From: Krzysztof Helt <krzysztof.h1@wp.pl>
Date: Thu, 24 Jul 2008 04:31:07 +0000 (-0700)
Subject: tridentfb: y-panning fixes
X-Git-Tag: v2.6.27-rc1~578
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f330c4b1961d730ef15ac184e4b7f1c25847d0ae;p=pandora-kernel.git

tridentfb: y-panning fixes

The Trident cards uses only 20-bit address of screen start in double
words.  This allows addressing for only 4MB of video memory so check this.

Also remove some redundant checks and assignments.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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