On Fri, Jul 25, 2014 at 05:47:11PM -0700, Sun, Daisy wrote:
> we have reconsidered good suggestions and evaluated performance and
> complexity again.
>
> Timer Constant callback would continuously wake up CPU and entire
> package, results in lower CPU and package C-state and shorter battery life,
page flip.
Thanks for the valuable input.
- Daisy
-Original Message-
From: daniel.vet...@ffwll.ch [mailto:daniel.vet...@ffwll.ch] On Behalf Of
Daniel Vetter
Sent: Monday, July 14, 2014 12:04 AM
To: Sun, Daisy
Cc: Chris Wilson; intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [P
gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v2] drm/i915/bdw: BDW Software Turbo
On Mon, Jul 14, 2014 at 8:59 AM, Daniel Vetter wrote:
On Mon, Jul 14, 2014 at 04:22:44AM +, Sun, Daisy wrote:
3) The function will be called when flip happened, this should cover
most of the cases. On
;
> > - Daisy
> >
> > -Original Message-
> > From: daniel.vet...@ffwll.ch [mailto:daniel.vet...@ffwll.ch] On Behalf Of
> > Daniel Vetter
> > Sent: Monday, July 14, 2014 12:04 AM
> > To: Sun, Daisy
> > Cc: Chris Wilson; intel-gfx@lists.freede
lto:daniel.vet...@ffwll.ch] On Behalf Of
> Daniel Vetter
> Sent: Monday, July 14, 2014 12:04 AM
> To: Sun, Daisy
> Cc: Chris Wilson; intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH v2] drm/i915/bdw: BDW Software Turbo
>
> On Mon, Jul 14, 2014 at 8:59 AM, Daniel
h] On Behalf Of
Daniel Vetter
Sent: Monday, July 14, 2014 12:04 AM
To: Sun, Daisy
Cc: Chris Wilson; intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v2] drm/i915/bdw: BDW Software Turbo
On Mon, Jul 14, 2014 at 8:59 AM, Daniel Vetter wrote:
> On Mon, Jul 14, 2014 at 04:22:44AM +0
On Mon, Jul 14, 2014 at 8:59 AM, Daniel Vetter wrote:
> On Mon, Jul 14, 2014 at 04:22:44AM +, Sun, Daisy wrote:
>> 3) The function will be called when flip happened, this should cover
>> most of the cases. One exception is background media process without any
>> display output, it's relatively
From: Chris Wilson [mailto:ch...@chris-wilson.co.uk]
> Sent: Thursday, July 10, 2014 11:16 PM
> To: Sun, Daisy
> Cc: intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH v2] drm/i915/bdw: BDW Software Turbo
>
> On Thu, Jul 10, 2014 at 07:39:32PM -0700, Sun, Daisy
l try to cover it
definitely.
-Original Message-
From: Chris Wilson [mailto:ch...@chris-wilson.co.uk]
Sent: Thursday, July 10, 2014 11:16 PM
To: Sun, Daisy
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH v2] drm/i915/bdw: BDW Software Turbo
On Thu, Jul 10, 2014 at
On Thu, Jul 10, 2014 at 07:39:32PM -0700, Sun, Daisy wrote:
>
> This Software turbo will mainly take place of the hardware driven
> interrupt part without touching the boost/idle strategy.
> So gen6_rps_boost and gen6_rps_idle will still function for BDW.
You still are not addressing that your fu
This Software turbo will mainly take place of the hardware driven
interrupt part without touching the boost/idle strategy.
So gen6_rps_boost and gen6_rps_idle will still function for BDW.
I can revise the commit message to clarify.
On 7/10/2014 12:07 PM, Chris Wilson wrote:
On Thu, Jul 10, 2
On Thu, Jul 10, 2014 at 11:42:59AM -0700, Sun, Daisy wrote:
>
> GT is not going to run at a single frequency all the time actually.
> It starts from a single frequency, and then will dynamically adjust
> according to the GT utilization, either go up or down.
> From this perspective, SW turbo funct
GT is not going to run at a single frequency all the time actually. It
starts from a single frequency, and then will dynamically adjust
according to the GT utilization, either go up or down.
From this perspective, SW turbo function the same as the HW turbo.
For the algorithm, we did go over t
On Wed, Jul 09, 2014 at 06:00:48PM -0700, Daisy Sun wrote:
> BDW supports GT C0 residency reporting in constant time unit. Driver
> calculates
> GT utilization based on C0 residency and adjusts RP frequency up/down
> accordingly.
This explanation is a bit thin on the ground for why you want to ru
BDW supports GT C0 residency reporting in constant time unit. Driver calculates
GT utilization based on C0 residency and adjusts RP frequency up/down
accordingly.
Signed-off-by: Daisy Sun
[torourke: rebased on latest and resolved conflict]
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i9
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