diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0009-amd-xgbe-increased-cdr-delay.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0009-amd-xgbe-increased-cdr-delay.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0009-amd-xgbe-increased-cdr-delay.patch b/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0009-amd-xgbe-increased-cdr-delay.patch new file mode 100644 index 00000000..19eedbf1 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-5.10/linux-yocto-5.10.47-amdx86/0009-amd-xgbe-increased-cdr-delay.patch @@ -0,0 +1,35 @@ +From f811f3596ae62941ce01aa84beef4159844de39f Mon Sep 17 00:00:00 2001 +From: Sudheesh Mavila <sudheesh.mavila@amd.com> +Date: Wed, 11 Nov 2020 12:13:33 +0530 +Subject: [PATCH 09/10] amd-xgbe: increased cdr delay + +amd-xgbe driver needs delay to emable CDR. +Some link partner's use 20ms of idle time before sending valid clock. +The patch uses a delay of 22ms for the first time and increases +by a step of 22ms. + +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +index a043c30358d2..f3566a480f2d 100644 +--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c ++++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +@@ -149,9 +149,9 @@ + #define XGBE_RATECHANGE_COUNT 500 + + /* CDR delay values for KR support (in usec) */ +-#define XGBE_CDR_DELAY_INIT 10000 +-#define XGBE_CDR_DELAY_INC 10000 +-#define XGBE_CDR_DELAY_MAX 100000 ++#define XGBE_CDR_DELAY_INIT 22000 ++#define XGBE_CDR_DELAY_INC 22000 ++#define XGBE_CDR_DELAY_MAX 110000 + + /* RRC frequency during link status check */ + #define XGBE_RRC_FREQUENCY 10 +-- +2.17.1 + |