i2c_time_us 737 drivers/gpu/drm/drm_dp_helper.c int i2c_time_us = drm_dp_i2c_msg_duration(msg, i2c_speed_khz); i2c_time_us 739 drivers/gpu/drm/drm_dp_helper.c return DIV_ROUND_UP(i2c_time_us, aux_time_us + AUX_RETRY_INTERVAL);