From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5954C77B60 for ; Wed, 26 Apr 2023 22:46:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240308AbjDZWqs (ORCPT ); Wed, 26 Apr 2023 18:46:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240264AbjDZWqn (ORCPT ); Wed, 26 Apr 2023 18:46:43 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06D2A3C2F; Wed, 26 Apr 2023 15:46:31 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33QMFL1q007423; Wed, 26 Apr 2023 22:46:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=qcppdkim1; bh=lp9LNA6GUiXYPVBveFZ/Wl+y5bydZ6UcBTa6qGzaOR4=; b=X+m+wJ72xvTurWemxSHYbYWD0AQRh8P2M2ALmC2+cQrdnhB5pHDOmGyHz93n0IhNdkQb SvmpWZhgFkA4itzpI11B3Pot3MozcuQ8V7/MYXoDuILIFJY7Usz1xV8nwj48Ye1cQJD9 dNENHY3sp+yWuzvbdKXVcX1vEqamhcsEW1HZl8hYnEI8zuUSP7rzrp7ggIe2kKbENuLs K0FpF5YrqGrDAQMn9uOMNUlsGbxG/VEsnRMOptRGqhw2Tv41a6lHRbVeSjd76bnu5gpg 1AGkCTDq9gGifjcl+RaLSh8dNnkczqRnwc86gu+qXpW1D8hRgt7hNU0bHX+uKcqE6a2f vw== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3q718d1mn2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Apr 2023 22:46:20 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 33QMkJPX020411 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Apr 2023 22:46:19 GMT Received: from [10.110.124.105] (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 15.2.986.42; Wed, 26 Apr 2023 15:46:18 -0700 Message-ID: Date: Wed, 26 Apr 2023 15:46:17 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.2 Subject: Re: [PATCH v4 07/22] drm/msm/dpu: Set PINGPONG block length to zero for DPU >= 7.0.0 Content-Language: en-US To: Marijn Suijten , Rob Clark , Dmitry Baryshkov , "Sean Paul" , David Airlie , Daniel Vetter , Adam Skladowski , Loic Poulain , Bjorn Andersson , "Kuogee Hsieh" , Robert Foss , Vinod Koul , Neil Armstrong CC: <~postmarketos/upstreaming@lists.sr.ht>, AngeloGioacchino Del Regno , Konrad Dybcio , Martin Botka , "Jami Kettunen" , , , , , Jordan Crouse , Jessica Zhang References: <20230411-dpu-intf-te-v4-0-27ce1a5ab5c6@somainline.org> <20230411-dpu-intf-te-v4-7-27ce1a5ab5c6@somainline.org> From: Abhinav Kumar In-Reply-To: <20230411-dpu-intf-te-v4-7-27ce1a5ab5c6@somainline.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] 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: DyOHkdV_G7xwIEI2WEif5dYqnC2k7zMd X-Proofpoint-GUID: DyOHkdV_G7xwIEI2WEif5dYqnC2k7zMd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-26_10,2023-04-26_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 phishscore=0 clxscore=1015 impostorscore=0 mlxlogscore=696 priorityscore=1501 spamscore=0 malwarescore=0 bulkscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304260197 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/26/2023 3:37 PM, Marijn Suijten wrote: > Despite downstream DTS stating otherwise, the PINGPONG block has no > registers starting with DPU revision 7.0.0. TEAR registers are gone > since DPU 5.0.0 after being moved to the INTF block, and DSC registers > are gone since 7.0.0, leaving only the dither sub-block. > > A future patch, part of the DSC 1.2 series, should disable DSC functions > on the PINGPONG block for all DPU >= 7.0.0 hardware. Noted > > Fixes: 4a352c2fc15a ("drm/msm/dpu: Introduce SC8280XP") > Fixes: 0e91bcbb0016 ("drm/msm/dpu: Add SM8350 to hw catalog") > Fixes: 100d7ef6995d ("drm/msm/dpu: add support for SM8450") > Signed-off-by: Marijn Suijten > --- Reviewed-by: Abhinav Kumar