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 57D54DDC3 for ; Sun, 2 Nov 2025 05:27:21 +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=1762061242; cv=none; b=gphP34sRZ011lDNmB+8fM/a/vB+jIRcOwd/ElUhRjG/plRo6V07RZhPUEN+qFbl9RcH2zVYYWoTi8wMkQrdayp6tFhYgKi6ilzsHbESw/z3Wq91Ysm+Q01bPH1y1O5YBsyPYCDISetcz7/O5OMF3GMk1CPyFLpUscfSLpnzTKiA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762061242; c=relaxed/simple; bh=82bDcGjoYQYx67bqguq9z3hz78PwWHx4KVnmWKvq0Po=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=Thln9RDNQbBpSbkvbb0DWtg1wCA6DUCKAaM+KYnc3IVbbPzbHmGxjPXDlnrbFdSlNoAVE/vuAtMWONCKMNNTlAgUWZoXG5bpKfLlXbAE6CLZfy7noDHUvSiQuV0WkyCd89z8QDY8REbhNlLlUbaNa+nVsqLOqkLTqbo84lE2SR0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=msqB9aaS; 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="msqB9aaS" Received: by smtp.kernel.org (Postfix) with ESMTPS id BC8CEC116B1 for ; Sun, 2 Nov 2025 05:27:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762061241; bh=82bDcGjoYQYx67bqguq9z3hz78PwWHx4KVnmWKvq0Po=; h=From:To:Subject:Date:In-Reply-To:References:From; b=msqB9aaSHvX3Rbd5lbYz06aEvxUTbFXcrIsgkUN/fqh0nqA4QKMaSupTUrRa1S8Fb D0TbM6xoUJTuI0XYE4sgxH65sHZCbiIKJBtbgfOxB57/XLb67ksujUi8Fi4jh6gzdY qO07uf9M8Fzj2LTnKgRTXvVedNDEENAz9mJSDc4796XKYuctxyXTwPoquuRdfYVGHP b4RM1Rr90M6itOqK8kLRUsY/PQGnknqBVBNfFlgn4KyGyrO8G9zPpxfqqwtqIaRDnr XXFdup4bZ0q4p6p6GFSXZ5IU1BLWPuFZrlVByhOYqLkvo23duxEH4xeSaw+zcCfWda ceRkMCkSG6DXg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id AEFE5C41616; Sun, 2 Nov 2025 05:27:21 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 220715] [REGRESSION] AMD P-State fails with "_CPC object is not present" on AMD Zen 4 between 6.10 and 6.11 Date: Sun, 02 Nov 2025 05:27:21 +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: mario.limonciello@amd.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=3D220715 --- Comment #7 from Mario Limonciello (AMD) (mario.limonciello@amd.com) --- 3) Does this help? diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index ab4651205e8ad..6da278e398943 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -460,7 +460,7 @@ bool acpi_cpc_valid(void) if (acpi_disabled) return false; - for_each_present_cpu(cpu) { + for_each_enabled_cpu(cpu) { cpc_ptr =3D per_cpu(cpc_desc_ptr, cpu); if (!cpc_ptr) return false; --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=