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From: Andi Shyti <andi.shyti@intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915/gt: Manual rc6 entry upon parking
Date: Tue, 26 Nov 2019 15:40:56 +0200	[thread overview]
Message-ID: <20191126134056.GA1578@intel.intel> (raw)
In-Reply-To: <20191126100435.2636304-1-chris@chris-wilson.co.uk>

Hi Chris,

On Tue, Nov 26, 2019 at 10:04:35AM +0000, Chris Wilson wrote:
> Now that we rapidly park the GT when the GPU idles, we often find
> ourselves idling faster than the RC6 promotion timer. Thus if we tell
> the GPU to enter RC6 manually as we park, we can do so quicker (by
> around 50ms, half an EI on average) and marginally increase our
> powersaving across all execlists platforms.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Andi Shyti <andi.shyti@intel.com>
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Cc: Imre Deak <imre.deak@intel.com>

looks good to me,

Reveiwed-by: Andi Shyti <andi.shyti@intel.com>

Thanks,
Andi
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Andi Shyti <andi.shyti@intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/gt: Manual rc6 entry upon parking
Date: Tue, 26 Nov 2019 15:40:56 +0200	[thread overview]
Message-ID: <20191126134056.GA1578@intel.intel> (raw)
Message-ID: <20191126134056.OPBF8DgWDhdaSRJNLvLugz4aEobLP2PoLUQHPeeFKJo@z> (raw)
In-Reply-To: <20191126100435.2636304-1-chris@chris-wilson.co.uk>

Hi Chris,

On Tue, Nov 26, 2019 at 10:04:35AM +0000, Chris Wilson wrote:
> Now that we rapidly park the GT when the GPU idles, we often find
> ourselves idling faster than the RC6 promotion timer. Thus if we tell
> the GPU to enter RC6 manually as we park, we can do so quicker (by
> around 50ms, half an EI on average) and marginally increase our
> powersaving across all execlists platforms.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Andi Shyti <andi.shyti@intel.com>
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Cc: Imre Deak <imre.deak@intel.com>

looks good to me,

Reveiwed-by: Andi Shyti <andi.shyti@intel.com>

Thanks,
Andi
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  parent reply	other threads:[~2019-11-26 13:40 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-26 10:04 [PATCH] drm/i915/gt: Manual rc6 entry upon parking Chris Wilson
2019-11-26 10:04 ` [Intel-gfx] " Chris Wilson
2019-11-26 12:22 ` Imre Deak
2019-11-26 12:22   ` [Intel-gfx] " Imre Deak
2019-11-26 12:32   ` Chris Wilson
2019-11-26 12:32     ` [Intel-gfx] " Chris Wilson
2019-11-26 12:42     ` Imre Deak
2019-11-26 12:42       ` [Intel-gfx] " Imre Deak
2019-11-26 13:40 ` Andi Shyti [this message]
2019-11-26 13:40   ` Andi Shyti
2019-11-26 14:43 ` ✓ Fi.CI.BAT: success for " Patchwork
2019-11-26 14:43   ` [Intel-gfx] " Patchwork

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