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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-18 13:52:44 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-18 13:52:44 -0700
commit936a0cd52aa5d024c583e36e2f21bf6ec2e527e4 (patch)
tree01cffc11361be7d671b71ba86463f6649b39d552 /drivers/gpu/drm/radeon/radeon_dp_mst.c
parent36bf51acc89d113f101e40f40af4ab53fbf5b60a (diff)
parente26081808edadfd257c6c9d81014e3b25e9a6118 (diff)
Merge 4.1-rc4 into staging-next
We want the fixes in here for testing and merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_dp_mst.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_dp_mst.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c
index 1017338a49d9..2b98ed3e684d 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_mst.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c
@@ -666,6 +666,9 @@ radeon_dp_mst_probe(struct radeon_connector *radeon_connector)
int ret;
u8 msg[1];
+ if (!radeon_mst)
+ return 0;
+
if (dig_connector->dpcd[DP_DPCD_REV] < 0x12)
return 0;