if there's some internal registers
> that need to be poked to enable it (beyond what pci_enable_msi()
> does).
>
> It's not super-urgent-- I just like using shiny things like MSI, and
> I already have ahci, iwl3945 and e1000 working with MSI on my laptop,
> so the graphics are the only thing left with an MSI capability that's
> not working.
I don't have a 945 to test with, but Dave might...
Jesse
next prev parent reply other threads:[~2007-09-28 20:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-28 2:05 [PATCH] i915: make vbl interrupts work properly on i965g/gm Dave Airlie
2007-09-28 2:09 ` Jesse Barnes
2007-09-28 20:02 ` Roland Dreier
2007-09-28 20:07 ` Jesse Barnes [this message]
2007-09-28 22:23 ` Roland Dreier
2007-09-28 23:14 ` Jesse Barnes
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