Extern or forward variable declaration drivers/gpu/drm/i915/i915_params.h, line 31 [usage...] drivers/gpu/drm/i915/intel_device_info.h, line 30 [usage...] drivers/gpu/drm/i915/intel_ringbuffer.h, line 20 [usage...] drivers/gpu/drm/i915/intel_uc_fw.h, line 28 [usage...] include/drm/drm_connector.h, line 42 [usage...] include/drm/drm_crtc.h, line 55 [usage...] include/drm/drm_drv.h, line 42 [usage...] include/drm/drm_plane.h, line 35 [usage...] Structure include/drm/drm_print.h, line 69 [usage...]