From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2307D1E5714 for ; Mon, 13 Jul 2026 20:56:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783976171; cv=none; b=ZgpxkB+6tSTvCrSe34Hcq/Hl796evJRE2rmOAgNGJGx79mhRGmPSAO3NfjqrIpU7zuT8LD+fPu9TaHMwU3nCxok24Hi+61MdbiKZ7aLlctjiMi9Xa4y6muPA0cEti0gio10K7r+C4kOubII6Chs9DCWp7eJ36AhB1bHDUJLdiig= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783976171; c=relaxed/simple; bh=YTOuQS/LEnyhYWKAXgqD5M8yS2YmTsQZowODT3tuSYI=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=axtq7M4VqLi0J8wLiTRXdm1lhPq15rj2OXaaTYRnHA21954kQmPJo9eAP92n3kmSP7+DxFJdBu7OHtHFVLEEwx7eyXQGRTCFf3FIYv8HwrJaEN9tRwRjJaeVIqvw8PV4CmM+h8qBgbQKo/2IxinsX/4mFApfA1T4mB4svJGvwDc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gh5muJpa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gh5muJpa" Received: by smtp.kernel.org (Postfix) with ESMTPS id AB910C2BCFB for ; Mon, 13 Jul 2026 20:56:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1783976170; bh=YTOuQS/LEnyhYWKAXgqD5M8yS2YmTsQZowODT3tuSYI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=gh5muJpaVHshNH1mUCHl//GTYrgPouy68ASNY+klC4LLzIaKng+ROnPnUmAo4f0mm /3DHuKxzb8rbPho9leg3WSt+znj0Si0nj3sz5mmEtN4sMriSBTKaxn09BErqeY7CmF jnFLUE/wYurvtKZEk0lAluLE3h9WcFUC2lRnhKWGlnfQiNvqGZ1kiiRXr+NJDFDpNJ SIFab+Y3/c7HisOjeSjkJHT1+cDxA2RcOv7wT5yiZasXafMVnj+cymk62qJr1WNpbh C1jgqEzEnNfyr3Jl4kuDEV4XrQGVEPe+8xEn0cCkwLPWs/KQlKIxmNcq8T6roWGvz3 7eLp8EV0dK7WA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 9B46EC41612; Mon, 13 Jul 2026 20:56:10 +0000 (UTC) From: bugzilla-daemon@kernel.org To: platform-driver-x86@vger.kernel.org Subject: [Bug 218305] Ryzen 7 7840HS gets stuck at 544MHz frequency after resuming after unplugging the power cord during sleep Date: Mon, 13 Jul 2026 20:56:09 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_platform_x86@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Platform_x86 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: blocking X-Bugzilla-Who: pepegnu@gmail.com X-Bugzilla-Status: REOPENED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_platform_x86@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D218305 --- Comment #157 from pepegnu@gmail.com --- Frequency stuck at ~500 MHz after suspend->charge->unplug AC->resume on: * HP EliteBook 6 G1ah 14 inch Notebook PC * AMD Ryzen 5 220 w/ Radeon 740M Graphics * Platform Firmware Information Vendor: HP Version: X77 Ver. 01.04.06 Release Date: 05/12/2026 * uname -a Linux xe 7.1.3-arch1-2 #1 SMP PREEMPT_DYNAMIC Thu, 09 Jul 2026 x86_64 GNU/L= inux How to reproduce: 1) Start charging the laptop with lid closed 2) Detach laptop with lid *closed* from AC power 3) Open the lid. Then frequenccies on most cores remain stuck *low*: # >> Cat files in /sys/devices/system/cpu/cpu*/cpufreq | sort-ed | uniq-ued: /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver: amd-pstate-epp /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor: powersave /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference: balance_power # grep cpu.MHz /proc/cpuinfo | cut -d: -f2| nl -v 0 0 544.363 1 544.358 2 520.431 3 519.626 4 520.400 5 1117.810 6 520.059 7 520.041 8 544.355 9 1117.810 10 520.488 11 1117.810 4) Attach AC-power for 5 sec when the lid is *open* 5) Detach AC-power leaving the *lid open*. The cpu-frequencies 'wake up': # >> Cat files in /sys/devices/system/cpu/cpu*/cpufreq | sort-ed | uniq-ued: /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver: amd-pstate-epp /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor: powersave /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference: balance_power # grep cpu.MHz /proc/cpuinfo | cut -d: -f2| nl -v 0 0 1365.791 1 1367.646 2 2278.527 3 1117.810 4 2278.704 5 1117.810 6 1364.481 7 1366.707 8 2152.118 9 1437.688 10 2275.372 11 2277.464 6) Further repeated flipping the lid and re-opening when run on BAT0 retain= the normal frequencies. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=