Re: [PATCH 2/7] drm/i915/skl: Refuse to load outdated dmc firmware

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Hi Mika,

On 30 October 2015 at 15:52, Mika Kuoppala
<mika.kuoppala@xxxxxxxxxxxxxxx> 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?

Cheers,
Daniel
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