Re: [Intel-gfx] [PATCH] drm/i915: Reduce the RPS shock

2019-02-15 Thread Chris Wilson
Quoting Chris Wilson (2019-02-15 17:00:30) > Limit deboosting and boosting to keep ourselves at the extremes > when in the respective power modes (i.e. slowly decrease frequencies > while in the HIGH_POWER zone and slowly increase frequencies while > in the LOW_POWER zone). On idle, we will hit the

[Intel-gfx] [PATCH] drm/i915: Reduce the RPS shock

2019-02-15 Thread Chris Wilson
Limit deboosting and boosting to keep ourselves at the extremes when in the respective power modes (i.e. slowly decrease frequencies while in the HIGH_POWER zone and slowly increase frequencies while in the LOW_POWER zone). On idle, we will hit the timeout and drop to the next level quickly, and co