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[PATCH] fbcon: Avoid illegal display panning

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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>
This commit is contained in:
Antonino A. Daplas 2005-12-12 22:17:18 -08:00 committed by Linus Torvalds
parent 1207069f6f
commit 4e1567d3aa
1 changed files with 19 additions and 6 deletions
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25
drivers/video/console/fbcon.c
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@ -2146,8 +2146,12 @@ static int fbcon_switch(struct vc_data *vc)
scrollback_max = 0; scrollback_max = 0;
scrollback_current = 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_set_palette(vc, color_table);
fbcon_clear_margins(vc, 0); fbcon_clear_margins(vc, 0);
@ -2746,8 +2750,12 @@ static void fbcon_modechanged(struct fb_info *info)
updatescrollmode(p, info, vc); updatescrollmode(p, info, vc);
scrollback_max = 0; scrollback_max = 0;
scrollback_current = 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_set_palette(vc, color_table);
update_screen(vc); update_screen(vc);
if (softback_buf) if (softback_buf)
@ -2784,8 +2792,13 @@ static void fbcon_set_all_vcs(struct fb_info *info)
updatescrollmode(p, info, vc); updatescrollmode(p, info, vc);
scrollback_max = 0; scrollback_max = 0;
scrollback_current = 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_set_palette(vc, color_table);
update_screen(vc); update_screen(vc);
if (softback_buf) if (softback_buf)