linux-kernel - Re: [Nouveau] [PATCH v3 6/9] drm/nouveau/graph: enable when using external firmware

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CACAvsv4hAzq7HhBZNbcbnE7eKADT_unWuNR2+bJ2swa_S+LnMg@mail.gmail.com>
Date:	Thu, 1 May 2014 14:59:26 +1000
From:	Ben Skeggs <skeggsb@...il.com>
To:	Alexandre Courbot <gnurou@...il.com>
Cc:	Alexandre Courbot <acourbot@...dia.com>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
	Ben Skeggs <bskeggs@...hat.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Nouveau] [PATCH v3 6/9] drm/nouveau/graph: enable when using
 external firmware

On Thu, May 1, 2014 at 2:53 PM, Alexandre Courbot <gnurou@...il.com> wrote:
> On Mon, Apr 28, 2014 at 11:10 AM, Ben Skeggs <skeggsb@...il.com> wrote:
>> On Fri, Apr 25, 2014 at 5:19 PM, Alexandre Courbot <acourbot@...dia.com> wrote:
>>> nvc0_graph_ctor() would only let the graphics engine be enabled if its
>>> oclass has a proper microcode linked to it. This prevents GR from being
>>> enabled at all on chips that rely exclusively on external firmware, even
>>> though such a use-case is valid.
>>>
>>> Relax the conditions enabling the GR engine to also include the case
>>> where an external firmware has also been loaded.
>> I'm happy to take this patch as-is.  I do wonder if we should do
>> something like this though:
>>
>> if (nouveau_boolopt(device->cfgopt, "NvGrUseFW", oclass->fecs.ucode == NULL))
>>
>> Which will automatically switch to external firmware if there's no
>> internal implementation available.
>>
>> Thoughts?  This could be a separate patch even, if preferred.
>
> Sure, that should work. Do you mind if I come with a follow-up patch
> for this so I don't have to re-sent the current patch series? Since
> this is the only comment it received so far.
Yeah that's fine.  I suspect I'll merge this tomorrow, assuming no
further objections are raised.

Ben.

>
> Thanks,
> Alex.
--
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/