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tridentfb: y-panning fixes
authorKrzysztof Helt <krzysztof.h1@wp.pl>
Thu, 24 Jul 2008 04:31:07 +0000 (21:31 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 24 Jul 2008 17:47:36 +0000 (10:47 -0700)
commitf330c4b1961d730ef15ac184e4b7f1c25847d0ae
tree4751dc03a194a3b8471d8e8a3af41762959d04fftree | snapshot
parenta4af1798d768ab2f12ab623e21ad68dc8c248005commit | diff
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>
drivers/video/tridentfb.c diff | blob | history
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