From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>,
Arun Siluvery <arun.siluvery@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH v1 3/4] drm/i915:bxt: Enable Pooled EU support
Date: Fri, 17 Jul 2015 19:50:13 +0300 [thread overview]
Message-ID: <87wpxyloe2.fsf@gaia.fi.intel.com> (raw)
In-Reply-To: <20150717162743.GD31965@nuc-i3427.alporthouse.com>
Chris Wilson <chris@chris-wilson.co.uk> writes:
> On Fri, Jul 17, 2015 at 05:08:53PM +0100, Arun Siluvery wrote:
>> This mode allows to assign EUs to pools.
>> The command to enable this mode is sent in auxiliary golden context batch
>> as this is only issued once with each context initialization. Thanks to
>> Mika for the preliminary review.
>
> A quick explanation for why this has to be in the kernel would be nice.
> Privileged instruction?
>
The pooled mode is global. Once set, it has to stay same
across all contexts until subsequent fw reset.
-Mika
> Not fond of the split between this and patch 4. Patch 4 intoduces one
> feature flag that looks different to the one we use here to enable
> support.
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
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next prev parent reply other threads:[~2015-07-17 16:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-17 16:08 [PATCH v1 0/4] Add Pooled EU support to BXT Arun Siluvery
2015-07-17 16:08 ` [PATCH v1 1/4] drm/i915: Do kunmap if renderstate parsing fails Arun Siluvery
2015-07-21 7:26 ` Daniel Vetter
2015-07-17 16:08 ` [PATCH v1 2/4] drm/i915: Add provision to extend Golden context batch Arun Siluvery
2015-07-17 16:23 ` Chris Wilson
2015-07-17 16:37 ` Mika Kuoppala
2015-07-17 16:48 ` Chris Wilson
2015-07-17 16:08 ` [PATCH v1 3/4] drm/i915:bxt: Enable Pooled EU support Arun Siluvery
2015-07-17 16:27 ` Chris Wilson
2015-07-17 16:50 ` Mika Kuoppala [this message]
2015-07-17 16:54 ` Siluvery, Arun
2015-07-17 16:58 ` Chris Wilson
2015-07-17 16:08 ` [PATCH v1 4/4] drm/i915/bxt: Add get_param to query Pooled EU availability Arun Siluvery
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