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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-647b413b590sm3699006a12.35.2025.12.05.05.52.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Dec 2025 05:52:08 -0800 (PST) Message-ID: <6dc39f3e-0a2f-42ca-a088-4b62a8153001@oss.qualcomm.com> Date: Fri, 5 Dec 2025 14:52:05 +0100 Precedence: bulk X-Mailing-List: devicetree@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: Akhil P Oommen , 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: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=bYtmkePB c=1 sm=1 tr=0 ts=6932e390 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=prxyFuKMA2RouLmu0eAA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: H--LvslWIiX1EmqcrOKEN3vJ5vMvzUQ- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA1MDA5OSBTYWx0ZWRfX5GlfShUpReTc LM8/25LpyuyIRgkjU61b8RcmB4W0D87zY2kijPYQ8JvXV3YKkUJe7Pwf6mN3oETTMXfPJ7S4DWL i3Ib4HV4qBR491J5yHXU3CVob2sTupaghbT12u7pyOg1kYmscYNwU+tmvT5XIayEpZD/ONgdgpm 7jTJVGPleiDJOyNz04IY2A66s3nccXBItgfUlL611HyHCA3TxbT2d51SnbM8Hd3/RsgGOKlT9WV mugw+OSJV3CM2ykJeVoq8vu+EykMOVzjqyDSBu1KZF4grf1qMsdj7yU4qr2fdKzJaQ9CDb+n3ui 5xbjRkDnOHcQ80jkdH7MwDkbdp93cSCHbBdnWurNy0D6u8s9UPMI4azoX19im2vohgbLBLKQCcG MhrsgpFere/DK4AzzmnYqPM/bMKDOg== X-Proofpoint-GUID: H--LvslWIiX1EmqcrOKEN3vJ5vMvzUQ- 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 clxscore=1015 spamscore=0 adultscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512050099 On 12/5/25 2:41 PM, Akhil P Oommen wrote: > 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. If there's only a single variant right now, could you simply read back the value and report it where necessary to make sure the internal teams are aware? There's surely *some* value fused into the cell.. Konrad