[Intel-gfx] [PATCH 1/2] drm/i915: Avoid setting ring freq on invalid rps freqs

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Quoting Mika Kuoppala (2018-03-20 15:17:33)
>> Looping through rps frequencies when both min and max are zero
>> ends up into an endless loop. This can happen during hardware
>> enablement.
>> 
>> Bail out early if rps frequencies are not correctly set yet.
>> 
>> Cc: Chris Wilson <chris at chris-wilson.co.uk>
>> Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

Pushed. Thanks for review.
-Mika