From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Michel Dänzer" <michel@daenzer.net>
Cc: "Alex Deucher" <alexander.deucher@amd.com>,
linuxppc-dev@ozlabs.org, "Michel Dänzer" <michel.daenzer@amd.com>,
"Christian Koenig" <christian.koenig@amd.com>,
dri-devel@lists.freedesktop.org
Subject: Re: TTM placement & caching issue/questions
Date: Thu, 04 Sep 2014 18:07:54 +1000 [thread overview]
Message-ID: <1409818074.4246.53.camel@pasglop> (raw)
In-Reply-To: <54081BC5.8000703@daenzer.net>
On Thu, 2014-09-04 at 16:59 +0900, Michel Dänzer wrote:
>
> Define 'not reliably'. I have uptimes of weeks, and I'm pretty sure I'm
> not alone, at least with AGP 1x it seems to work quite well for most
> people. So I don't see the justification for intentionally breaking it
> completely for all of us.
Oh I wasn't arguing for breaking it, just jesting. We need to keep it
working. It's amazing how well broken stuff actually work though :-)
I mean, it's architecturally broken and if we get a collision between
the cache and the NCU, the chip will crash. We just get lucky I suppose.
Anyway, I'll try a different approach tomorrow see how it goes.
Cheers,
Ben.
next prev parent reply other threads:[~2014-09-04 8:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-04 0:12 TTM placement & caching issue/questions Benjamin Herrenschmidt
2014-09-04 0:12 ` Benjamin Herrenschmidt
2014-09-04 1:55 ` Jerome Glisse
2014-09-04 2:07 ` Jerome Glisse
2014-09-04 2:07 ` Jerome Glisse
2014-09-04 2:25 ` Benjamin Herrenschmidt
2014-09-04 2:25 ` Benjamin Herrenschmidt
2014-09-04 2:31 ` Jerome Glisse
2014-09-04 2:31 ` Jerome Glisse
2014-09-04 2:32 ` Jerome Glisse
2014-09-04 2:32 ` Jerome Glisse
2014-09-04 2:36 ` Jerome Glisse
2014-09-04 2:36 ` Jerome Glisse
2014-09-04 5:23 ` Benjamin Herrenschmidt
2014-09-04 6:45 ` Gabriel Paubert
2014-09-04 7:19 ` Michel Dänzer
2014-09-04 7:54 ` Benjamin Herrenschmidt
2014-09-04 7:59 ` Michel Dänzer
2014-09-04 7:59 ` Michel Dänzer
2014-09-04 8:07 ` Benjamin Herrenschmidt [this message]
2014-09-04 2:15 ` Benjamin Herrenschmidt
2014-09-04 7:12 ` Michel Dänzer
2014-09-04 7:44 ` Thomas Hellstrom
2014-09-04 7:44 ` Thomas Hellstrom
2014-09-04 8:06 ` Benjamin Herrenschmidt
2014-09-04 8:46 ` Thomas Hellstrom
2014-09-04 8:46 ` Thomas Hellstrom
2014-09-04 9:34 ` Daniel Vetter
2014-09-04 9:34 ` Daniel Vetter
2014-09-04 9:43 ` Benjamin Herrenschmidt
2014-09-04 10:23 ` Thomas Hellstrom
2014-09-04 10:23 ` Thomas Hellstrom
[not found] <ED4D93630842CD4385F644DC5158EE9171B05E72@NTOVMAIL03.ad.otto.de>
2014-09-05 7:40 ` Jochen Rollwagen
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