Bug 2731 - DSA page copy: Avoid Cache control for batch descriptor
Summary: DSA page copy: Avoid Cache control for batch descriptor
Status: RESOLVED FIXED
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: drivers (show other bugs) drivers
Version: unspecified
Hardware: All Linux
: P2-High S2-major
Target Milestone: ---
Assignee: GuixinLiu
QA Contact: shuming
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Reported: 2022-11-04 11:10 UTC by JiangboWu
Modified: 2022-11-07 17:56 UTC (History)
2 users (show)

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Description JiangboWu intel_group 2022-11-04 11:10:02 UTC 
Description of problem:
DSA page clear introduce 'Cache Control' flag into common path and set it as default, page copy using batch descriptor is also impacted by this flag. That is, DSA HW Spec specific that Batch descriptor couldn't apply 'Control Control' flag - Spec 5.5, otherwise HW will report Error Code 0x11 (Invalid flags) - Spec 5.17


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Comment 1 JiangboWu intel_group 2022-11-07 17:56:44 UTC 
Fixed. https://gitee.com/anolis/cloud-kernel/pulls/850