Re: [PATCH 2/7] drm/i915/skl: Refuse to load outdated dmc firmware

From: "Vivi, Rodrigo" <rodrigo.vivi@intel.com>
To: "mika.kuoppala@linux.intel.com" <mika.kuoppala@linux.intel.com>,
	"daniel@fooishbar.org" <daniel@fooishbar.org>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 2/7] drm/i915/skl: Refuse to load outdated dmc firmware
Date: Tue, 3 Nov 2015 23:23:42 +0000	[thread overview]
Message-ID: <1446593062.1396.126.camel@intel.com> (raw)
In-Reply-To: <CAPj87rMW6QwdB7yqXx6T2C54D2hdzf_n1Dpa8t800i1+SSdv5g@mail.gmail.com>

On Tue, 2015-11-03 at 21:49 +0000, Daniel Stone wrote:
> Hi Mika,
> 
> On 30 October 2015 at 15:52, Mika Kuoppala
> <mika.kuoppala@linux.intel.com> wrote:
> > There is known issue on GT interrupt delivery with DC6 and
> > firmwares <1.21. There is a suspicion that this causes
> > spurious gpu hangs on driver init and with some workloads,
> > as upgrading the firmware to 1.21 makes these problems
> > disappear.
> > 
> > As of now the current version included in distribution
> > firmware packages is very like to be 1.19. Play it safe and
> > refuse to load a firmware version that may affect gpu
> > side stability.
> > 
> > With < 1.23 there is a palette and dmc ram corruption issue
> > so blacklist anything below that.
> 
> Unfortunately 1.23 is only available from 01.org, and doesn't appear
> to have been submitted to linux-firmware. Rodrigo, is this going to 
> be
> submitted soon, or?

I submit along with the release at 01.org.
It just got pulled and merged there.

> Cheers,
> Daniel

Thanks,
Rodrigo.
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