sumo_dpm_pre_set_power_state 1504 drivers/gpu/drm/radeon/radeon_asic.c 		.pre_set_power_state = &sumo_dpm_pre_set_power_state,
sumo_dpm_pre_set_power_state  583 drivers/gpu/drm/radeon/radeon_asic.h int sumo_dpm_pre_set_power_state(struct radeon_device *rdev);