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From: Daniel Vetter <daniel@ffwll.ch>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: "intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>,
	"Widawsky, Benjamin" <benjamin.widawsky@intel.com>
Subject: Re: [PATCH] drm/i915/sysfs: Adding mocs_state
Date: Mon, 9 May 2016 09:39:28 +0200	[thread overview]
Message-ID: <20160509073928.GR27098@phenom.ffwll.local> (raw)
In-Reply-To: <20160506111629.GY4329@intel.com>

On Fri, May 06, 2016 at 02:16:29PM +0300, Ville Syrjälä wrote:
> On Thu, May 05, 2016 at 07:17:02AM +0000, Antoine, Peter wrote:
> > It's a little overkill?
> > 
> > They just need to know if the cache tables have changed and to be able to sync their indexes to the KMD.
> 
> We already shot ourselves in the foot with this MOCS ABI stuff. This
> sysfs stuff just feels like digging the hole deeper, as in more legacy
> baggage when we eventually have to change the whole apporach anyway.
> Given our track record here I have a feeling that will happen at some
> point.

Yeah, sysfs for MOCS given how bad we just failed at making the ABI solid
sounds like a very bad idea. More incremental ABI changes like Ville
suggested please. This also needs review from Imre to make sure we have a
consistent story here.

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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  parent reply	other threads:[~2016-05-09  7:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-04 13:16 [PATCH] drm/i915/sysfs: Adding mocs_state Peter Antoine
2016-05-04 13:23 ` Chris Wilson
2016-05-04 13:32   ` Peter Antoine
2016-05-04 13:47     ` Chris Wilson
2016-05-04 14:23       ` Antoine, Peter
2016-05-04 14:38         ` Ville Syrjälä
2016-05-04 14:51           ` Peter Antoine
2016-05-04 16:55             ` Ville Syrjälä
2016-05-05  7:17               ` Antoine, Peter
2016-05-06  8:57                 ` Antoine, Peter
2016-05-06 11:16                 ` Ville Syrjälä
2016-05-06 13:26                   ` Peter Antoine
2016-05-09  7:39                   ` Daniel Vetter [this message]
2016-05-04 14:57           ` Chris Wilson
2016-05-04 14:23 ` ✗ Fi.CI.BAT: failure for " Patchwork

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