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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 16:00:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-05 16:00:44 -0700 |
| commit | 9779714c8af09d57527f18d9aa2207dcc27a8687 (patch) | |
| tree | 52182f2289d9b7a77fbe119f4cd5726ef6494e66 /drivers/video | |
| parent | Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb (diff) | |
| parent | kgdb,docs: Update the kgdb docs to include kms (diff) | |
| download | linux-dev-9779714c8af09d57527f18d9aa2207dcc27a8687.tar.xz linux-dev-9779714c8af09d57527f18d9aa2207dcc27a8687.zip | |
Merge branch 'kms-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* '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
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/console/fbcon.c | 26 | ||||
| -rw-r--r-- | drivers/video/console/fbcon.h | 1 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index b0a3fa00706d..3b3f5749af92 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -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 = { diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h index 89a346880ec0..6bd2e0c7f209 100644 --- a/drivers/video/console/fbcon.h +++ b/drivers/video/console/fbcon.h @@ -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; |