Re: "irq/matrix: Spread interrupts on allocation" breaks nouveau in mainline kernel

From: Lyude Paul
Date: Thu Jan 25 2018 - 13:29:54 EST


Will cc you with some patches in a bit, think I have this problem figured out :)

On Thu, 2018-01-25 at 04:29 +0100, Mike Galbraith wrote:
> On Wed, 2018-01-24 at 15:02 -0500, Lyude Paul wrote:
> > Almost forgot to mention: I came across this patch because reverting it
> > locally on the mainline kernel makes request_irq() behave normally (it
> > doesn't
> > attempt to allocate the same vector twice anymore) and nouveau starts doing
> > suspend/resume correctly again
>
> Ah, someone already hunted down my resume woes. Yup, reverting
> $subject fixed up my sole reason to use nouveau (to be able to _resume_
> as well as suspend:). If anyone needs a lab rat, just holler.
>
> -Mike