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Merge branch 'kms-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb

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* 'kms-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
  kgdb,docs: Update the kgdb docs to include kms
  drm_fb_helper: Preserve capability to use atomic kms
  i915: when kgdb is active display compression should be off
  drm/i915: use new fb debug hooks
  drm: add KGDB/KDB support
  fb: add hooks to handle KDB enter/exit
  kgdboc: Add call backs to allow kernel mode switching
  vt,console,kdb: automatically set kdb LINES variable
  vt,console,kdb: implement atomic console enter/leave functions
This commit is contained in:
Linus Torvalds 2010-08-05 16:00:44 -07:00
commit 9779714c8a
15 changed files with 444 additions and 15 deletions
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26
drivers/video/console/fbcon.c
View file

@ -2342,6 +2342,30 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
return 0;
}
static int fbcon_debug_enter(struct vc_data *vc)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
struct fbcon_ops *ops = info->fbcon_par;
ops->save_graphics = ops->graphics;
ops->graphics = 0;
if (info->fbops->fb_debug_enter)
info->fbops->fb_debug_enter(info);
fbcon_set_palette(vc, color_table);
return 0;
}
static int fbcon_debug_leave(struct vc_data *vc)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
struct fbcon_ops *ops = info->fbcon_par;
ops->graphics = ops->save_graphics;
if (info->fbops->fb_debug_leave)
info->fbops->fb_debug_leave(info);
return 0;
}
static int fbcon_get_font(struct vc_data *vc, struct console_font *font)
{
u8 *fontdata = vc->vc_font.data;
@ -3276,6 +3300,8 @@ static const struct consw fb_con = {
.con_screen_pos = fbcon_screen_pos,
.con_getxy = fbcon_getxy,
.con_resize = fbcon_resize,
.con_debug_enter = fbcon_debug_enter,
.con_debug_leave = fbcon_debug_leave,
};
static struct notifier_block fbcon_event_notifier = {

1
drivers/video/console/fbcon.h
View file

@ -74,6 +74,7 @@ struct fbcon_ops {
int cursor_reset;
int blank_state;
int graphics;
int save_graphics; /* for debug enter/leave */
int flags;
int rotate;
int cur_rotate;