AST_IO_VGACRE3_DP_PHY_SLEEP
return (vgacre3 & AST_IO_VGACRE3_DP_PHY_SLEEP);
vgacre3 |= AST_IO_VGACRE3_DP_PHY_SLEEP;
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xe3, (u8)~AST_IO_VGACRE3_DP_PHY_SLEEP,