Re: [Intel-gfx] [PATCH 13/25] drm/i915: Reduce the RPS shock

2019-02-20 Thread Mika Kuoppala
Chris Wilson writes: > 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 >

Re: [Intel-gfx] [PATCH 13/25] drm/i915: Reduce the RPS shock

2019-02-20 Thread Chris Wilson
Quoting Lyude Paul (2019-02-19 21:00:08) > Should this maybe be CC'd for stable for v4.20? If so I've already got a > working port of this patch that I can send to you (I've been running it on my > laptop for a while now, seems to work fine) I wouldn't say no (I am still wondering if we can do bet

Re: [Intel-gfx] [PATCH 13/25] drm/i915: Reduce the RPS shock

2019-02-19 Thread Lyude Paul
Should this maybe be CC'd for stable for v4.20? If so I've already got a working port of this patch that I can send to you (I've been running it on my laptop for a while now, seems to work fine) On Tue, 2019-02-19 at 12:22 +, Chris Wilson wrote: > Limit deboosting and boosting to keep ourselve

[Intel-gfx] [PATCH 13/25] drm/i915: Reduce the RPS shock

2019-02-19 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