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Fri, 5 Jul 2024 08:52:30 GMT Received: from taozha2-gv.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 5 Jul 2024 01:52:25 -0700 From: Tao Zhang To: Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , Mike Leach , "Rob Herring" , Krzysztof Kozlowski , James Clark CC: Tao Zhang , Jinlong Mao , Leo Yan , , , , , Tingwei Zhang , Yuanfang Zhang , Trilok Soni , Song Chai , , Jie Gan Subject: [PATCH v1 1/3] dt-bindings: arm: qcom,coresight-static-replicator: Add property for source filtering Date: Fri, 5 Jul 2024 16:51:50 +0800 Message-ID: <20240705085152.9063-2-quic_taozha@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240705085152.9063-1-quic_taozha@quicinc.com> References: <20240705085152.9063-1-quic_taozha@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: IIThs8QiZmlXbcbqiQem81RmUIKR9UYW X-Proofpoint-GUID: IIThs8QiZmlXbcbqiQem81RmUIKR9UYW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-05_05,2024-07-03_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 phishscore=0 clxscore=1015 suspectscore=0 impostorscore=0 mlxlogscore=999 mlxscore=0 priorityscore=1501 adultscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407050066 Add a new property "filter_src" to label the source corresponding to the output connection for a static replicator. By combining a funnel and a static replicator in devicetree, a new device that supports multi-port input and multi-port output is implemented. In order to match the output port with the input port and successfully build the trace path, add this new property to indicate the data source corresponding to this output port. Signed-off-by: Tao Zhang --- .../arm/arm,coresight-static-replicator.yaml | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml index 1892a091ac35..d9538563f9c6 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml @@ -45,7 +45,21 @@ properties: patternProperties: '^port@[01]$': description: Output connections to CoreSight Trace bus - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + + properties: + filter_src: + $ref: /schemas/types.yaml#/definitions/phandle + description: + defines a phandle reference to an associated CoreSight trace device. + When the associated trace device is enabled, then the respective + trace path will be built and enabled. + + remote-endpoint: true required: - compatible @@ -72,6 +86,7 @@ examples: reg = <0>; replicator_out_port0: endpoint { remote-endpoint = <&etb_in_port>; + filter_src = <&tpdm_video>; }; }; @@ -79,6 +94,7 @@ examples: reg = <1>; replicator_out_port1: endpoint { remote-endpoint = <&tpiu_in_port>; + filter_src = <&tpdm_mdss>; }; }; }; From patchwork Fri Jul 5 08:51:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tao Zhang X-Patchwork-Id: 810832 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 6CB03146A9D; Fri, 5 Jul 2024 08:52:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720169573; cv=none; b=t/u/YIPti44xEoRRpvcrqNeWrsNqum2F47nYn1SVuS21LuIMgPeplhcI32nIlShWFqxdRLpvxHkNMgWLmoxQi9CcMNDBq5Qe0nH/w5UOopH89am+zLsxBz434hht+mvwG0r2n5VpsU6x4KCQ9ft2z5T+nsXX2yENqBYzQoTzI4U= ARC-Message-Signature: i=1; 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Fri, 5 Jul 2024 08:52:39 GMT Received: from taozha2-gv.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 5 Jul 2024 01:52:35 -0700 From: Tao Zhang To: Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , Mike Leach , "Rob Herring" , Krzysztof Kozlowski , James Clark CC: Tao Zhang , Jinlong Mao , Leo Yan , , , , , Tingwei Zhang , Yuanfang Zhang , Trilok Soni , Song Chai , , Jie Gan Subject: [PATCH v1 3/3] coresight-tpda: Optimize the function of reading element size Date: Fri, 5 Jul 2024 16:51:52 +0800 Message-ID: <20240705085152.9063-4-quic_taozha@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240705085152.9063-1-quic_taozha@quicinc.com> References: <20240705085152.9063-1-quic_taozha@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: IWBEDZdVDVJhSUPY8anBbxp0wzffX-Av X-Proofpoint-GUID: IWBEDZdVDVJhSUPY8anBbxp0wzffX-Av X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-05_05,2024-07-03_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 mlxscore=0 clxscore=1015 suspectscore=0 impostorscore=0 malwarescore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407050066 Since the new funnel device supports multi-port output scenarios, there may be more than one TPDM connected to one TPDA. In this way, when reading the element size of the TPDM, TPDA driver needs to find the expected TPDM corresponding to the filter source. When TPDA finds a TPDM or a filter source from a input connection, it will read the Devicetree to get the expected TPDM's element size. Signed-off-by: Tao Zhang --- drivers/hwtracing/coresight/coresight-tpda.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-tpda.c b/drivers/hwtracing/coresight/coresight-tpda.c index 52b0201090fb..fc5a4e46cf5d 100644 --- a/drivers/hwtracing/coresight/coresight-tpda.c +++ b/drivers/hwtracing/coresight/coresight-tpda.c @@ -110,9 +110,12 @@ static int tpda_get_element_size(struct tpda_drvdata *drvdata, csdev->pdata->in_conns[i]->dest_port != inport) continue; - if (coresight_device_is_tpdm(in)) { + if (coresight_device_is_tpdm(in) + || csdev->pdata->in_conns[i]->filter_src_dev) { if (drvdata->dsb_esize || drvdata->cmb_esize) return -EEXIST; + if (csdev->pdata->in_conns[i]->filter_src_dev) + in = csdev->pdata->in_conns[i]->filter_src_dev; rc = tpdm_read_element_size(drvdata, in); if (rc) return rc; @@ -124,7 +127,6 @@ static int tpda_get_element_size(struct tpda_drvdata *drvdata, } } - return rc; }