From: David Herrmann <dh.herrmann@gmail.com>
Date: Wed, 2 Oct 2013 14:58:39 +0000 (+0200)
Subject: simplefb: use write-combined remapping
X-Git-Tag: v3.13-rc1~93^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e210be68a396da0f1d030289c323f1785f29d33;p=pandora-kernel.git

simplefb: use write-combined remapping

Framebuffers shouldn't be cached and it is usually very uncommon to read
them. Therefore, use ioremap_wc() to get significant speed improvements on
systems which provide it. On all other systems it's aliased to
ioremap_nocache() which is also fine.

Reported-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Tested-by: Tom Gundersen <teg@jklm.no>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---

Reading git-diff-tree failed