drm: Add new LEASE debug level

Separate out lease debugging from the core.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index c0292e5..a934fd5 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -57,7 +57,8 @@
 "\t\tBit 2 (0x04) will enable KMS messages (modesetting code)\n"
 "\t\tBit 3 (0x08) will enable PRIME messages (prime code)\n"
 "\t\tBit 4 (0x10) will enable ATOMIC messages (atomic code)\n"
-"\t\tBit 5 (0x20) will enable VBL messages (vblank code)");
+"\t\tBit 5 (0x20) will enable VBL messages (vblank code)\n"
+"\t\tBit 7 (0x80) will enable LEASE messages (leasing code)");
 module_param_named(debug, drm_debug, int, 0600);
 
 static DEFINE_SPINLOCK(drm_minor_lock);