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 4FD8815A498 for ; Thu, 1 Feb 2024 08:56:38 +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=1706777798; cv=none; b=RA2M/S9N575hX6F+ZbY94Gytxo5plFkSg2p1rtcoC0bd7TKqOXXZcA3iV0WwFmQB5nr5hf4uXpmoMNIVU72twluDt+zjJTfSrpmNuXAHsWpd7Zci/sA8XLuZe4/BwyPe6s9GRpGkJ//x09ABljr5aYt5wtQ/UTWfFZebEhNcoOE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706777798; c=relaxed/simple; bh=joWe/uQnLhPHYqZePLww3c88V9y3rxMwVr7bQ94hT1c=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=bORYNku9MJG8GRaZKu233xhCH4qumKpSq1P2r3Gl4suNc3L0SnVsWASWWeI9jQg3l7h0MkdzplWbi7E81vm5+v9nPj9wTUPtFj++9sZXeZzXJ1WdZR/ROSnbBSVtTSyvvtf55CvQtQ+tPq8vhCN+YKF601mEAS+/QrXQcqrrckg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FQKgUS8z; 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="FQKgUS8z" Received: by smtp.kernel.org (Postfix) with ESMTPS id CD842C433A6 for ; Thu, 1 Feb 2024 08:56:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706777797; bh=joWe/uQnLhPHYqZePLww3c88V9y3rxMwVr7bQ94hT1c=; h=From:To:Subject:Date:In-Reply-To:References:From; b=FQKgUS8zrWYsGaQ29xRVVt2UKCJ2f90cCqmwYSnxZmED15CF7y9PyEX2pfYgA3rqG eZlXfVRk1k0wSCUmuxC4/q5CyYF3sPLarWc9rVnLHdv0V5KwVl/sdB+XWlY9aNoTdm ytdSjHeDQf63HkFRypSosbEyLF8NrHQM2/FUYIIuz6lF+Nd7KmIMhLJwVLSJ0yOv5a hOV64sf9NiXgoUDyPXuY0UMaNXIOwpX+IqCtxQo8cuMK12rW+rapIJkmLL7VUj3whg P7mdTFg3zOhRUwr5HP3ZmdFrOcBNh9t1YmF33hJf2157OEziRXeHfde0PKFuJKP6tF JJ2xjLXSVuN9A== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id BB22DC53BD5; Thu, 1 Feb 2024 08:56:37 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 217931] amd-pstate lacks crucial features: CPU frequency and boost control Date: Thu, 01 Feb 2024 08:56:37 +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: high X-Bugzilla-Who: Perry.Yuan@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=3D217931 --- Comment #44 from Perry Yuan(AMD) (Perry.Yuan@amd.com) --- cpufreq_freq_attr_ro(amd_pstate_max_freq); the sysfs entry is ready only, so it is not allowing to write the new max f= req value to it. you can try to limit the freq with scaling_max_freq and scaling_min_freq. The boost patches and scaling_max_freq support are not same topics, if the boost patches can work, however scaling_max_freq is not working, we can fil= e a new ticket to track that problem. Perry. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=