[PATCH v1 2/2] baseband/acc: saturate input to 6 bits for VRB decoder

[Maxime Coquelin]

On 10/15/24 00:30, Nicolas Chautru wrote:
> Making the decoder more robust by forcing a default
> 6 bits LLR saturation to LDPC Decoder input.
> 
> Signed-off-by: Nicolas Chautru <nicolas.chautru at intel.com>
> ---
>   drivers/baseband/acc/rte_vrb_pmd.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/baseband/acc/rte_vrb_pmd.c b/drivers/baseband/acc/rte_vrb_pmd.c
> index 5eb3e8dd48..eb9892ff31 100644
> --- a/drivers/baseband/acc/rte_vrb_pmd.c
> +++ b/drivers/baseband/acc/rte_vrb_pmd.c
> @@ -1799,6 +1799,9 @@ vrb_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
>   		fcw->hcout_offset = 0;
>   	}
>   
> +	/* Force saturation to 6 bits LLR. */
> +	fcw->saturate_input = 1;
> +
>   	fcw->tb_crc_select = 0;
>   	if (check_bit(op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_CRC_TYPE_24A_CHECK))
>   		fcw->tb_crc_select = 2;

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,
Maxime