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 A24B1332EA7 for ; Sat, 30 May 2026 17:58:46 +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=1780163926; cv=none; b=g6Xnp3vULmChZGCDs+ORG+jCv59PaCa5EtMRXkbYl52PVa9MlV3dfooe17ej5G9PAz9iHZZ3ZQ410uhaUJ0KqMEMXm+cgoFn6yTEUzb8HA2Plsm+bYLpblpr5Jfi7f+6df45WlUWUpuRiPRQejJgkrevDP3mNOmXQz1wAadPHtw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780163926; c=relaxed/simple; bh=fNdk9jdEFqqDYyfzGyWd7wyXR1LalDJ/Qa1mqrvxmBA=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=ecr/cSmVmOvTvRgiDwBnZtvoYvFtHB0DtSxm8OSxTom2ydtEjaJL77/jiBmhjY9MMKQW1FNV6IhvWQnyN/2zD6prdxc4ck/owAwN2L0+ylWP9db3KQCM524H7rdapoy+d5us3gscpPa1Ci60iVjMsCs0f+KjEmDS0qYqwEuEDaY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ma+5CuMb; 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="Ma+5CuMb" Received: by smtp.kernel.org (Postfix) with ESMTPS id 48C86C19425 for ; Sat, 30 May 2026 17:58:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1780163926; bh=fNdk9jdEFqqDYyfzGyWd7wyXR1LalDJ/Qa1mqrvxmBA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Ma+5CuMb49JE6oAJEyA4PqVA5/istSZytuYLrZcb0BRLmHdyGdFg2v42kf1YGcyOe uN2OgR6GDu3+IuySm5jj7Be898ySoasImIS11YCy4HKJki0PuTv7IAMgj7eLF2IAES ffm8j1kakEWsPQd/Mytl+e0iZ5HiVHPyw7tnjGVRN+bzxtg17p2ewDCblzdRMyn6nV tkuwH+vJMk8zW6NymwCzlMQagDseaY9s08d8py04PCrUyk/SKoIV99103kdvJrBYdx qkd3Iy/pC/Vlidl3ZNIYo5AFjO0hGizT62k6vw5TPGVNTyE4xT2ezW979fl2Ydb4Is mKjNsh8rqjwqw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 3810CC53BBF; Sat, 30 May 2026 17:58:46 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 221505] REGRESSION][amd_pstate] "EPP cannot be set under performance policy" (EBUSY) when switching to performance profile via PPD on 7.1 Date: Sat, 30 May 2026 17:58:45 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Power Management X-Bugzilla-Component: cpufreq X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: alexaandru@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: linux-pm@vger.kernel.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: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D221505 --- Comment #29 from Alex Ungur (alexaandru@gmail.com) --- That patch works for me on 7.1-rc5 (AMD Ryzen AI 9 HX 370). ``` $ cat /sys/devices/system/cpu/amd_pstate/status active $ cat /sys/devices/system/cpu/amd_pstate/dynamic_epp disabled $ cat /sys/devices/system/cpu/amd_pstate/prefcore enabled ``` --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=