[Intel-gfx] [PATCH] drm/i915: Extract GT ring management

[Chris Wilson]

Quoting Andi Shyti (2019-10-20 01:50:45)
> From: Andi Shyti <andi.shyti at intel.com>
> 
> Although the ring management is much smaller compared to the other GT
> power management functions, continue the theme of extracting it out of
> the huge intel_pm.c for maintenance.
> 
> Based on a patch by Chris Wilson.
> 
> Signed-off-by: Andi Shyti <andi.shyti at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>

Ok, just moving the struct around.

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

I have an idea for a selftest that I'ld like to include...
(Just a plain readback after resume when we expect the ring freqs to be
active.)
-Chris