drm/amdgpu:vega10: enable virtual display if set via module option

Enable virtual displays if the user has enabled them via the
kernel command line.  Useful in virtual or headless environments.
Reviewed-by: NHarry Wentland <harry.wentland@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -486,7 +486,7 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
 		if (!amdgpu_sriov_vf(adev))
 			amdgpu_ip_block_add(adev, &psp_v3_1_ip_block);
 		amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
-		if (amdgpu_sriov_vf(adev))
+		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 			amdgpu_ip_block_add(adev, &dce_virtual_ip_block);
 		amdgpu_ip_block_add(adev, &gfx_v9_0_ip_block);
 		amdgpu_ip_block_add(adev, &sdma_v4_0_ip_block);