Re: [PATCH 2/5] drm/i915: Store first production revid into device info

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Quoting Mika Kuoppala (2018-06-08 14:42:02)
> Store first known production revid into the device info.
> 
> This enables us to easily see if we are running on
> a preproduction hardware.
> 
> Uninitialized (zero) product revision id means that
> there are no known preliminary hardware for this platform,
> or that the platform is of gen that we don't care.
> This is all pre gen9 platforms.
> 
> Unknown product revision maps to REVID_FOREVER on a
> gen9+ platforms on default. When the platform
> gets the first production revision and our testing
> infra is cleaned from preproduction hardware, we can
> set a first production revid. At that point we start
> to complain about running driver on preliminary hardware.
> 
> v2: initialize GEN9_FEATURES too (CI)
> v3: comment, eyesore fix (Chris), cfl fix, squash
> 
> Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Tomi Sarvela <tomi.p.sarvela@xxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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