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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index f355d9a752d2..8955c4fed8cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -26,6 +26,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_dp_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
@@ -1405,6 +1406,10 @@ out:
pm_runtime_put_autosuspend(connector->dev->dev);
}
+ drm_dp_set_subconnector_property(&amdgpu_connector->base,
+ ret,
+ amdgpu_dig_connector->dpcd,
+ amdgpu_dig_connector->downstream_ports);
return ret;
}
@@ -1951,6 +1956,11 @@ amdgpu_connector_add(struct amdgpu_device *adev,
if (has_aux)
amdgpu_atombios_dp_aux_init(amdgpu_connector);
+ if (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+ connector_type == DRM_MODE_CONNECTOR_eDP) {
+ drm_connector_attach_dp_subconnector_property(&amdgpu_connector->base);
+ }
+
return;
failed: