DML2_MAX_FMT_420_BUFFER_WIDTH
if (HActive > 4 * DML2_MAX_FMT_420_BUFFER_WIDTH)
else if (HActive > 2 * DML2_MAX_FMT_420_BUFFER_WIDTH)
else if (HActive > DML2_MAX_FMT_420_BUFFER_WIDTH && ODMUse != dml_odm_use_policy_combine_4to1)
(HActive <= 1 * DML2_MAX_FMT_420_BUFFER_WIDTH) ? dml2_odm_mode_bypass :
(HActive <= 2 * DML2_MAX_FMT_420_BUFFER_WIDTH) ? dml2_odm_mode_combine_2to1 :
(HActive <= 3 * DML2_MAX_FMT_420_BUFFER_WIDTH) ? dml2_odm_mode_combine_3to1 : dml2_odm_mode_combine_4to1;
*MaxHActiveFor420 = *NumberOfDPPRequired * DML2_MAX_FMT_420_BUFFER_WIDTH;