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 66B3226F47B; Tue, 25 Mar 2025 12:40:13 +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=1742906413; cv=none; b=jjopXV3yIiUUVGlDAbLhs+fcGOkmhVTnTuFVs6cyPfemXGWG6jrXAaDCtkNQAtAX21hpdZ9qC0DgqCE2QPWzDIvdg8i0nI3Ck+is2cDf91pYQdlc1+ma6t41dX3kCeWrhDh0MOCIZIi6bdMqiQKWCzvVFPc1yfiNsoX8wa2qbFQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742906413; c=relaxed/simple; bh=5W/6a3ATg9fTIYyOG7WAUyPH6uSTcPcEgXKc5+q6Xk4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EeVVOLIezLRyldH1vn21wcTPJHEkcD+jVBapf6HUwSPauLyYx0fGp8dDCAWx4Bs2icQD3fqFE1hXtVUtUGDtmlyqlGACITYgP719dGXEEgMa0FW9mcNeQo1ksBIRM012hGJS4ceKNFeuOg4ew2qtGpRmeaaBvpR12k1YfR5BSSI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=RBEjpyHS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="RBEjpyHS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 07106C4CEE4; Tue, 25 Mar 2025 12:40:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1742906413; bh=5W/6a3ATg9fTIYyOG7WAUyPH6uSTcPcEgXKc5+q6Xk4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RBEjpyHSNVmamI/XU11i5kim2VqNbgGQivi27rbOrG2ZQPhpsNQwSVFNW73fgF02d lEawqsHklfB/eZ8Lr3u+HFYmyOQC0xDDYe3CG2KgCWLX8hJ2B1MoF4w7Hlt52GVikg 5eL40/RqL5etaXbr3D/hvTb9SBu6I1YYwAjYRkaM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kenneth Feng , Alex Deucher Subject: [PATCH 6.12 097/116] drm/amdgpu/pm: wire up hwmon fan speed for smu 14.0.2 Date: Tue, 25 Mar 2025 08:23:04 -0400 Message-ID: <20250325122151.688150536@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250325122149.207086105@linuxfoundation.org> References: <20250325122149.207086105@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit 5ca0040ecfe8ba0dee9df1f559e8d7587f12bf89 upstream. Add callbacks for fan speed fetching. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4034 Reviewed-by: Kenneth Feng Signed-off-by: Alex Deucher (cherry picked from commit 90df6db62fa78a8ab0b705ec38db99c7973b95d6) Cc: stable@vger.kernel.org # 6.12.x Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) --- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c @@ -1628,6 +1628,39 @@ out: adev->unique_id = ((uint64_t)upper32 << 32) | lower32; } +static int smu_v14_0_2_get_fan_speed_pwm(struct smu_context *smu, + uint32_t *speed) +{ + int ret; + + if (!speed) + return -EINVAL; + + ret = smu_v14_0_2_get_smu_metrics_data(smu, + METRICS_CURR_FANPWM, + speed); + if (ret) { + dev_err(smu->adev->dev, "Failed to get fan speed(PWM)!"); + return ret; + } + + /* Convert the PMFW output which is in percent to pwm(255) based */ + *speed = min(*speed * 255 / 100, (uint32_t)255); + + return 0; +} + +static int smu_v14_0_2_get_fan_speed_rpm(struct smu_context *smu, + uint32_t *speed) +{ + if (!speed) + return -EINVAL; + + return smu_v14_0_2_get_smu_metrics_data(smu, + METRICS_CURR_FANSPEED, + speed); +} + static int smu_v14_0_2_get_power_limit(struct smu_context *smu, uint32_t *current_power_limit, uint32_t *default_power_limit, @@ -2794,6 +2827,8 @@ static const struct pptable_funcs smu_v1 .set_performance_level = smu_v14_0_set_performance_level, .gfx_off_control = smu_v14_0_gfx_off_control, .get_unique_id = smu_v14_0_2_get_unique_id, + .get_fan_speed_pwm = smu_v14_0_2_get_fan_speed_pwm, + .get_fan_speed_rpm = smu_v14_0_2_get_fan_speed_rpm, .get_power_limit = smu_v14_0_2_get_power_limit, .set_power_limit = smu_v14_0_2_set_power_limit, .get_power_profile_mode = smu_v14_0_2_get_power_profile_mode,