Re: [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.chau...@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.coque...@redhat.com>

Thanks,
Maxime