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PCI: Mark Px210 PCI-E Extended Tags as broken #223

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Merged
merged 1 commit into from
May 28, 2024
Merged

PCI: Mark Px210 PCI-E Extended Tags as broken #223

merged 1 commit into from
May 28, 2024

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@wangzhimin1179
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@wangzhimin1179 wangzhimin1179 commented May 28, 2024

针对飞腾x100的pcie设备。关闭 Extended Tag 。

@wangzhimin1179
PCI: Mark Px210 PCI-E Extended Tags as broken
647e86a 
Per PCIe r3.1, sec 2.2.6.2 and 7.8.4, a Requester may not use 8-bit
Tags unless its Extended Tag Field Enable is set, but all
Receivers/Completers must handle 8-bit Tags correctly regardless of
their Extended Tag Field Enable.

Phytium Px210 chipset has some issues with 8-bit Tags enabled when
doing DMA operations, add this quirk to disable Extended Tags for
the entire hierarchy to avoid the problem.

Signed-off-by: Liu Tao <[email protected]>
Signed-off-by: Chen Baozi <[email protected]>
Signed-off-by: Wang Yinfeng <[email protected]>
Signed-off-by: Wang Zhimin <[email protected]>
Signed-off-by: wangzhimin1179 <[email protected]>
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[APPROVALNOTIFIER] This PR is NOT APPROVED

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deepin-ci-robot commented May 28, 2024

Hi @wangzhimin1179. Thanks for your PR.

I'm waiting for a deepin-community member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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@Avenger-285714 Avenger-285714 merged commit 0d8acba into deepin-community:linux-6.6.y May 28, 2024
@MingcongBai MingcongBai mentioned this pull request May 28, 2024
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@MingcongBai MingcongBai mentioned this pull request Jun 27, 2024
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@MingcongBai MingcongBai mentioned this pull request Aug 20, 2024
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