From: Eric Anholt <eric@anholt.net>
To: "Zou, Nanhai" <nanhai.zou@intel.com>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH] drm/i915: Use the LLC mode on gen6 for everything but display.
Date: Fri, 11 Mar 2011 15:07:59 -0800 [thread overview]
Message-ID: <874o795k8g.fsf@pollan.anholt.net> (raw)
In-Reply-To: <41EFD7A46E18724CAB128DAD0073348019F8475553@shsmsx502.ccr.corp.intel.com>
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On Sat, 12 Mar 2011 04:47:23 +0800, "Zou, Nanhai" <nanhai.zou@intel.com> wrote:
> Like we have discussed.
> I think set FB uncached, batch buffer and ring buffer LLC cached.
> everything else LLC+MLC cached may get the best performance.
I don't see how batch or ring uncached should be faster than cache. Why
send our writes all the way out to main memory before pulling them in
again with the GPU?
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next prev parent reply other threads:[~2011-03-11 23:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-11 20:11 [PATCH] drm/i915: Use the LLC mode on gen6 for everything but display Eric Anholt
2011-03-11 20:47 ` Zou, Nanhai
2011-03-11 23:07 ` Eric Anholt [this message]
2011-03-11 21:07 ` Chris Wilson
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