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authorJan Engelhardt <jengelh@medozas.de>2008-05-12 14:02:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-13 08:02:26 -0700
commitd850a2fac11e4dd45d1d3d493a5a071b06c58c99 (patch)
tree822cfbf9b6214deecb178c86ba7d688a6c16c0ca /drivers/video/console
parent7fe3915a492503a9199af475a433b50258303806 (diff)
vt/fbcon: fix background color on line feed
Another addendum to commit c9e587abfdec2c2aaa55fab83bcb4972e2f84f9b ("vt: fix background color on line feed"). fbcon still was not doing the right thing (read: continued to do old behavior). fbcon_clear() seems to clear the new line (e.g. where your new prompt appears after doing echo -en "\e[42mfoo\n"), while scr_memsetw clears the previous one only (where "foo" appears). So just temporarily set the video_erase_char to the scrl_erase_char so that fbcon_clear does the right thing. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/console')
-rw-r--r--drivers/video/console/fbcon.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index b9703c17b5e8..5fa8b76673cb 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1853,6 +1853,8 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
struct display *p = &fb_display[vc->vc_num];
int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
+ unsigned short saved_ec;
+ int ret;
if (fbcon_is_inactive(vc, info))
return -EINVAL;
@@ -1865,6 +1867,11 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
* whole screen (prevents flicker).
*/
+ saved_ec = vc->vc_video_erase_char;
+ vc->vc_video_erase_char = vc->vc_scrl_erase_char;
+
+ ret = 0;
+
switch (dir) {
case SM_UP:
if (count > vc->vc_rows) /* Maximum realistic size */
@@ -1883,7 +1890,7 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
(b - count)),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
break;
case SCROLL_WRAP_MOVE:
@@ -1955,7 +1962,8 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
(b - count)),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
+ break;
}
break;
@@ -1974,7 +1982,7 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
t),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
break;
case SCROLL_WRAP_MOVE:
@@ -2044,10 +2052,13 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
t),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
+ break;
}
+ break;
}
- return 0;
+ vc->vc_video_erase_char = saved_ec;
+ return ret;
}