[v3,07/12] baseband/acc: algorithm tuning for LDPC decoder

Message ID 20241009211302.177471-8-hernan.vargas@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Maxime Coquelin
Headers
Series acc baseband PMD fix and updates for 24.11 |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Hernan Vargas Oct. 9, 2024, 9:12 p.m. UTC
Reverting to MS1 version of the algorithm to improve MU1 fading
conditions.

Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 drivers/baseband/acc/rte_vrb_pmd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
  

Patch

diff --git a/drivers/baseband/acc/rte_vrb_pmd.c b/drivers/baseband/acc/rte_vrb_pmd.c
index 519385e82ed3..4d7535e9d99f 100644
--- a/drivers/baseband/acc/rte_vrb_pmd.c
+++ b/drivers/baseband/acc/rte_vrb_pmd.c
@@ -1363,7 +1363,7 @@  vrb_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
 				RTE_BBDEV_LDPC_SOFT_OUT_DEINTERLEAVER_BYPASS |
 				RTE_BBDEV_LDPC_DEC_INTERRUPTS,
 			.llr_size = 8,
-			.llr_decimals = 2,
+			.llr_decimals = 1,
 			.num_buffers_src =
 					RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
 			.num_buffers_hard_out =
@@ -1737,8 +1737,8 @@  vrb_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
 		fcw->so_bypass_intlv = check_bit(op->ldpc_dec.op_flags,
 				RTE_BBDEV_LDPC_SOFT_OUT_DEINTERLEAVER_BYPASS);
 		fcw->so_bypass_rm = 0;
-		fcw->minsum_offset = 1;
-		fcw->dec_llrclip   = 2;
+		fcw->minsum_offset = 0;
+		fcw->dec_llrclip   = 0;
 	}
 
 	/*