mdp4_read
!(mdp4_read(mdp4_kms, REG_MDP4_OVERLAY_FLUSH) &
intf_sel = mdp4_read(mdp4_kms, REG_MDP4_DISP_INTF_SEL);
enable = mdp4_read(mdp4_kms, REG_MDP4_INTR_ENABLE);
status = mdp4_read(mdp4_kms, REG_MDP4_INTR_STATUS) & enable;
version = mdp4_read(mdp4_kms, REG_MDP4_VERSION);
while (!mdp4_read(mdp4_kms, REG_MDP4_LVDS_PHY_PLL_LOCKED))