linux-kernel - [REGRESSION] Resume from suspend broken in 6.15-rc due to ACP changes.

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Message-ID: <CADDYkjR0JG_JTQeQMAvUJvtb9RxFH6_LzV2Fr_1cnqPTgV_Z8w@mail.gmail.com>
Date: Wed, 16 Apr 2025 13:20:33 +0200
From: Jacek Luczak <difrost.kernel@...il.com>
To: regressions@...ts.linux.dev, broonie@...nel.org, 
	linux-sound@...r.kernel.org, venkataprasad.potturu@....com
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: [REGRESSION] Resume from suspend broken in 6.15-rc due to ACP changes.

Hi,

On my ASUS Vivobook S16 (and on similar ASUS HW - see [1]) on resume
from suspend system dies (no logs available) soon after GPU completes
resume - I can see the login screen, only power cycle left.

I've managed to bisect this as close as possible to following commits:
- [f8b4f3f525e82d78079a6ebbde68e4a0d79fd1c0] ASoC: amd: acp: Refactor
acp70 platform resource structure
- [c8b5f251f0e53edab220ac4edf444120815fed3c] ASoC: amd: acp: Remove white line
- [a95a1dbbd3d64adf392fed13c8eef4f72b4e5b90] ASoC: amd: acp: Move
spin_lock and list initialization to acp-pci driver
- [e3933683b25e2cc94485da4909e3338e1a177b39] ASoC: amd: acp: Remove
redundant acp_dev_data structure
- [aaf7a668bb3814f084f9f6f673567f6aa316632f] ASoC: amd: acp: Add new
interrupt handle callbacks in acp_common_hw_ops

Attached lspci and bisection log.

Regards,
-jacek

[1] https://bbs.archlinux.org/viewtopic.php?id=304816

View attachment "bisect-2.log" of type "text/x-log" (5571 bytes)

View attachment "lspci.log" of type "text/x-log" (3906 bytes)