From patchwork Mon Dec 30 21:11:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil P Oommen X-Patchwork-Id: 13923470 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A04E5E77188 for ; Mon, 30 Dec 2024 21:11:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 291BC10E592; Mon, 30 Dec 2024 21:11:54 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.b="J48s2zEi"; dkim-atps=neutral Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9BE9E10E593; Mon, 30 Dec 2024 21:11:52 +0000 (UTC) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4BUKjhNH007790; Mon, 30 Dec 2024 21:11:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= t8e/RYNdPtzWjmAPrNek3DccTlB5RaBsu4+1+5ZETVY=; b=J48s2zEi8K3hUKeb b4njrAc1XMoH5KNmx8v2aDk0WP3j7a5CX5J1LbnynPmtmed88ooWeRkwzvq2cVL3 ZO4cPjW8fp4Qv87vzAtGqm86J0PBSGgS44KEV3k3UWmbTUQsHimaYEgVRwVX5N0U SHAfs/OgQ1oCVcNy0ng68wMWqRQnqRjNQpSD3J03oFuPDTlddAVoXYOZPRUNlgNZ Kp4LlYRzag7fFoufIf05iSXmlXf9K/tDL5IgPcoVYG46w4egFmypR/cq63EId6FB GLaFXYgjbmfgt3wwqBPovP4QnZYcShzLVAfEzu2G2m3kQx9714ntW1g9iFEnjBsb lhsfwg== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 43v0368cba-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 30 Dec 2024 21:11:47 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4BULBlBX001637 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 30 Dec 2024 21:11:47 GMT Received: from [10.213.111.143] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 30 Dec 2024 13:11:41 -0800 From: Akhil P Oommen Date: Tue, 31 Dec 2024 02:41:05 +0530 Subject: [PATCH v3 4/6] dt-bindings: opp: Add v2-qcom-adreno vendor bindings MIME-Version: 1.0 Message-ID: <20241231-gpu-acd-v3-4-3ba73660e9ca@quicinc.com> References: <20241231-gpu-acd-v3-0-3ba73660e9ca@quicinc.com> In-Reply-To: <20241231-gpu-acd-v3-0-3ba73660e9ca@quicinc.com> To: Rob Clark , Sean Paul , "Konrad Dybcio" , Abhinav Kumar , Dmitry Baryshkov , Marijn Suijten , David Airlie , "Simona Vetter" , Viresh Kumar , Nishanth Menon , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Akhil P Oommen , Bjorn Andersson CC: , , , , , X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1735593076; l=4473; i=quic_akhilpo@quicinc.com; s=20240726; h=from:subject:message-id; bh=v1H9hPEmwq+1KQk4ZihY9QFdNy9cZ2zvYnoLVk2L/OE=; b=8vOCoDky4wyLLtvgGgx6jNDy4mgGtVw3qeTaE6smq+aLe1jbBYJyW7Y+m3JXeolLJUo+tJFCH 34oTJuLJPwCDXZ9zarpVeSztimr99HX8025d8ilFtoI0gN2i4nMDlJ2 X-Developer-Key: i=quic_akhilpo@quicinc.com; a=ed25519; pk=lmVtttSHmAUYFnJsQHX80IIRmYmXA4+CzpGcWOOsfKA= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Y-ysNZ8uMssHMREa5t9dJwT3H56sn1j1 X-Proofpoint-ORIG-GUID: Y-ysNZ8uMssHMREa5t9dJwT3H56sn1j1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxscore=0 mlxlogscore=999 clxscore=1015 malwarescore=0 priorityscore=1501 phishscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412300182 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add a new schema which extends opp-v2 to support a new vendor specific property required for Adreno GPUs found in Qualcomm's SoCs. The new property called "qcom,opp-acd-level" carries a u32 value recommended for each opp needs to be shared to GMU during runtime. Also, update MAINTAINERS file include the new opp-v2-qcom-adreno.yaml. Cc: Rob Clark Signed-off-by: Akhil P Oommen --- .../bindings/opp/opp-v2-qcom-adreno.yaml | 97 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 98 insertions(+) diff --git a/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml b/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml new file mode 100644 index 000000000000..b7874f43aaf6 --- /dev/null +++ b/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/opp/opp-v2-qcom-adreno.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Adreno compatible OPP supply + +description: + Adreno GPUs present in Qualcomm's Snapdragon chipsets uses an OPP specific + ACD related information tailored for the specific chipset. This binding + provides the information needed to describe such a hardware value. + +maintainers: + - Rob Clark + +allOf: + - $ref: opp-v2-base.yaml# + +properties: + compatible: + items: + - const: operating-points-v2-adreno + - const: operating-points-v2 + +patternProperties: + '^opp-[0-9]+$': + type: object + additionalProperties: false + + properties: + opp-hz: true + + opp-level: true + + opp-peak-kBps: true + + opp-supported-hw: true + + qcom,opp-acd-level: + description: | + A positive value representing the ACD (Adaptive Clock Distribution, + a fancy name for clk throttling during voltage droop) level associated + with this OPP node. This value is shared to a co-processor inside GPU + (called Graphics Management Unit a.k.a GMU) during wake up. It may not + be present for some OPPs and GMU will disable ACD while transitioning + to that OPP. This value encodes a voltage threshold, delay cycles & + calibration margins which are identified by characterization of the + SoC. So, it doesn't have any unit. This data is passed to GMU firmware + via 'HFI_H2F_MSG_ACD' packet. + $ref: /schemas/types.yaml#/definitions/uint32 + + required: + - opp-hz + - opp-level + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include + + gpu_opp_table: opp-table { + compatible = "operating-points-v2-adreno", "operating-points-v2"; + + opp-687000000 { + opp-hz = /bits/ 64 <687000000>; + opp-level = ; + opp-peak-kBps = <8171875>; + qcom,opp-acd-level = <0x882e5ffd>; + }; + + opp-550000000 { + opp-hz = /bits/ 64 <550000000>; + opp-level = ; + opp-peak-kBps = <6074219>; + qcom,opp-acd-level = <0xc0285ffd>; + }; + + opp-390000000 { + opp-hz = /bits/ 64 <390000000>; + opp-level = ; + opp-peak-kBps = <3000000>; + qcom,opp-acd-level = <0xc0285ffd>; + }; + + opp-300000000 { + opp-hz = /bits/ 64 <300000000>; + opp-level = ; + opp-peak-kBps = <2136719>; + /* Intentionally left out qcom,opp-acd-level property here */ + }; + +}; diff --git a/MAINTAINERS b/MAINTAINERS index 910305c11e8a..f7119623e1f3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7292,6 +7292,7 @@ S: Maintained B: https://gitlab.freedesktop.org/drm/msm/-/issues T: git https://gitlab.freedesktop.org/drm/msm.git F: Documentation/devicetree/bindings/display/msm/gpu.yaml +F: Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml F: drivers/gpu/drm/msm/adreno/ F: drivers/gpu/drm/msm/msm_gpu.* F: drivers/gpu/drm/msm/msm_gpu_devfreq.*