LTDC_TWCR 613 drivers/gpu/drm/stm/ltdc.c reg_update_bits(ldev->regs, LTDC_TWCR, TWCR_TOTALH | TWCR_TOTALW, val); LTDC_TWCR 700 drivers/gpu/drm/stm/ltdc.c vtotal = reg_read(ldev->regs, LTDC_TWCR) & TWCR_TOTALH;