From patchwork Fri Jan 12 14:22:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna chaitanya chundru X-Patchwork-Id: 762269 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 162856EB43; Fri, 12 Jan 2024 14:22:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="Cpyw1YOR" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40CDuFtO031652; Fri, 12 Jan 2024 14:22:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:date:subject:mime-version:content-type :content-transfer-encoding:message-id:references:in-reply-to:to :cc; s=qcppdkim1; bh=gLfw8AIaJEv4HEZ0m3fuRz1wRBUGrrfxBc/+bWKiP/4 =; b=Cpyw1YORkQlHN2owdHtR7faGy+7PO88deIsqJTa/D/r1Ix9VbrjPq+pDG/q ubSDixN/xhyxJ6Ym3GcPvxyIseYrSfBK7SDDCgKSJqiaTKztVXOXd6Y52G/1lQ6m 7fr4+Ny9IfzxR1FTO/Gnem7VDfTTEQFlTiYY5Yr6/sDZM9UwnfZXRvB0vg6BHQgI 1kbE8Ze0aR2ySgjoxp2Oi8VJ5LSwUckZ/YMpf2QVTlC6mZne9/pJ6KQ+tQJdTmeE qSQyc5pHx/KUVvblzY6R+9UTxRXW8GT/Fq1nNAzFpl7ExPEQbWvKeap5bCnvIEaY zSieqnoEML8E7XQwU0RhNXTvAQQ== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vk1x18umq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Jan 2024 14:22:33 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40CEMWP3030526 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Jan 2024 14:22:32 GMT Received: from hu-krichai-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 12 Jan 2024 06:22:26 -0800 From: Krishna chaitanya chundru Date: Fri, 12 Jan 2024 19:52:01 +0530 Subject: [PATCH v6 2/6] arm64: dts: qcom: sm8450: Add interconnect path to PCIe node Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240112-opp_support-v6-2-77bbf7d0cc37@quicinc.com> References: <20240112-opp_support-v6-0-77bbf7d0cc37@quicinc.com> In-Reply-To: <20240112-opp_support-v6-0-77bbf7d0cc37@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Bjorn Helgaas , "Lorenzo Pieralisi" , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Rob Herring , Johan Hovold , Brian Masney , Georgi Djakov CC: , , , , , , , , "Krishna chaitanya chundru" X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; a=ed25519-sha256; t=1705069332; l=1408; i=quic_krichai@quicinc.com; s=20230907; h=from:subject:message-id; bh=8lKjg1IF7pwb6wCWhV3GRhoVM1LAWl3nIAoHBKUPFUs=; b=4HAAvoWEGa9nLwfS8H/3UCsLDb9V/SzLZu5aDNgPnZszwEkxJgZqBd4yr6HWQP26JgWFwBUbt 9QL6W9bkzOBCUHKqqvUYmUMgFT6HOPrY0utO1MQCu5SDzUuC0jBk7QQ X-Developer-Key: i=quic_krichai@quicinc.com; a=ed25519; pk=10CL2pdAKFyzyOHbfSWHCD0X0my7CXxj8gJScmn1FAg= X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: KwtX86_m8TSxj4DUXdE_iWy3zetIGpbj X-Proofpoint-GUID: KwtX86_m8TSxj4DUXdE_iWy3zetIGpbj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_01,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 mlxscore=0 spamscore=0 phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 mlxlogscore=948 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401120113 Add pcie-mem & cpu-pcie interconnect path to the PCIe nodes. Signed-off-by: Krishna chaitanya chundru Reviewed-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/qcom/sm8450.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index 01e4dfc4babd..6b1d2e0d9d14 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -1781,6 +1781,10 @@ pcie0: pcie@1c00000 { <0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */ <0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */ + interconnects = <&pcie_noc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>; + interconnect-names = "pcie-mem", "cpu-pcie"; + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>, <&gcc GCC_PCIE_0_PIPE_CLK_SRC>, <&pcie0_phy>, @@ -1890,6 +1894,10 @@ pcie1: pcie@1c08000 { <0 0 0 3 &intc 0 0 0 438 IRQ_TYPE_LEVEL_HIGH>, /* int_c */ <0 0 0 4 &intc 0 0 0 439 IRQ_TYPE_LEVEL_HIGH>; /* int_d */ + interconnects = <&pcie_noc MASTER_PCIE_1 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_1 0>; + interconnect-names = "pcie-mem", "cpu-pcie"; + clocks = <&gcc GCC_PCIE_1_PIPE_CLK>, <&gcc GCC_PCIE_1_PIPE_CLK_SRC>, <&pcie1_phy>, From patchwork Fri Jan 12 14:22:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna chaitanya chundru X-Patchwork-Id: 762268 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1975973165; Fri, 12 Jan 2024 14:22:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="E9MySg8r" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40CEDXQo017105; 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Fri, 12 Jan 2024 14:22:39 GMT Received: from hu-krichai-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 12 Jan 2024 06:22:32 -0800 From: Krishna chaitanya chundru Date: Fri, 12 Jan 2024 19:52:02 +0530 Subject: [PATCH v6 3/6] PCI: qcom: Add missing icc bandwidth vote for cpu to PCIe path Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240112-opp_support-v6-3-77bbf7d0cc37@quicinc.com> References: <20240112-opp_support-v6-0-77bbf7d0cc37@quicinc.com> In-Reply-To: <20240112-opp_support-v6-0-77bbf7d0cc37@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Bjorn Helgaas , "Lorenzo Pieralisi" , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Rob Herring , Johan Hovold , Brian Masney , Georgi Djakov CC: , , , , , , , , "Krishna chaitanya chundru" , X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; 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As there is less access on this path compared to pcie to mem path add minimum vote i.e GEN1x1 bandwidth always. In suspend remove the cpu vote after register space access is done. Fixes: c4860af88d0c ("PCI: qcom: Add basic interconnect support") cc: stable@vger.kernel.org Signed-off-by: Krishna chaitanya chundru Reviewed-by: Bryan O'Donoghue --- drivers/pci/controller/dwc/pcie-qcom.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 11c80555d975..035953f0b6d8 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -240,6 +240,7 @@ struct qcom_pcie { struct phy *phy; struct gpio_desc *reset; struct icc_path *icc_mem; + struct icc_path *icc_cpu; const struct qcom_pcie_cfg *cfg; struct dentry *debugfs; bool suspended; @@ -1372,6 +1373,9 @@ static int qcom_pcie_icc_init(struct qcom_pcie *pcie) if (IS_ERR(pcie->icc_mem)) return PTR_ERR(pcie->icc_mem); + pcie->icc_cpu = devm_of_icc_get(pci->dev, "cpu-pcie"); + if (IS_ERR(pcie->icc_cpu)) + return PTR_ERR(pcie->icc_cpu); /* * Some Qualcomm platforms require interconnect bandwidth constraints * to be set before enabling interconnect clocks. @@ -1381,7 +1385,18 @@ static int qcom_pcie_icc_init(struct qcom_pcie *pcie) */ ret = icc_set_bw(pcie->icc_mem, 0, QCOM_PCIE_LINK_SPEED_TO_BW(1)); if (ret) { - dev_err(pci->dev, "failed to set interconnect bandwidth: %d\n", + dev_err(pci->dev, "failed to set interconnect bandwidth for pcie-mem: %d\n", + ret); + return ret; + } + + /* + * The config space, BAR space and registers goes through cpu-pcie path. + * Set peak bandwidth to single-lane Gen1 for this path all the time. + */ + ret = icc_set_bw(pcie->icc_cpu, 0, QCOM_PCIE_LINK_SPEED_TO_BW(1)); + if (ret) { + dev_err(pci->dev, "failed to set interconnect bandwidth for cpu-pcie: %d\n", ret); return ret; } @@ -1573,7 +1588,7 @@ static int qcom_pcie_suspend_noirq(struct device *dev) */ ret = icc_set_bw(pcie->icc_mem, 0, kBps_to_icc(1)); if (ret) { - dev_err(dev, "Failed to set interconnect bandwidth: %d\n", ret); + dev_err(dev, "Failed to set interconnect bandwidth for pcie-mem: %d\n", ret); return ret; } @@ -1597,6 +1612,12 @@ static int qcom_pcie_suspend_noirq(struct device *dev) pcie->suspended = true; } + /* Remove cpu path vote after all the register access is done */ + ret = icc_set_bw(pcie->icc_cpu, 0, 0); + if (ret) { + dev_err(dev, "failed to set interconnect bandwidth for cpu-pcie: %d\n", ret); + return ret; + } return 0; } @@ -1605,6 +1626,12 @@ static int qcom_pcie_resume_noirq(struct device *dev) struct qcom_pcie *pcie = dev_get_drvdata(dev); int ret; + ret = icc_set_bw(pcie->icc_cpu, 0, QCOM_PCIE_LINK_SPEED_TO_BW(1)); + if (ret) { + dev_err(dev, "failed to set interconnect bandwidth for cpu-pcie: %d\n", ret); + return ret; + } + if (pcie->suspended) { ret = qcom_pcie_host_init(&pcie->pci->pp); if (ret) From patchwork Fri Jan 12 14:22:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna chaitanya chundru X-Patchwork-Id: 762267 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C6447319D; Fri, 12 Jan 2024 14:23:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Fri, 12 Jan 2024 14:22:52 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 40CEMpkE011743 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Jan 2024 14:22:51 GMT Received: from hu-krichai-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 12 Jan 2024 06:22:45 -0800 From: Krishna chaitanya chundru Date: Fri, 12 Jan 2024 19:52:04 +0530 Subject: [PATCH v6 5/6] arm64: dts: qcom: sm8450: Add opp table support to PCIe Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240112-opp_support-v6-5-77bbf7d0cc37@quicinc.com> References: <20240112-opp_support-v6-0-77bbf7d0cc37@quicinc.com> In-Reply-To: <20240112-opp_support-v6-0-77bbf7d0cc37@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Bjorn Helgaas , "Lorenzo Pieralisi" , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Rob Herring , Johan Hovold , Brian Masney , Georgi Djakov CC: , , , , , , , , "Krishna chaitanya chundru" X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; 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Add the OPP table support to specify RPMH performance states and interconnect peak bandwidth. Signed-off-by: Krishna chaitanya chundru --- arch/arm64/boot/dts/qcom/sm8450.dtsi | 74 ++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index 6b1d2e0d9d14..eab85ecaeff0 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -1827,7 +1827,32 @@ pcie0: pcie@1c00000 { pinctrl-names = "default"; pinctrl-0 = <&pcie0_default_state>; + operating-points-v2 = <&pcie0_opp_table>; + status = "disabled"; + + pcie0_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-2500000 { + opp-hz = /bits/ 64 <2500000>; + required-opps = <&rpmhpd_opp_low_svs>; + opp-peak-kBps = <250000 250000>; + }; + + opp-5000000 { + opp-hz = /bits/ 64 <5000000>; + required-opps = <&rpmhpd_opp_low_svs>; + opp-peak-kBps = <500000 250000>; + }; + + opp-8000000 { + opp-hz = /bits/ 64 <8000000>; + required-opps = <&rpmhpd_opp_nom>; + opp-peak-kBps = <984500 250000>; + }; + }; + }; pcie0_phy: phy@1c06000 { @@ -1938,7 +1963,56 @@ pcie1: pcie@1c08000 { pinctrl-names = "default"; pinctrl-0 = <&pcie1_default_state>; + operating-points-v2 = <&pcie1_opp_table>; + status = "disabled"; + + pcie1_opp_table: opp-table { + compatible = "operating-points-v2"; + + /* GEN 1x1 */ + opp-2500000 { + opp-hz = /bits/ 64 <2500000>; + required-opps = <&rpmhpd_opp_low_svs>; + opp-peak-kBps = <250000 250000>; + }; + + /* GEN 1x2 GEN 2x1 */ + opp-5000000 { + opp-hz = /bits/ 64 <5000000>; + required-opps = <&rpmhpd_opp_low_svs>; + opp-peak-kBps = <500000 250000>; + }; + + /* GEN 2x2 */ + opp-10000000 { + opp-hz = /bits/ 64 <10000000>; + required-opps = <&rpmhpd_opp_low_svs>; + opp-peak-kBps = <1000000 250000>; + }; + + /* GEN 3x1 */ + opp-8000000 { + opp-hz = /bits/ 64 <8000000>; + required-opps = <&rpmhpd_opp_nom>; + opp-peak-kBps = <984500 250000>; + }; + + /* GEN 3x2 GEN 4x1 */ + opp-16000000 { + opp-hz = /bits/ 64 <16000000>; + required-opps = <&rpmhpd_opp_nom>; + opp-peak-kBps = <1969000 250000>; + }; + + /* GEN 4x2 */ + opp-32000000 { + opp-hz = /bits/ 64 <32000000>; + required-opps = <&rpmhpd_opp_nom>; + opp-peak-kBps = <3938000 250000>; + }; + }; + }; pcie1_phy: phy@1c0e000 {