Extern or forward variable declaration at drivers/gpu/drm/i915/display/intel_sdvo.h, line 13 References: drivers/gpu/drm/i915/display/g4x_hdmi.c, line 24 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 62 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 84 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 149 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 164 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 187 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 239 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 300 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 404 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 465 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 482 drivers/gpu/drm/i915/display/g4x_hdmi.c, line 532 drivers/gpu/drm/i915/display/intel_sdvo.c, line 218 drivers/gpu/drm/i915/display/intel_sdvo.c, line 418 drivers/gpu/drm/i915/display/intel_sdvo.c, line 541 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1097 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1132 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1256 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1456 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1593 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1614 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1630 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1760 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1825 drivers/gpu/drm/i915/display/intel_sdvo.c, line 1956 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2011 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2089 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2290 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2595 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2612 drivers/gpu/drm/i915/display/intel_sdvo.c, line 2653 drivers/gpu/drm/i915/display/intel_sdvo.c, line 3284 drivers/gpu/drm/i915/display/intel_sdvo.c, line 3299 drivers/gpu/drm/i915/display/intel_sdvo.c, line 3308 drivers/gpu/drm/i915/display/intel_sdvo.h, line 13 drivers/gpu/drm/i915/display/intel_sdvo.h, line 17 drivers/gpu/drm/i915/display/intel_sdvo.h, line 19