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[PATCH] fbcon: don't repaint the cursor when it is disabled.

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Currently even when the cursor is disabled (`setterm -cursor off`), it is
still repainted as a black rectangle the size of a single char.  This can
be seen, for example, by chvt'ing to a free tty, disabling the cursor and
doing `dd if=3D/dev/urandom of=3D/dev/fb0`.

The patch changes this behaviour by avoiding painting anything when the
cursor is disabled.

Signed-off-by: Michal Januszewski <spock@gentoo.org>
Cc: <linux-fbdev-devel@lists.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Michal Januszewski 2005-07-27 11:46:06 -07:00 committed by Linus Torvalds
parent d210224732
commit dbd4f12859
1 changed files with 2 additions and 1 deletions
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3
drivers/video/console/fbcon.c
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@ -275,7 +275,8 @@ static void fb_flashcursor(void *private)
if (!vc || !CON_IS_VISIBLE(vc) ||
fbcon_is_inactive(vc, info) ||
registered_fb[con2fb_map[vc->vc_num]] != info)
registered_fb[con2fb_map[vc->vc_num]] != info ||
vc_cons[ops->currcon].d->vc_deccm != 1)
return;
acquire_console_sem();
p = &fb_display[vc->vc_num];