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authorChristian Trefzer <ctrefzer@gmx.de>2006-02-14 13:53:26 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-14 16:09:35 -0800
commit10ee39fe3ff618d274e1cd0f6abbc2917b736bfd (patch)
tree8479297b76b427b713ac18a96911ef9ec09f7b33 /fs
parente2fbf1ace5cfefdd192f29fd4a027422f567c62d (diff)
[PATCH] neofb: avoid resetting display config on unblank
Fix issues with the NeoMagic framebuffer driver. It nicely complements my previous fix already in linus' tree. The only thing missing now is that the external CRT will not be activated at neofb init when external-only is selected, either by register read or module/kernel parameter. Testing was done on a Dell Latitude CPi-A/NM2200 chip. Previous behaviour: - before booting linux, set the preferred display config X via FN+F8 - boot linux, neofb stores the register values in a private variable - change the display config to Y via keystroke - leave the machine in peace until display is blanked - touching any key will result in display config X being restored - booting up, the BIOS will acknowledge config Y, though... Current behaviour: At the time of unblanking, config Y is honoured because we now read back register contents instead of just overwriting them with outdated values. Signed-off by: Christian Trefzer <ctrefzer@gmx.de> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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