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Tue, 23 Jun 2026 04:23:26 -0700 (PDT) X-Received: by 2002:a05:620a:6cce:b0:920:6579:bee8 with SMTP id af79cd13be357-925c6f59e85mr504346985a.1.1782213805798; Tue, 23 Jun 2026 04:23:25 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c0c5e49a759sm503098866b.6.2026.06.23.04.23.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Jun 2026 04:23:24 -0700 (PDT) Message-ID: <27db2e06-e3ea-4edf-a0b9-1baac1d5bb50@oss.qualcomm.com> Date: Tue, 23 Jun 2026 13:23:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/8] arm64: dts: qcom: sm8450: Modify GPU operating points To: esteuwu@proton.me, Bjorn Andersson , Michael Turquette , Stephen Boyd , Brian Masney , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Will Deacon , Robin Murphy , "Joerg Roedel (AMD)" , Vinod Koul , Neil Armstrong Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org References: <20260622-sm8450-qol-v1-0-37e2ee8df9da@proton.me> <20260622-sm8450-qol-v1-3-37e2ee8df9da@proton.me> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260622-sm8450-qol-v1-3-37e2ee8df9da@proton.me> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIzMDA5MyBTYWx0ZWRfX1QQf4nfhtypH x/fuBtHkS3gIL6ndcbXq3diu+o3fYbm7OoxTJpNpQYLMdriLvYPBowzBgaklMS7AXL/RgydGmyr +skGGwoe0LCbsqwNOLfXF2vQ22HjJO4= X-Proofpoint-ORIG-GUID: OxXRldg7EzuOvhrFdBNvSsihwtuTyNpR X-Authority-Analysis: v=2.4 cv=HrxG3UTS c=1 sm=1 tr=0 ts=6a3a6caf cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=yh-zqMWk-TAmMPKcllkA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIzMDA5MyBTYWx0ZWRfX52HIZQt+oUN/ 3J/7pCGQI100f/XlVBwWktmmeRgTxYHp38BHvK/YYyzFmZYF/BllXpU+1hoauGPVZ1Pg/KYMZRn NI5Ckf+wm/ZpNZe5VgfTQXCbdcuFeYTtz0rXweYHOFz1Cxi5RT3uNk1VMb6PQJHqbhXgzIEldWV jaguJWvGVUGSzhTDjCHDg74ECJ4pLsRbEpgriRb2CQNQ3H28Tm8FwAlPFTy+2kds3RbfNuuEQ3P rI3Xfm4hyEKzYQE6P91+DvoNU3045rreIVNYudikffatrggQMxEUKL2jJlc743blqtshM3u2lnM TZ6fK22Nj6rPT4b00mACms4/UnvdocdoyxMuYMhoAC7ecd50e39+r/27T3kZ6GvAtEcQv/MI+eu lJpHkiAJxKNoh5Xi4jTIrHUb6dkvcLOm3Hcxg6+lRcv9I0F858ElJ1yHYvQJjENhF6OEYXPNsN3 Fp0nHu2FJtyE/8Z7nEQ== X-Proofpoint-GUID: OxXRldg7EzuOvhrFdBNvSsihwtuTyNpR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-23_02,2026-06-23_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 phishscore=0 priorityscore=1501 malwarescore=0 adultscore=0 bulkscore=0 impostorscore=0 clxscore=1015 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606230093 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260623_042328_147472_9DE54988 X-CRM114-Status: GOOD ( 17.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 6/23/26 2:54 AM, Esteban Urrutia via B4 Relay wrote: > From: Esteban Urrutia > > These frecuencies don't exist in downstream device trees. > Both 220MHz and 285MHz belong to SM8475, and I'm not sure where 317MHz > came from. > > Signed-off-by: Esteban Urrutia > --- > arch/arm64/boot/dts/qcom/sm8450.dtsi | 15 --------------- > 1 file changed, 15 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi > index e34e3c05bf74..5e331a25e22a 100644 > --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi > +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi > @@ -2495,21 +2495,6 @@ opp-350000000 { > opp-hz = /bits/ 64 <350000000>; > opp-level = ; > }; > - > - opp-317000000 { > - opp-hz = /bits/ 64 <317000000>; > - opp-level = ; > - }; > - > - opp-285000000 { > - opp-hz = /bits/ 64 <285000000>; > - opp-level = ; > - }; > - > - opp-220000000 { > - opp-hz = /bits/ 64 <220000000>; > - opp-level = ; > - }; These are valid frequency points, although downstream didn't advertize them. Funnily enough, the frequency plan lists them as: LOWSVS_D2 -> 317 MHz // in downstream, at LOW_SVS LOWSVS_D1 -> 285 MHz // in downstream as-is LOWSVS_D0 -> 220 MHz // in downstream, LOW_SVS_D1 (the above are what it says in the doc, yes, lower voltage for higher frequencies.. certainly seems like a bug..) LOW_SVS -> 350 Mhz // this and the following are in downstream too LOW_SVS_L1-> 421 MHz SVS -> 492 MHz SVS_L0 -> 545 MHz SVS_L1 -> 599 MHz SVS_L2 -> 640 MHz NOM -> 734 MHz NOM_L1 -> 791 MHz TURBO -> 818 MHz so in short, the existing map seems to be OK Konrad