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 0592DE56A; Mon, 4 May 2026 06:15:50 +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=1777875351; cv=none; b=IoDTghFZSzTVK/9Ay/aZlWD3SWOJfEuD6uz/p0kx9jZB1CKZyHBTN7OklQfJc/M7TQv1alPYXKLBj8K6ldPXMux15B8+HtajdQDoxsdlbgthUTtk1u6zI6KQGPRzgokQ7cwsA4WRciHVplm/vQnnI4KA+j1bdxke0Vp3U/KfycE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777875351; c=relaxed/simple; bh=bt+hPFYYNbZdxzCJfA44fBJlfQ7pJF3zNfqkgtBhs24=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Sh2XtxOcH/g6ZvQjhtvwCpBYwZU/lqBfopBg0dfnIaKbZBdlIdvA9+wU03L5yc0eVxixlS+gUIGE2zZ3sCNQ9Gej3anMZKAz1z5wcwMGwJBIR/1z3doacIxPbMSmywycRVquItZgnNmkAztucdgiR+RVsPjweFRC+wBPC8E1C4I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Opffhxl2; 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="Opffhxl2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33D0FC2BCC9; Mon, 4 May 2026 06:15:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777875350; bh=bt+hPFYYNbZdxzCJfA44fBJlfQ7pJF3zNfqkgtBhs24=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Opffhxl2bQ+IJWVpS/aE0X5zgH6cqkttNO8KSTmu/i4ra0s5HKfwaWkp8JKLUSKjr tjOrg8YZ6qvMMOIblyiHGFIcUyGEjZfqRa4N7pHuT5SJp9HkC/fTrdeyQV3ct+5K56 fD2V2Po7DqchWnhN+NgqqE4V1sgtKGonlzfoyRgD9UzosuKrPZMbBat6B60ygX1a8r SIfGIu9uIh2NJTYCZMHIT1c2YkBfi9/+yXQe/ei6XH8M//33Yi6cGBIzZ4eHz7eZ/8 uYpIDotXHBBr7O67jIb5+L+IHvn6PDRitk02+W+g2/xQpfeHvT3LadJsHOA9lzDkPx i1hz24aU9Wj/Q== Message-ID: Date: Mon, 4 May 2026 08:15:46 +0200 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6.19 001/311] drm/amd/pm: disable OD_FAN_CURVE if temp or pwm range invalid for smu v13 To: Greg Kroah-Hartman , stable@vger.kernel.org Cc: patches@lists.linux.dev, Yang Wang , Alex Deucher , Sasha Levin References: <20260408175939.393281918@linuxfoundation.org> <20260408175939.452810365@linuxfoundation.org> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 08. 04. 26, 20:00, Greg Kroah-Hartman wrote: > 6.19-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Yang Wang > > [ Upstream commit 3e6dd28a11083e83e11a284d99fcc9eb748c321c ] This appears to break 6.19.12 wrt fan speed on Radeon Pro W7700: https://bugzilla.suse.com/show_bug.cgi?id=1263854 7.0 is broken the same way. They say: > As mentioned in the summary, lact fails to control the fan speed on my > AMD Radeon PRO W7700 graphic card. It worked perfectly until kernel > 6.19.11 but failed after upgrading to kernel 6.19.12 and also fails > with actual kernel 7.0.2. > > I assume the problem is related to the following kernel commit to > kernel 6.19.12: > > commit 9b96266a2d469ca6576fd0a071a48e71a9436686 > Author: Yang Wang > Date: Wed Apr 1 12:16:37 2026 -0400 > > Since kernel 6.19.12 the "gpu_od"-Folder under > > /sys/class/drm/card1/device/ > > does no longer exist, so lactd fails to read/write data within that folder > and beyond. > > My problem is that the 'sensors' utility reports high memory temperatures on > my W7700. Even when idle the memory stays above 75°C and and rises up to > 102°C when watching an AV1-encoded movie. > > The fan is now controlled solely by the Radeon firmware. The fan runs > at ~600 rpm (30%) and does not speed up when the memory temperature > approaches the critical value of 105°C. > > The current situation, with temperatures running very high, is likely to > have a negative impact on the graphics card's lifespan. > > # sensors amdgpu-pci-e300 > amdgpu-pci-e300 > Adapter: PCI adapter > vddgfx: 179.00 mV > fan1: 596 RPM (min = 0 RPM, max = 5300 RPM) > edge: +63.0°C (crit = +100.0°C, hyst = -273.1°C) > (emerg = +105.0°C) > junction: +70.0°C (crit = +105.0°C, hyst = -273.1°C) > (emerg = +110.0°C) > mem: +84.0°C (crit = +105.0°C, hyst = -273.1°C) <=== idle+) > (emerg = +110.0°C) > PPT: 49.00 W (cap = 150.00 W) > pwm1: 38% > sclk: 15 MHz > mclk: 772 MHz > > +) i noticed that e.g. the firefox browser has a negative impact on the > mlck value and the therefore the mem temperature. > > The possibility to set the fan min to 900-1000 rpm with lact has helped > to keep the temperatures below 65°C when idle and below 85°C when playing > an AV1-encoded movie. Any ideas? > Forcibly disable the OD_FAN_CURVE feature when temperature or PWM range is invalid, > otherwise PMFW will reject this configuration on smu v13.0.x > > example: > $ sudo cat /sys/bus/pci/devices//gpu_od/fan_ctrl/fan_curve > > OD_FAN_CURVE: > 0: 0C 0% > 1: 0C 0% > 2: 0C 0% > 3: 0C 0% > 4: 0C 0% > OD_RANGE: > FAN_CURVE(hotspot temp): 0C 0C > FAN_CURVE(fan speed): 0% 0% > > $ echo "0 50 40" | sudo tee fan_curve > > kernel log: > [ 756.442527] amdgpu 0000:03:00.0: amdgpu: Fan curve temp setting(50) must be within [0, 0]! > [ 777.345800] amdgpu 0000:03:00.0: amdgpu: Fan curve temp setting(50) must be within [0, 0]! > > Closes: https://github.com/ROCm/amdgpu/issues/208 > Signed-off-by: Yang Wang > Acked-by: Alex Deucher > Signed-off-by: Alex Deucher > (cherry picked from commit 470891606c5a97b1d0d937e0aa67a3bed9fcb056) > Cc: stable@vger.kernel.org > [ adapted forward declaration placement to existing FEATURE_MASK macro ] > Signed-off-by: Sasha Levin > Signed-off-by: Greg Kroah-Hartman thanks, -- js suse labs