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Tue, 16 Jun 2026 04:52:33 -0700 (PDT) X-Received: by 2002:a05:620a:2a07:b0:902:daaf:22cd with SMTP id af79cd13be357-9161b9598e7mr1644851085a.0.1781610753209; Tue, 16 Jun 2026 04:52:33 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bfdb531896dsm627583166b.27.2026.06.16.04.52.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Jun 2026 04:52:32 -0700 (PDT) Message-ID: <1e6eac45-bf28-4ffd-81ec-b3a2a24ecaf0@oss.qualcomm.com> Date: Tue, 16 Jun 2026 13:52:26 +0200 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 v7 1/2] arm64: dts: qcom: sm8250: sort out Iris power domains To: Dmitry Baryshkov Cc: Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Taniya Das , Jonathan Marek , "Rafael J. Wysocki" , Bryan O'Donoghue , Vikash Garodia , Dikshita Agarwal , Mauro Carvalho Chehab , Stanimir Varbanov , Abhinav Kumar , Hans Verkuil , Stefan Schmidt , Konrad Dybcio , Bryan O'Donoghue , Dikshita Agarwal , Ulf Hansson , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-media@vger.kernel.org, Mauro Carvalho Chehab References: <20260604-iris-venus-fix-sm8250-v7-0-7bd2f0e5bae8@oss.qualcomm.com> <20260604-iris-venus-fix-sm8250-v7-1-7bd2f0e5bae8@oss.qualcomm.com> <5eaea87f-5fed-4869-93e5-55c9da5ced84@oss.qualcomm.com> <73a30753-527b-4662-ba99-2ebc3878861b@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-Proofpoint-GUID: VpL63bDutdcWBs_M1zJruJQLen2s_iVN X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE2MDEyMCBTYWx0ZWRfX0BWg59CQYU7S tm2UgD84CFfcNsftVOQ+TSlugOWYnwiaJbAffbIqlsjT6DFTW+I2CRuiF2GpZc08S4wtT5qeC1k dg9thRZ6kzRojsmZfQno8IrycJNL4B0= X-Authority-Analysis: v=2.4 cv=WNdPmHsR c=1 sm=1 tr=0 ts=6a313902 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=-aIog7HT_t0rU9SwYjUA:9 a=QEXdDO2ut3YA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE2MDEyMCBTYWx0ZWRfXz7WXI3YkliFL AuTrJiTcB5nxkeHWCidl3O3IgnYx6cLQwlPK9NiNCSXjHrWbX1ow7prC50Z8aAVqUbW8mb0hDAa hGWkDqhNDNQTcTyb2Q85c0leovWLoj7FRoH/7nqkA90lFUak6drF/hYftGvIy32IQSpMXsuZxf7 13C/ULnq/oCiQrpLblcRkM8VbyAfgfoyQABYNrcdx1TpSExWEbV54FjMc5QSgzkSsPr4azFGn2B Q4JZkrmsa/Yse/dGeCtDXfH5SXCxaiPiNZFa5uF9fzk1OL+BROyenYDDA1AWThF9d60ztu1Y7GC XQHX4it8GBruHKEH5NWkNqvaGZGkFmncybsnQrt3x+8dynQ0mfNj4rgrfQ1ZWxDd2lIJbB8TFBm 4r7e2yXiwqW5qPMWZjifXYwE9tRqJtwcNZuHvpwKH7bqZ4BgidP1QJ2HxyW1MiWXeiA/g+iSFX/ aC2ERGbfPvVSge5pouw== X-Proofpoint-ORIG-GUID: VpL63bDutdcWBs_M1zJruJQLen2s_iVN 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=2026-06-16_03,2026-06-15_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 bulkscore=0 malwarescore=0 clxscore=1015 suspectscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606160120 On 6/12/26 9:55 AM, Dmitry Baryshkov wrote: > On Wed, Jun 10, 2026 at 03:52:09PM +0200, Konrad Dybcio wrote: >> On 6/10/26 3:34 PM, Dmitry Baryshkov wrote: >>> On Wed, Jun 10, 2026 at 02:24:24PM +0200, Konrad Dybcio wrote: >>>> On 6/4/26 6:22 PM, Dmitry Baryshkov wrote: >>>>> On SM8250 Iris core requires two power rails to function, MX (for PLLs) >>>>> and MMCX (for everything else). The commit fa245b3f06cd ("arm64: dts: >>>>> qcom: sm8250: Add venus DT node") added only MX power rail, but omitted >>>>> MMCX voltage levels. >>>>> >>>>> Add MMCX domain to the Iris device node. >>>>> >>>>> Fixes: fa245b3f06cd ("arm64: dts: qcom: sm8250: Add venus DT node") >>>>> Reported-by: Konrad Dybcio >>>>> Signed-off-by: Dmitry Baryshkov >>>>> --- >>>> >>>> [...] >>>> >>>>> opp-720000000 { >>>>> opp-hz = /bits/ 64 <720000000>; >>>>> - required-opps = <&rpmhpd_opp_low_svs>; >>>>> + required-opps = <&rpmhpd_opp_svs>, >>>>> + <&rpmhpd_opp_low_svs>; >>>> >>>> So the computer tells me low_svs would be enough for PLL0 to generate 720MHz >>>> >>>> Is there some transient dependency that bumps this to svs? >>>> >>>> Your changelog mentions you altered this in v6, but I don't see any related >>>> discussion >>> >>> There are two sources of information. The "clocks plan" and the "pll >>> info". For some reason, the clock plan doesn't reflect actual PLL >>> requirements. See the info on the corresponding PLL type. >> >> OK thanks, now I think I asked this already in the past.. >> >> still, both point to LOWSVS @ 720 for sm8250 > > Not really, PLL type points to 615. I've posted you the screenshots > privately (sorry). Alright then Reviewed-by: Konrad Dybcio Konrad