Re: [Intel-gfx] [PATCH] drm/i915: Mask PM/RPS interrupt generation based on activity

2014-03-31 Thread Daniel Vetter
On Sun, Mar 30, 2014 at 12:08:35PM +0530, Deepak S wrote: On Friday 28 March 2014 01:33 PM, Chris Wilson wrote: The speculation is that we can conserve more power by masking off the interrupts at source (PMINTRMSK) rather than filtering them by the up/down thresholds (RPINTLIM). We can

Re: [Intel-gfx] [PATCH] drm/i915: Mask PM/RPS interrupt generation based on activity

2014-03-30 Thread Deepak S
On Friday 28 March 2014 01:33 PM, Chris Wilson wrote: The speculation is that we can conserve more power by masking off the interrupts at source (PMINTRMSK) rather than filtering them by the up/down thresholds (RPINTLIM). We can select which events we know will be active based on the current

[Intel-gfx] [PATCH] drm/i915: Mask PM/RPS interrupt generation based on activity

2014-03-28 Thread Chris Wilson
The speculation is that we can conserve more power by masking off the interrupts at source (PMINTRMSK) rather than filtering them by the up/down thresholds (RPINTLIM). We can select which events we know will be active based on the current frequency versus our imposed range, i.e. if at minimum, we