Commit bed447e7 authored May 13, 2015 by Dave Airlie Committed by Alex Deucher May 14, 2015

drm/radeon: don't do mst probing if MST isn't enabled.



This causes an oops as we haven't initialised the mst
layer.

Reported-by: Dave Jones <&lt;davej@codemonkey.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent fcf3b542

drivers/gpu/drm/radeon/radeon_dp_mst.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;