target/linux/layerscape/patches-5.4/701-net-0352-soc-fsl-dpio-Enable-ACP-port-in-Linux-QMAN-driver.patch

   1 From 462a65a13cff2e04122df6a770d91ef1e301b359 Mon Sep 17 00:00:00 2001
   2 From: Youri Querry <youri.querry_1@nxp.com>
   3 Date: Thu, 19 Dec 2019 09:44:33 -0500
   4 Subject: [PATCH] soc: fsl: dpio: Enable ACP port in Linux QMAN driver
   5
   6 Setting the software portal configuration DE(dequeue stashing
   7 enable) bit. This should enable the ACP (Accelerator Coherency
   8 Port).
   9
  10 During test this improved performance on the LS2088a slightly. No
  11 effect on the LX2160a.
  12
  13 Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
  14 ---
  15  drivers/soc/fsl/dpio/qbman-portal.c | 4 ++--
  16  1 file changed, 2 insertions(+), 2 deletions(-)
  17
  18 --- a/drivers/soc/fsl/dpio/qbman-portal.c
  19 +++ b/drivers/soc/fsl/dpio/qbman-portal.c
  20 @@ -299,7 +299,7 @@ struct qbman_swp *qbman_swp_init(const s
  21                         1, /* mem stashing priority enable */
  22                         1, /* mem stashing enable */
  23                         1, /* dequeue stashing priority enable */
  24 -                       0, /* dequeue stashing enable enable */
  25 +                       1, /* dequeue stashing enable enable */
  26                         0); /* EQCR_CI stashing priority enable */
  27         } else {
  28                 memset(p->addr_cena, 0, 64 * 1024);
  29 @@ -313,7 +313,7 @@ struct qbman_swp *qbman_swp_init(const s
  30                         1, /* mem stashing priority enable */
  31                         1, /* mem stashing enable */
  32                         1, /* dequeue stashing priority enable */
  33 -                       0, /* dequeue stashing enable */
  34 +                       1, /* dequeue stashing enable */
  35                         0); /* EQCR_CI stashing priority enable */
  36                 reg |= 1 << SWP_CFG_CPBS_SHIFT | /* memory-backed mode */
  37                        1 << SWP_CFG_VPM_SHIFT |  /* VDQCR read triggered mode */