amd-xgbe: Update DMA coherency values

[ Upstream commit d751350826 ]

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: 6f595959c0 ("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>
This commit is contained in:
Shyam Sundar S K 2021-03-25 08:39:12 +05:30 • committed by Greg Kroah-Hartman
commit f33f79703a