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

[alexdeuc...@gmail.com]

From: Alex Deucher <alexander.deuc...@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