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[5.4,057/111] amd-xgbe: Update DMA coherency values

Message ID	20210412084006.164635352@linuxfoundation.org
State	Superseded
Headers	show Return-Path: <stable-owner@kernel.org> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Shyam Sundar S K <Shyam-sundar.S-k@amd.com>, Tom Lendacky <thomas.lendacky@amd.com>, "David S. Miller" <davem@davemloft.net>, Sasha Levin <sashal@kernel.org> Subject: [PATCH 5.4 057/111] amd-xgbe: Update DMA coherency values Date: Mon, 12 Apr 2021 10:40:35 +0200 Message-Id: <20210412084006.164635352@linuxfoundation.org> In-Reply-To: <20210412084004.200986670@linuxfoundation.org> References: <20210412084004.200986670@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	None \| expand [5.4,002/111] ALSA: aloop: Fix initialization of controls [5.4,004/111] ASoC: intel: atom: Stop advertising non working S24LE support [5.4,006/111] nfc: fix refcount leak in llcp_sock_connect() [5.4,008/111] nfc: Avoid endless loops caused by repeated llcp_sock_connect() [5.4,009/111] xen/evtchn: Change irq_info lock to raw_spinlock_t [5.4,011/111] net: dsa: lantiq_gswip: Let GSWIP automatically set the xMII clock [5.4,013/111] gcov: re-fix clang-11+ support [5.4,017/111] fs: direct-io: fix missing sdio->boundary [5.4,022/111] ice: Increase control queue timeout [5.4,023/111] ice: Fix for dereference of NULL pointer [5.4,025/111] net: hso: fix null-ptr-deref during tty device unregistration [5.4,027/111] bpf, sockmap: Fix sk->prot unhash op reset [5.4,029/111] i40e: Fix sparse warning: missing error code err [5.4,032/111] mac80211: fix TXQ AC confusion [5.4,034/111] net-ipv6: bugfix - raw & sctp - switch to ipv6_can_nonlocal_bind() [5.4,037/111] usbip: stub-dev synchronize sysfs code paths [5.4,038/111] usbip: vudc synchronize sysfs code paths [5.4,040/111] i2c: turn recovery error on init to debug [5.4,041/111] virtio_net: Add XDP meta data support [5.4,043/111] net: dsa: lantiq_gswip: Dont use PHY auto polling [5.4,045/111] xfrm: interface: fix ipv4 pmtu check to honor ip header df [5.4,047/111] net: xfrm: Localize sequence counter per network namespace [5.4,048/111] esp: delete NETIF_F_SCTP_CRC bit from features for esp offload [5.4,050/111] ASoC: SOF: Intel: HDA: fix core status verification [5.4,051/111] ASoC: wm8960: Fix wrong bclk and lrclk with pll enabled for some chips [5.4,054/111] i40e: Fix kernel oops when i40e driver removes VFs [5.4,057/111] amd-xgbe: Update DMA coherency values [5.4,058/111] sch_red: fix off-by-one checks in red_check_params() [5.4,060/111] can: bcm/raw: fix msg_namelen values depending on CAN_REQUIRED_SIZE [5.4,062/111] cxgb4: avoid collecting SGE_QBASE regs during traffic [5.4,063/111] net:tipc: Fix a double free in tipc_sk_mcast_rcv [5.4,065/111] net/ncsi: Avoid channel_monitor hrtimer deadlock [5.4,066/111] nfp: flower: ignore duplicate merge hints from FW [5.4,068/111] ASoC: sunxi: sun4i-codec: fill ASoC card owner [5.4,069/111] net/mlx5e: Fix ethtool indication of connector type [5.4,071/111] net/rds: Fix a use after free in rds_message_map_pages [5.4,072/111] soc/fsl: qbman: fix conflicting alignment attributes [5.4,073/111] i40e: Fix display statistics for veb_tc [5.4,075/111] net: udp: Add support for getsockopt(..., ..., UDP_GRO, ..., ...); [5.4,076/111] scsi: ufs: Fix irq return code [5.4,078/111] scsi: ufs: Use blk_{get,put}_request() to allocate and free TMFs [5.4,081/111] net: macb: restore cmp registers on resume path [5.4,082/111] clk: fix invalid usage of list cursor in register [5.4,083/111] clk: fix invalid usage of list cursor in unregister [5.4,086/111] perf inject: Fix repipe usage [5.4,089/111] net: hns3: clear VF down state bit before request link status [5.4,092/111] RDMA/cxgb4: check for ipv6 address properly while destroying listener [5.4,094/111] RAS/CEC: Correct ce_add_elem()s returned values [5.4,095/111] clk: socfpga: fix iomem pointer cast on 64-bit [5.4,098/111] cfg80211: remove WARN_ON() in cfg80211_sme_connect [5.4,099/111] net: tun: set tun->dev->addr_len during TUNSETLINK processing [5.4,101/111] drivers: net: fix memory leak in peak_usb_create_dev [5.4,102/111] net: mac802154: Fix general protection fault [5.4,105/111] net: ieee802154: fix nl802154 del llsec dev [5.4,109/111] net: ieee802154: forbid monitor for del llsec seclevel [5.4,110/111] net: ieee802154: stop dump llsec params for monitors [5.4,111/111] Revert "cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath."

Commit Message

Greg Kroah-Hartman April 12, 2021, 8:40 a.m. UTC

From: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>

[ Upstream commit d75135082698140a26a56defe1bbc1b06f26a41f ]

Based on the IOMMU configuration, the current cache control settings can
result in possible coherency issues. The hardware team has recommended
new settings for the PCI device path to eliminate the issue.

Fixes: 6f595959c095 ("amd-xgbe: Adjust register settings to improve performance")
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/amd/xgbe/xgbe.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff mbox series

Patch

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index 47bcbcf58048..0c93a552b921 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -181,9 +181,9 @@ 
 #define XGBE_DMA_SYS_AWCR	0x30303030
 
 /* DMA cache settings - PCI device */
-#define XGBE_DMA_PCI_ARCR	0x00000003
-#define XGBE_DMA_PCI_AWCR	0x13131313
-#define XGBE_DMA_PCI_AWARCR	0x00000313
+#define XGBE_DMA_PCI_ARCR	0x000f0f0f
+#define XGBE_DMA_PCI_AWCR	0x0f0f0f0f
+#define XGBE_DMA_PCI_AWARCR	0x00000f0f
 
 /* DMA channel interrupt modes */
 #define XGBE_IRQ_MODE_EDGE	0