Extern or forward variable declaration at drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h, line 31 References: drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 150 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 270 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 320 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 326 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 401 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 434 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 448 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 464 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 594 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 607 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 619 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 642 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 662 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 683 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 709 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 741 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 757 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 773 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 787 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 839 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 846 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 854 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 862 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 871 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c, line 887