[PATCH] drm/radeon: properly track the crtc not_enabled case evergreen_mc_stop()

[alexdeucher at gmail.com]

From: Alex Deucher <alexander.deucher at amd.com>

The save struct is not initialized previously so explicitly
mark the crtcs as not used when they are not in use.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/radeon/evergreen.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index af31f82..219942c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1330,6 +1330,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
 					break;
 				udelay(1);
 			}
+		} else {
+			save->crtc_enabled[i] = false;
 		}
 	}
 
-- 
1.7.7.5