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Fri, 05 Dec 2025 05:41:52 -0800 (PST) X-Google-Smtp-Source: AGHT+IHshUqyeSZa92V5Aaq1utR9alONTZF9h0tJSM8m55U93erdoJiSrDaKE4FgBRRU6fmmE70fbg== X-Received: by 2002:a17:903:3d0d:b0:29d:9755:9bd8 with SMTP id d9443c01a7336-29d9755a07bmr74504875ad.22.1764942111841; Fri, 05 Dec 2025 05:41:51 -0800 (PST) Received: from [192.168.1.4] ([106.222.235.197]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29dae49cbdfsm49762375ad.1.2025.12.05.05.41.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Dec 2025 05:41:51 -0800 (PST) Message-ID: Date: Fri, 5 Dec 2025 19:11:43 +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 v3 5/6] arm64: dts: qcom: sm6150: Add gpu and rgmu nodes To: Konrad Dybcio , Dmitry Baryshkov Cc: Rob Clark , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Jessica Zhang , Dan Carpenter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jie Zhang References: <20251122-qcs615-spin-2-v3-0-9f4d4c87f51d@oss.qualcomm.com> <20251122-qcs615-spin-2-v3-5-9f4d4c87f51d@oss.qualcomm.com> <8560ad26-4756-4c2a-97c3-2c5c0695172c@oss.qualcomm.com> <6fa1da5d-9ea7-4d72-a03a-82edc4bef099@oss.qualcomm.com> <9141e67d-2837-4e73-bd3a-9a9c5b8f72f9@oss.qualcomm.com> Content-Language: en-US From: Akhil P Oommen In-Reply-To: <9141e67d-2837-4e73-bd3a-9a9c5b8f72f9@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Veb6/Vp9 c=1 sm=1 tr=0 ts=6932e121 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=jBSxni06C9HboLYAjQ55wg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=PFMJV2I6qJKDnvYOCoAA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: 7tsXxPl0rZTc8BZSgTmLQWodw7EOzELd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA1MDA5OCBTYWx0ZWRfX3rnmCTS5Dl1n fAuxSxJLe6CUC7KA4N9bZ/hrocYqpshoLEiomG5RYViLs5WGHbctijjhZoBVGIv9hA8oV0vHDxj i0XhUaFObYVU2m9wXyIwfMlGT2N6AAP5Qy4uxfCAvlACgBE+zbfJ7kxfqo6EJmpvMezH4DEOjRJ uX6QeCcJwLx5NhpHxtYFJAARnT46XcHDrIaMYML+owYzP9GreY2gNOo8n8VO4Pqvbs4i1cFn/K9 vF9oxXqACh4bc+NiVKMRqI7hDd98skap0LNS05am8wwbVWmKUT2nTL6/+o1CAUpY3iFgjpxhLFI 2dM0mDq62MzGIvg83XO87Lkd5IbNxle3KZj8CKF52cm/b8OA+n3gfWwaqylrRiQrXHJysoPZ/2K DvDkytg2X4IUU/EXdTA4jAqbau3afA== X-Proofpoint-ORIG-GUID: 7tsXxPl0rZTc8BZSgTmLQWodw7EOzELd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-05_04,2025-12-04_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 impostorscore=0 adultscore=0 suspectscore=0 spamscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512050098 On 12/4/2025 7:01 PM, Konrad Dybcio wrote: > On 12/4/25 11:13 AM, Akhil P Oommen wrote: >> On 11/26/2025 6:12 AM, Dmitry Baryshkov wrote: >>> On Sat, Nov 22, 2025 at 03:03:10PM +0100, Konrad Dybcio wrote: >>>> On 11/21/25 10:52 PM, Akhil P Oommen wrote: >>>>> From: Jie Zhang >>>>> >>>>> Add gpu and rgmu nodes for qcs615 chipset. >>>>> >>>>> Signed-off-by: Jie Zhang >>>>> Signed-off-by: Akhil P Oommen >>>>> --- >>>> >>>> [...] >>>> >>>>> + gpu_opp_table: opp-table { >>>>> + compatible = "operating-points-v2"; >>>>> + >>>>> + opp-845000000 { >>>>> + opp-hz = /bits/ 64 <845000000>; >>>>> + required-opps = <&rpmhpd_opp_turbo>; >>>>> + opp-peak-kBps = <7050000>; >>>>> + }; >>>> >>>> I see another speed of 895 @ turbo_l1, perhaps that's for speedbins >>>> or mobile parts specifically? >>> >>> msm-4.14 defines 7 speedbins for SM6150. Akhil, I don't see any of them >>> here. >> >> The IoT/Auto variants have a different frequency plan compared to the >> mobile variant. I reviewed the downstream code and this aligns with that >> except the 290Mhz corner. We can remove that one. >> >> Here we are describing the IoT variant of Talos. So we can ignore the >> speedbins from the mobile variant until that is supported. > > Writing this reply took probably only slightly less time than fixing > the issue.. I really see no point in kicking the can down the road We don't know the speedbin fuse register and the values applicable for this IoT chipset. Currently, there is only a single variant and no SKUs for this chipset. We can add them when those decisions are taken by the relevant folks from Product team. -Akhil. > > Konrad