drm/amdgpu: set the default value of pa_sc_tile_steering_override

So userspace can access it.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -762,6 +762,10 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
 		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
 
+		if (adev->family >= AMDGPU_FAMILY_NV)
+			dev_info.pa_sc_tile_steering_override =
+				adev->gfx.config.pa_sc_tile_steering_override;
+
 		return copy_to_user(out, &dev_info,
 				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
 	}