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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63a52b0f358sm8333942a12.10.2025.10.13.01.15.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Oct 2025 01:15:11 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------pxY94ReoyjunEHqT0j6EGWe1" Message-ID: <0c8735f9-eac0-449c-aa95-b82cec0e6cb2@oss.qualcomm.com> Date: Mon, 13 Oct 2025 10:15:08 +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] arm64: dts: qcom: x1e80100: add system power domain SS3 state To: Val Packett , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mukesh Ojha Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251012225950.15475-1-val@packett.cool> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251012225950.15475-1-val@packett.cool> X-Proofpoint-GUID: RDIlNONZZGb0yMYbJPDW0K_Gjx4pFU4o X-Proofpoint-ORIG-GUID: RDIlNONZZGb0yMYbJPDW0K_Gjx4pFU4o X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDExMDAxNyBTYWx0ZWRfXyCHCzb2iXokH d1HYfXPn0VYt3mi9AMTE9gWevkZPXn8BDUQOkCUAYusMHh/04zZkL+WMxMUIGqB8xDZmegqZlyG tzTp5Y2efYFxrCy3Rks+z5MICSr9IQQGnYF/3x2fVsUMHVpYu+p7iTEVxSZrWbDh11Gj0PnObMY z2mFr8oQc38IHf1GIGYCdMxhlq0ub95Q3t3wkMvO8o7LDWdN9pjPWDZr2ie6oCAT5F2VrvTdfCI +RWTo/cf0TijIvj93U7ZyGt3+DbRqs3DwKPoMBm/LQwWAPOPM0q0QF/CoVCtmA7CI3wFJJVFEp/ if9ZVejOjhm2K3b/z+lAPZSRfoYzqaK74Yf7+E+3De6lo0oqr2fMdBgy4Tz8UtaiM+lcBS4/KYx HlZjnzPUHFRlFrno3jwgFvVqpz1goA== X-Authority-Analysis: v=2.4 cv=JLw2csKb c=1 sm=1 tr=0 ts=68ecb51c cx=c_pps a=oc9J++0uMp73DTRD5QyR2A==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=x6icFKpwvdMA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=S649r15P7wmwVG3cJHoA:9 a=QEXdDO2ut3YA:10 a=8ls2GUBa6XCicvKWzpAA:9 a=B2y7HmGcmWMA:10 a=iYH6xdkBrDN1Jqds4HTS:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-13_03,2025-10-06_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 adultscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 malwarescore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510110017 This is a multi-part message in MIME format. --------------pxY94ReoyjunEHqT0j6EGWe1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/13/25 12:54 AM, Val Packett wrote: > Add the same PSCI state as seen on other Oryon-based SoCs like SM8750 > and Glymur, seems to work fine on Hamoa as well. > > Signed-off-by: Val Packett > --- > Tested on a Dell Latitude 7455: > > /sys/kernel/debug/pm_genpd/power-domain-system/idle_states: > State Time Spent(ms) Usage Rejected Above Below > S0 69476 23006 195 21562 0 > > Seems to mostly be used in system suspend, though I've occasionally seen > the counter increment a little bit during runtime as well. > --- FWIW the exact same state is hardcoded to be present if you use PSCI_SYSTEM_SUSPEND (which is mapped to `deep` in /sys/power/mem_sleep) > arch/arm64/boot/dts/qcom/x1e80100.dtsi | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi > index 3cf2568def3f..fab8104147bd 100644 > --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi > +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi > @@ -303,6 +303,14 @@ cluster_cl5: cluster-sleep-1 { > exit-latency-us = <4000>; > min-residency-us = <7000>; > }; > + > + domain_ss3: domain-sleep-0 { > + compatible = "domain-idle-state"; > + arm,psci-suspend-param = <0x0200c354>; > + entry-latency-us = <2800>; > + exit-latency-us = <4400>; > + min-residency-us = <10150>; You seem to have copied these time numbers from 8750 as well, but it's not a great idea, since they're tuned for getting a good perf/pwr profile for a mobile phone I attached an old patch I had laying around that described all three states exposed in the windows DSDT (although I'm not sure if that's exactly beneficial without additional tuning too) +Mukesh please take a look Konrad --------------pxY94ReoyjunEHqT0j6EGWe1 Content-Type: text/x-patch; charset=UTF-8; name="0001-arm64-dts-qcom-x1e80100-Add-system-sleep-states.patch" Content-Disposition: attachment; filename*0="0001-arm64-dts-qcom-x1e80100-Add-system-sleep-states.patch" Content-Transfer-Encoding: base64 RnJvbSBkZjc0ZTBlNWY2NjliMTM2YTA4Zjc1ODY1MTc3MTQyM2I4YmU5YzYxIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBLb25yYWQgRHliY2lvIDxrb25yYWQuZHliY2lvQGxp bmFyby5vcmc+CkRhdGU6IE1vbiwgMTUgSnVsIDIwMjQgMTY6MTY6NDEgKzAyMDAKU3ViamVj dDogW1BBVENIXSBhcm02NDogZHRzOiBxY29tOiB4MWU4MDEwMDogQWRkIHN5c3RlbSBzbGVl cCBzdGF0ZXMKCkFkZCB0aGUgbWlzc2luZyBzeXN0ZW0td2lkZSBzbGVlcCBzdGF0ZXMgYmFz ZWQgb24gdGhlIGluZm9ybWF0aW9uCmZvdW5kIGluIHRoZSBEU0RULgoKRFJJUFMgaXMgYSBu b24tb2J2aW91cyBuYW1lLCBidXQgaXQncyB0aGUgc3RhdGUgdGhhdCB0aGUgZGV2aWNlIGVu dGVycwpmb3IgTW9kZXJuIFN0YW5kYnkgb24gV2luZG93cyAoc2VlIFsxXSwgWzJdKS4KClRo ZSBlbnRyeSBsYXRlbmN5IG51bWJlcnMgKHdoaWNoIHdlcmUgbm90IHByb3ZpZGVkIGFueXdo ZXJlKSBjb3VsZCB1c2UKc29tZSB0dW5pbmcsIGZvciBzdGFydGVycyBJIHNldCB0aGVtIGVx dWFsIHRvIGV4aXQgbGF0ZW5jeSwgd2hpY2ggaXMKbm90IGFuIGVudGlyZWx5IHVucmVhc29u YWJsZSBlc3RpbWF0ZS4uCgpbMV0gaHR0cHM6Ly9sZWFybi5taWNyb3NvZnQuY29tL2VuLXVz L3dpbmRvd3MtaGFyZHdhcmUvZGVzaWduL2RldmljZS1leHBlcmllbmNlcy9wcmVwYXJlLWhh cmR3YXJlLWZvci1tb2Rlcm4tc3RhbmRieQpbMl0gaHR0cHM6Ly9kbC5kZWxsLmNvbS9tYW51 YWxzL2FsbC1wcm9kdWN0cy9lc3VwcnRfc29sdXRpb25zX2ludC9lc3VwcnRfc29sdXRpb25z X2ludF9zb2x1dGlvbnNfcmVzb3VyY2VzL2NsaWVudC1tb2JpbGUtc29sdXRpb24tcmVzb3Vy Y2VzX3doaXRlLXBhcGVyczQ1X2VuLXVzLnBkZgpTaWduZWQtb2ZmLWJ5OiBLb25yYWQgRHli Y2lvIDxrb25yYWQuZHliY2lvQGxpbmFyby5vcmc+Ci0tLQogYXJjaC9hcm02NC9ib290L2R0 cy9xY29tL3gxZTgwMTAwLmR0c2kgfCAzMSArKysrKysrKysrKysrKysrKysrKysrKysrLQog MSBmaWxlIGNoYW5nZWQsIDMwIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYg LS1naXQgYS9hcmNoL2FybTY0L2Jvb3QvZHRzL3Fjb20veDFlODAxMDAuZHRzaSBiL2FyY2gv YXJtNjQvYm9vdC9kdHMvcWNvbS94MWU4MDEwMC5kdHNpCmluZGV4IGU4MGE0NTRmYjhkZi4u YTM1YWI0ZjdjZGM5IDEwMDY0NAotLS0gYS9hcmNoL2FybTY0L2Jvb3QvZHRzL3Fjb20veDFl ODAxMDAuZHRzaQorKysgYi9hcmNoL2FybTY0L2Jvb3QvZHRzL3Fjb20veDFlODAxMDAuZHRz aQpAQCAtMzAyLDYgKzMwMiwzMyBAQCBDTFVTVEVSX0NMNTogY2x1c3Rlci1zbGVlcC0xIHsK IAkJCQlleGl0LWxhdGVuY3ktdXMgPSA8MjUwMD47CiAJCQkJbWluLXJlc2lkZW5jeS11cyA9 IDw3MDAwPjsKIAkJCX07CisKKwkJCVNZU1RFTV9TTEVFUDA6IHN5c3RlbS1zbGVlcC0wIHsK KwkJCQljb21wYXRpYmxlID0gImRvbWFpbi1pZGxlLXN0YXRlIjsKKwkJCQlpZGxlLXN0YXRl LW5hbWUgPSAic3lzdGVtLXNsZWVwMCI7CisJCQkJYXJtLHBzY2ktc3VzcGVuZC1wYXJhbSA9 IDwweDAyMDAwMTU0PjsKKwkJCQllbnRyeS1sYXRlbmN5LXVzID0gPDUwMD47CisJCQkJZXhp dC1sYXRlbmN5LXVzID0gPDUwMD47CisJCQkJbWluLXJlc2lkZW5jeS11cyA9IDw3NTAwPjsK KwkJCX07CisKKwkJCVNZU1RFTV9TTEVFUDE6IHN5c3RlbS1zbGVlcC0xIHsKKwkJCQljb21w YXRpYmxlID0gImRvbWFpbi1pZGxlLXN0YXRlIjsKKwkJCQlpZGxlLXN0YXRlLW5hbWUgPSAi c3lzdGVtLXNsZWVwMSI7CisJCQkJYXJtLHBzY2ktc3VzcGVuZC1wYXJhbSA9IDwweDAyMDAw MjU0PjsKKwkJCQllbnRyeS1sYXRlbmN5LXVzID0gPDMwMDA+OworCQkJCWV4aXQtbGF0ZW5j eS11cyA9IDwzMDAwPjsKKwkJCQltaW4tcmVzaWRlbmN5LXVzID0gPDgwMDA+OworCQkJfTsK KworCQkJU1lTVEVNX0RSSVBTOiBzeXN0ZW0tc2xlZXAtMiB7CisJCQkJY29tcGF0aWJsZSA9 ICJkb21haW4taWRsZS1zdGF0ZSI7CisJCQkJaWRsZS1zdGF0ZS1uYW1lID0gImRyaXBzIjsK KwkJCQlhcm0scHNjaS1zdXNwZW5kLXBhcmFtID0gPDB4MDIwMGMzNTQ+OworCQkJCWVudHJ5 LWxhdGVuY3ktdXMgPSA8NTAwMD47CisJCQkJZXhpdC1sYXRlbmN5LXVzID0gPDUwMDA+Owor CQkJCW1pbi1yZXNpZGVuY3ktdXMgPSA8OTAwMD47CisJCQl9OwogCQl9OwogCX07CiAKQEAg LTQzNSw3ICs0NjIsOSBAQCBDTFVTVEVSX1BEMjogcG93ZXItZG9tYWluLWNwdS1jbHVzdGVy MiB7CiAKIAkJU1lTVEVNX1BEOiBwb3dlci1kb21haW4tc3lzdGVtIHsKIAkJCSNwb3dlci1k b21haW4tY2VsbHMgPSA8MD47Ci0JCQkvKiBUT0RPOiBzeXN0ZW0td2lkZSBpZGxlIHN0YXRl cyAqLworCQkJZG9tYWluLWlkbGUtc3RhdGVzID0gPCZTWVNURU1fU0xFRVAwPiwKKwkJCQkJ ICAgICA8JlNZU1RFTV9TTEVFUDE+LAorCQkJCQkgICAgIDwmU1lTVEVNX0RSSVBTPjsKIAkJ fTsKIAl9OwogCi0tIAoyLjUxLjAKCg== --------------pxY94ReoyjunEHqT0j6EGWe1--