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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-20 04:02:01 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-20 04:02:01 +0400
commit10ce3cc919f50c2043b41ca968b43c26a3672600 (patch)
treeea409366a5208aced495bc0516a08b81fd43222e /drivers/gpu/drm/drm_fb_helper.c
parent24e3e5ae1e4c2a3a32f5b1f96b4e3fd721806acd (diff)
parent5c6a7a62c130afef3d61c1dee153012231ff5cd9 (diff)
downloadlinux-10ce3cc919f50c2043b41ca968b43c26a3672600.tar.xz
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 80fe39d98b0c..aada26f63dec 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -255,6 +255,13 @@ bool drm_fb_helper_force_kernel_mode(void)
int drm_fb_helper_panic(struct notifier_block *n, unsigned long ununsed,
void *panic_str)
{
+ /*
+ * It's a waste of time and effort to switch back to text console
+ * if the kernel should reboot before panic messages can be seen.
+ */
+ if (panic_timeout < 0)
+ return 0;
+
printk(KERN_ERR "panic occurred, switching back to text console\n");
return drm_fb_helper_force_kernel_mode();
}