On Wed Apr 16, 2025 at 4:12 AM BST, Fugang Duan wrote:
发件人: Alexey Klimov alexey.klimov@linaro.org 发送时间: 2025年4月16日 2:28
#regzbot introduced: v6.12..v6.13
[..]
The only change related to hdp_v5_0_flush_hdp() was cf424020e040 drm/amdgpu/hdp5.0: do a posting read when flushing HDP
Reverting that commit ^^ did help and resolved that problem. Before sending revert as-is I was interested to know if there supposed to be a proper fix for this or maybe someone is interested to debug this or have any suggestions.
Can you revert the change and try again https://gitlab.com/linux-kernel/linux/-/commit/cf424020e040be35df05b682b546b...
Please read my email in the first place. Let me quote just in case:
The only change related to hdp_v5_0_flush_hdp() was cf424020e040 drm/amdgpu/hdp5.0: do a posting read when flushing HDP
Reverting that commit ^^ did help and resolved that problem.
Thanks, Alexey