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由 Antonino A. Daplas 提交于
Add support to rotate the font bitmap. To save on processing time, the entire fontdata will be rotated on a console switch, then stored in a buffer private to fbcon. To further save on processing, the fontdata will only be rotated if the font has changed or if the angle of rotation has changed. Only a single copy of the rotated fontdata will be kept. Signed-off-by: NAntonino Daplas <adaplas@pol.net> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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