REG_SYS_CTRL1 1285 drivers/gpu/drm/bridge/sil-sii8620.c REG_SYS_CTRL1, BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD, REG_SYS_CTRL1 1295 drivers/gpu/drm/bridge/sil-sii8620.c REG_SYS_CTRL1, BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD