sumo_dpm_display_configuration_changed 1507 drivers/gpu/drm/radeon/radeon_asic.c .display_configuration_changed = &sumo_dpm_display_configuration_changed, sumo_dpm_display_configuration_changed 587 drivers/gpu/drm/radeon/radeon_asic.h void sumo_dpm_display_configuration_changed(struct radeon_device *rdev);