Re: Recommendation for cherry-pick between 3.12 and 4.2: 0a363e85cdaf

[Luis Henriques <luis.henriques@canonical.com>]

On Sun, Jan 17, 2016 at 02:28:13PM -0500, Ilia Mirkin wrote:
> Hello,
> 
> I'd like to recommend backporting this commit:
> 
> commit 0a363e85cdafbceeee6a49b91c604d0d4d070dc7
> Author: Hans de Goede <hdegoede@redhat.com>
> Date:   Thu Jul 23 17:20:12 2015 +0200
> 
>     drm/nouveau/nv46: Change mc subdev oclass from nv44 to nv4c
> 
> This disables MSI by default on G72 (NV46) devices where it's
> apparently a bit buggy. We have a later patch which turns MSI back on
> with a quirk, but it isn't extremely necessary for these devices, and
> disabling (or, rather, not enabling) MSI is a pretty safe thing to do.
> 
> The patch went upstream in 4.3-rc1, however I believe that there are
> still a number of kernels between 3.12 (where MSI was first enabled by
> default - commit a27e56996) and 4.2 (inclusive) which are still being
> maintained. To those maintainers, please consider including this in
> your trees.
> 

Thank you Ilia, I'm queuing it for the 3.16 kernel as well.

Cheers,
--
Luís

> Cheers,
> 
>   -ilia
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