diff options
| author |   Antonino A. Daplas <adaplas@gmail.com> | 2005-12-12 22:17:18 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-12 22:31:17 -0800 |
| commit | 4e1567d3aad9bae0ecc5bb047179cd026bfb035c (patch) | |
| tree | b3e8820b236c62da6cdbcefbe2850c9cd0158489 /drivers | |
| parent | [PATCH] fbdev: Pan display fixes (diff) | |
| download | linux-dev-4e1567d3aad9bae0ecc5bb047179cd026bfb035c.tar.xz linux-dev-4e1567d3aad9bae0ecc5bb047179cd026bfb035c.zip | |
[PATCH] fbcon: Avoid illegal display panning
Avoid calls to fb_pan_display when driver is suspended or not in text mode.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/console/fbcon.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index bd4500a8992e..8068d2f7efe6 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -2146,8 +2146,12 @@ static int fbcon_switch(struct vc_data *vc) scrollback_max = 0; scrollback_current = 0; - ops->var.xoffset = ops->var.yoffset = p->yscroll = 0; - ops->update_start(info); + + if (!fbcon_is_inactive(vc, info)) { + ops->var.xoffset = ops->var.yoffset = p->yscroll = 0; + ops->update_start(info); + } + fbcon_set_palette(vc, color_table); fbcon_clear_margins(vc, 0); @@ -2746,8 +2750,12 @@ static void fbcon_modechanged(struct fb_info *info) updatescrollmode(p, info, vc); scrollback_max = 0; scrollback_current = 0; - ops->var.xoffset = ops->var.yoffset = p->yscroll = 0; - ops->update_start(info); + + if (!fbcon_is_inactive(vc, info)) { + ops->var.xoffset = ops->var.yoffset = p->yscroll = 0; + ops->update_start(info); + } + fbcon_set_palette(vc, color_table); update_screen(vc); if (softback_buf) @@ -2784,8 +2792,13 @@ static void fbcon_set_all_vcs(struct fb_info *info) updatescrollmode(p, info, vc); scrollback_max = 0; scrollback_current = 0; - ops->var.xoffset = ops->var.yoffset = p->yscroll = 0; - ops->update_start(info); + + if (!fbcon_is_inactive(vc, info)) { + ops->var.xoffset = ops->var.yoffset = + p->yscroll = 0; + ops->update_start(info); + } + fbcon_set_palette(vc, color_table); update_screen(vc); if (softback_buf) |