Extern or forward variable declaration at drivers/gpu/drm/i915/display/intel_display.h, line 35 References: drivers/gpu/drm/i915/display/g4x_dp.c, line 1260 drivers/gpu/drm/i915/display/g4x_dp.c, line 1281 drivers/gpu/drm/i915/display/g4x_dp.c, line 1310 drivers/gpu/drm/i915/display/icl_dsi.c, line 1764 drivers/gpu/drm/i915/display/intel_crt.c, line 950 drivers/gpu/drm/i915/display/intel_ddi.c, line 3994 drivers/gpu/drm/i915/display/intel_ddi.c, line 4008 drivers/gpu/drm/i915/display/intel_display.c, line 3926 drivers/gpu/drm/i915/display/intel_display.c, line 4276 drivers/gpu/drm/i915/display/intel_display.c, line 6743 drivers/gpu/drm/i915/display/intel_display.c, line 8980 drivers/gpu/drm/i915/display/intel_display.c, line 12968 drivers/gpu/drm/i915/display/intel_display.h, line 36 drivers/gpu/drm/i915/display/intel_display.h, line 559 drivers/gpu/drm/i915/display/intel_dp.c, line 4430 drivers/gpu/drm/i915/display/intel_dp_mst.c, line 735 drivers/gpu/drm/i915/display/intel_dp_mst.c, line 773 drivers/gpu/drm/i915/display/intel_dp_mst.c, line 827 drivers/gpu/drm/i915/display/intel_dvo.c, line 371 drivers/gpu/drm/i915/display/intel_lvds.c, line 78 drivers/gpu/drm/i915/display/intel_lvds.c, line 832 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2533 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2753 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2810 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2850 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2886 drivers/gpu/drm/i915/display/vlv_dsi.c, line 81 drivers/gpu/drm/i915/display/vlv_dsi.c, line 222 drivers/gpu/drm/i915/display/vlv_dsi.c, line 1296 drivers/gpu/drm/i915/display/vlv_dsi.c, line 1388 drivers/gpu/drm/i915/display/vlv_dsi.c, line 1603 drivers/gpu/drm/i915/display/vlv_dsi.c, line 1834