[PATCH] fbcon: Console Rotation - Add support to rotate font bitmap
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: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h
index 846a5a4..accfd7bd 100644
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -215,7 +215,11 @@
(void) (&_r == &_v); \
(i == FB_ROTATE_UR || i == FB_ROTATE_UD) ? _r : _v; })
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION
+extern void fbcon_set_rotate(struct fbcon_ops *ops);
+#else
#define fbcon_set_rotate(x) do {} while(0)
+#endif /* CONFIG_FRAMEBUFFER_CONSOLE_ROTATION */
#endif /* _VIDEO_FBCON_H */