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authorIngo Molnar <mingo@kernel.org>2018-03-20 08:08:02 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-20 08:08:02 +0100
commit10c18c44a6494167e7a7ca3a3a61a67972017bdf (patch)
tree20c3afe744b0d88783161169ec88e45a53662fe7 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
parent9e49e2447c6385e45c6fddd70d6c0e917e21b669 (diff)
parent1b5f3ba415fe4cf8b8b39c8d104ed44cde330658 (diff)
downloadblackbird-obmc-linux-10c18c44a6494167e7a7ca3a3a61a67972017bdf.tar.gz
blackbird-obmc-linux-10c18c44a6494167e7a7ca3a3a61a67972017bdf.zip
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index f3d87f418d2e..93421dad21bd 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -189,6 +189,12 @@ void dm_dp_mst_dc_sink_create(struct drm_connector *connector)
.link = aconnector->dc_link,
.sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST };
+ /*
+ * TODO: Need to further figure out why ddc.algo is NULL while MST port exists
+ */
+ if (!aconnector->port || !aconnector->port->aux.ddc.algo)
+ return;
+
edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port);
if (!edid) {
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