After switcherooing to integrated and starting X, when X fails to start
and causes a console switch, we get hit with a hanger (below). Fix
by checking if we're already in D3.
BUG: soft lockup - CPU#0 stuck for 22s! [Xorg:1703]
[] nv04_timer_read+0x28/0x70 [nouveau]
[] nouveau_timer_wait_eq+0x7c/
After switcherooing to integrated and starting X, when X fails to start
and causes a console switch, we get hit with a hanger (below). Fix
by checking if we're already in D3.
BUG: soft lockup - CPU#0 stuck for 22s! [Xorg:1703]
[] nv04_timer_read+0x28/0x70 [nouveau]
[] nouveau_timer_wait_eq+0x7c/
