Re: [Intel-gfx] [PATCH 6/7] drm/i915: Restart RPS using the same RP_CONTROL as from initialisation

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On Mon, 2017-02-20 at 09:47 +0000, Chris Wilson wrote:
> During initialisation, we set different flags for different
> architectures - these should be preserved when we reload the RPS
> thresholds. If we use a mmio read, it will first ensure that the
> threshold registers are written before we apply the latch in RP_CONTROL.
> 
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@xxxxxxxxx>




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