From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 11 Feb 2010 01:31:44 +0000 (+1000)
Subject: drm/nv50: improve vram page table construction
X-Git-Tag: v2.6.33~7^2~1^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=531e77139f26e8da32ee694b9ee5e6f4c764f1db;p=pandora-kernel.git

drm/nv50: improve vram page table construction

This commit changes nouveau to construct PTEs which look very much like
the ones the binary driver creates.

I presume that filling multiple PTEs identically with length flags and
the physical address of the start of a block of VRAM is a hint to the
memory controller that it need not perform additional page table lookups
for that range of addresses.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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