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Wed, 10 Jun 2026 06:52:14 -0700 (PDT) X-Received: by 2002:a05:6102:442c:b0:65b:c17:7052 with SMTP id ada2fe7eead31-6fee2af191cmr3971303137.0.1781099533817; Wed, 10 Jun 2026 06:52:13 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-68e64c2f358sm10108440a12.6.2026.06.10.06.52.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Jun 2026 06:52:13 -0700 (PDT) Message-ID: <73a30753-527b-4662-ba99-2ebc3878861b@oss.qualcomm.com> Date: Wed, 10 Jun 2026 15:52:09 +0200 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 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> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: w-NqoJbHsTHeJrm996Q-fU9K2vNewcFK X-Authority-Analysis: v=2.4 cv=ebYNubEH c=1 sm=1 tr=0 ts=6a296c0f cx=c_pps a=DUEm7b3gzWu7BqY5nP7+9g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=iWv2uGAxcboP7Le9rM0A:9 a=QEXdDO2ut3YA:10 a=-aSRE8QhW-JAV6biHavz:22 X-Proofpoint-ORIG-GUID: w-NqoJbHsTHeJrm996Q-fU9K2vNewcFK X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjEwMDEzMiBTYWx0ZWRfX47SjKX6ZFc3r lSgwzegYmqj6TCAh7z83OTYlLsOBL8284q11Yhv+Jznvg/Gq4qHWecXmLt4ZY4NfR0dMROMZ3oo zZIEQAJi6LXy2eGQowApWvdq1isphBJZya0vVpBX7AO3wWRZDeka63vmS7QPAOM8q+iIIOQ1gO+ Rr5Aa8QJDtXvjd53R5bjZTUx+jlKRpmBj6RCdahxCIh/H58AX4GBc9ZFPEWRUfaz8Z44hOTjxLK 8uDLPXOb5k2U6y83KwpJk6PodhWyLR6btfs04Fvt3q4+KE1W8/4GqrYr1P5vpS57kGLP1Z2P6R2 v4mRLbFfp3cby0Ve6gkobKIHPxgGPnYuDL3ETckjhf9NdaMdq+l8dxkm0JQpvJCWu+wDOr6A3Zd Kxtxs984C2mmYrwGrzc9Z9Og8lAirMS1cyaN+huj4UFP083xZFPR/8PnOFq7XyJJsZMQZcsaz3c qe2kJitE4/zsnnN6zPQ== 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=2026-06-10_03,2026-06-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 spamscore=0 bulkscore=0 clxscore=1015 suspectscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606100132 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 Konrad