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Message-Id: <200709281307.56037.jbarnes@virtuousgeek.org> Date: Fri, 28 Sep 2007 13:07:55 -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 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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