Re: [Intel-gfx] [RFC 4/4] drm/i915: Expose RPS thresholds in sysfs

2023-05-22 Thread Tvrtko Ursulin
On 19/05/2023 21:56, Rodrigo Vivi wrote: On Fri, Apr 28, 2023 at 09:44:53AM +0100, Tvrtko Ursulin wrote: On 28/04/2023 09:14, Tvrtko Ursulin wrote: From: Tvrtko Ursulin User feedback indicates significant performance gains are possible in specific games with non default RPS up/down thresho

Re: [RFC 4/4] drm/i915: Expose RPS thresholds in sysfs

2023-05-19 Thread Rodrigo Vivi
On Fri, May 19, 2023 at 07:36:56PM +, Prahlad Kilambi wrote: > > One question is are we able to find a "one size fits all" values. > > > However regardless of that, given we already expose frequency controls in > > sysfs > > with the same reasoning of allowing system owners explicit control i

Re: [Intel-gfx] [RFC 4/4] drm/i915: Expose RPS thresholds in sysfs

2023-05-19 Thread Rodrigo Vivi
On Fri, Apr 28, 2023 at 09:44:53AM +0100, Tvrtko Ursulin wrote: > > On 28/04/2023 09:14, Tvrtko Ursulin wrote: > > From: Tvrtko Ursulin > > > > User feedback indicates significant performance gains are possible in > > specific games with non default RPS up/down thresholds. > > > > Expose these

[RFC 4/4] drm/i915: Expose RPS thresholds in sysfs

2023-05-19 Thread Prahlad Kilambi
> One question is are we able to find a "one size fits all" values. > However regardless of that, given we already expose frequency controls in > sysfs > with the same reasoning of allowing system owners explicit control if so > wanted, > I think exposing the thresholds can be equally justified.

Re: [Intel-gfx] [RFC 4/4] drm/i915: Expose RPS thresholds in sysfs

2023-04-28 Thread Tvrtko Ursulin
On 28/04/2023 09:14, Tvrtko Ursulin wrote: From: Tvrtko Ursulin User feedback indicates significant performance gains are possible in specific games with non default RPS up/down thresholds. Expose these tunables via sysfs which will allow users to achieve best performance when running games

[RFC 4/4] drm/i915: Expose RPS thresholds in sysfs

2023-04-28 Thread Tvrtko Ursulin
From: Tvrtko Ursulin User feedback indicates significant performance gains are possible in specific games with non default RPS up/down thresholds. Expose these tunables via sysfs which will allow users to achieve best performance when running games and best power efficiency elsewhere. Note this

[RFC 4/4] drm/i915: Expose RPS thresholds in sysfs

2023-04-27 Thread Tvrtko Ursulin
From: Tvrtko Ursulin User feedback indicates significant performance gains are possible in specific games with non default RPS up/down thresholds. Expose these tunables via sysfs which will allow users to achieve best performance when running games and best power efficiency elsewhere. Note this