LTDC_BPCR 605 drivers/gpu/drm/stm/ltdc.c reg_update_bits(ldev->regs, LTDC_BPCR, BPCR_AVBP | BPCR_AHBP, val); LTDC_BPCR 698 drivers/gpu/drm/stm/ltdc.c vactive_start = reg_read(ldev->regs, LTDC_BPCR) & BPCR_AVBP; LTDC_BPCR 790 drivers/gpu/drm/stm/ltdc.c bpcr = reg_read(ldev->regs, LTDC_BPCR);