[Intel-gfx] [PATCH 2/2] drm/i915/gt: Suppress threshold updates on RPS parking

[Andi Shyti]

Hi Chris,

On Wed, Dec 18, 2019 at 09:05:45PM +0000, Chris Wilson wrote:
> When we park RPS, we set the GPU to run at minimum 'idle' frequency.
> However, as the GPU is idle, we also disable the worker and RPS
> interrupts - changing the RPS thresholds has no effect, it just incurs
> extra changes to restore them when we unpark. So on parking, leave the
> thresholds set to the current power level and so we expect them to be
> valid for our restart.
> 
> References: https://gitlab.freedesktop.org/drm/intel/issues/848
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Andi Shyti <andi.shyti at intel.com>

nice!

Reviewed-by: Andi Shyti <andi.shyti at intel.com>

Thanks,
Andi