[Intel-gfx] [PATCH 3/5] drm/i915: Use unknown production revid as alpha quality flag

[Jani Nikula]

On Mon, 11 Jun 2018, Joonas Lahtinen <joonas.lahtinen at linux.intel.com> wrote:
> Quoting Mika Kuoppala (2018-06-08 16:42:03)
>> We don't need to have distinct flag for alpha quality if
>> we agree that setting the first production revid to be the
>> epoch for stepping out from alpha quality on that platform.
>
> Well, I'm hoping we won't be at the phase when the product is shipping
> and the field gets populated, but the driver quality is still alpha
> where we would need two fields. But this indeed happened with Skylake,
> so I would not remove the separation of the fields just in case.

Yeah, please keep them separated, and please keep the name as
IS_ALPHA_SUPPORT. Let's not rename it too often and let's not conflate
this stuff in the interest of letting it sink in what all of these mean.

BR,
Jani.

-- 
Jani Nikula, Intel Open Source Graphics Center