From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793302555; b=4toN8KK6hiSAkfVTVuAv8RWComMl4MzaFvyqMiOHKci49PYg+hWtsrq3D/20wpdAOhsf utG/VjhCsgviwiSIMzOIBu7xhx7DEIoeb8kLQq5VvRFQuHgv8gbMInUWPbwP//nDHR4My VPIJUipYTf9m7CTdHa82VkI5WETAbLs4cQHK18/PEMmPoSVn2LnlJj9OudfC/JFtBivoY olwgVZdOy/w770rUADOx7kpi14je+hvmWteGmat03vl2zb4mpZaWVV+99MCACUbIWQgq1 rbgvYMToSDbjojCJzrBD2tIUDf5JqtxfENH1ktRPa2/AusgnHShINA7cmajLZri8d2g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793302555; h=Received:DKIM-Signature:Message-ID:Date:MIME-Version:User-Agent: Subject:Content-Language:To:Cc:References:From:In-Reply-To: Content-Type:Content-Transfer-Encoding; bh=VLoQjKnzZ2TBfGpznbO3XlkHhErxwhsxP3XI3XUarJc=; b=PFSBByp53QE+MEtU7DleVrGzX4WZfS7gf5h/J6tclLVy15ZIHliFJyW2DxHkrwlVCiZD HhngM5sv7Qq4fkCe75mXWqV//MUd+38AxMuPG0LqVnbwD4oupkf8nesPLZ56C0D3S1aij PXa4GFUz+p16x5a2RzOFDKCDQluGLmWPiq7nqO/BTOyvvekLpcPMjLAVldArs+J6AOHCq +CeND1SJVNdC42KVvOh7MBwftY6JzOeAM/TvnAq/JWcRcrRVDLuRIxngym2ir+g0UbIfa PB0pc75+5bhZ04LbH8D2L/q9ifxpJ6oYRBndicpbljfP2ToEBsj0Tme08Mp28Hcr5iA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PpL0NIoR; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24D7D606A31E; Thu, 29 Oct 2026 19:35:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PpL0NIoR Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F06A1F01816; Thu, 29 Oct 2026 19:35:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793302554; bh=VLoQjKnzZ2TBfGpznbO3XlkHhErxwhsxP3XI3XUarJc=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=PpL0NIoRMsBAtrylw0YhjzO/mLkXwSdJayin57LzhD6VZttZ7nekYHk30VYbNlD9A +nSYnbcfuOEcqUkLMcQ7ePkPK+18AquQS7yQnIoiK2sfWHRTiV/RkWPULaLo86iISy 9ovUvbRGKdGi4fZO/m3QUfHJZQBJcacHDQF5cyD5bf3oOLrRB8q8rt9+70Qwj3YiUE bnIctlu7NAKGQ3Jx499zUYOfeDxZIU3M7hHz8SZ0idsCsY0FR1njezjmBhEcJyoea+ c4SjEuL8LW2mGILTn9ql+AtM4TvgXZARFynBrpNd+xVBWzlrG4TTSSjJLAGKO8otbp rnGIyPLf0rx0w== Message-ID: Date: Thu, 29 Oct 2026 14:35:50 -0500 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] cpufreq/amd-pstate register write fixes Content-Language: en-US To: Christian Loehle , "Rafael J . Wysocki" , Viresh Kumar , K Prateek Nayak Cc: "Gautham R . Shenoy" , Perry Yuan , Huang Rui , Dhananjay Ugwekar , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261029121945.854675-1-christian.loehle@arm.com> From: Mario Limonciello In-Reply-To: <20261029121945.854675-1-christian.loehle@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/29/26 07:19, Christian Loehle wrote: > Two issues that popped up when trying to integrate an AMD machine into > my testing for acpi-cppc, in particular for this (otherwise > unrelated) patch: > https://lore.kernel.org/lkml/20261020121846.691218-2-sumitg@nvidia.com/ > > The first is rather straightforward, I think the case was just not > considered during the refactor of the Fixes commit. > The second is part of the resume handling and was introduced when > that restored the register values (DESIRED derived from policy->cur). > My platform seems to handle it well, but it's still strange > behaviour, so why not fix it. > (Also of course the resume value will generally be overwritten and > therefore 'fixed' anyway.) > > Christian Loehle (2): > cpufreq/amd-pstate: Keep minimum requests within policy limits > cpufreq/amd-pstate: Clamp desired perf on resume > > drivers/cpufreq/amd-pstate.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > > base-commit: c339f4010dea8b0d754f84ace70cd1b089878ef8 Thanks for the fixes. I'll pick them up for 7.4-rc2. Acked-by: Mario Limociello (AMD)