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Fri, 13 Dec 2024 13:37:26 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4BDDbOnQ017995 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Dec 2024 13:37:24 GMT Received: from [10.204.101.130] (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; Fri, 13 Dec 2024 05:37:17 -0800 Message-ID: Date: Fri, 13 Dec 2024 19:07:14 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/4] dt-bindings: display/msm/gmu: Document RGMU To: Konrad Dybcio , Rob Clark , Sean Paul , Konrad Dybcio , Abhinav Kumar , "Dmitry Baryshkov" , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Bjorn Andersson" CC: , , , , , <20241104-add_initial_support_for_qcs615-v5-4-9dde8d7b80b0@quicinc.com>, <20241022-qcs615-clock-driver-v4-3-3d716ad0d987@quicinc.com>, <20240924143958.25-2-quic_rlaggysh@quicinc.com>, <20241108-qcs615-mm-clockcontroller-v3-7-7d3b2d235fdf@quicinc.com>, <20241108-qcs615-mm-dt-nodes-v1-1-b2669cac0624@quicinc.com>, <20241122074922.28153-1-quic_qqzhou@quicinc.com> References: <20241213-qcs615-gpu-dt-v2-0-6606c64f03b5@quicinc.com> <20241213-qcs615-gpu-dt-v2-2-6606c64f03b5@quicinc.com> <28bf46a5-dedb-4491-b9be-23fdfb99035f@oss.qualcomm.com> Content-Language: en-US From: Akhil P Oommen In-Reply-To: <28bf46a5-dedb-4491-b9be-23fdfb99035f@oss.qualcomm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit 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-ORIG-GUID: F2-cLpN7sj4SRHwnUinA5cU8tO6xNmBd X-Proofpoint-GUID: F2-cLpN7sj4SRHwnUinA5cU8tO6xNmBd 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 clxscore=1015 mlxscore=0 phishscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 spamscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130096 On 12/13/2024 4:23 PM, Konrad Dybcio wrote: > On 13.12.2024 11:35 AM, Akhil P Oommen wrote: >> RGMU a.k.a Reduced Graphics Management Unit is a small state machine >> with the sole purpose of providing IFPC support. Compared to GMU, it >> doesn't manage GPU clock, voltage scaling, bw voting or any other >> functionalities. All it does is detect an idle GPU and toggle the >> GDSC switch. So it doesn't require iommu & opp table. >> >> Signed-off-by: Akhil P Oommen >> --- > > The bindings file exists so that people that are not in the know, can > reference it and learn about the hardware. Please spell out IFPC, as > that's a non-obvious, hw-specific acronym. > > Otherwise looks ok Ah right. Krzysztof schooled me that a while ago. Will update. -Akhil. > > Konrad