diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index eccae63d3ef1..23ddf54b7dee 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3424,6 +3424,7 @@ static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
 
 	acrtc->crtc_id = crtc_index;
 	acrtc->base.enabled = false;
+	acrtc->otg_inst = -1;
 
 	dm->adev->mode_info.crtcs[crtc_index] = acrtc;
 	drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES,