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 10C43C83F0E for ; Sat, 26 Aug 2023 00:25:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231416AbjHZAX7 (ORCPT ); Fri, 25 Aug 2023 20:23:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231375AbjHZAXd (ORCPT ); Fri, 25 Aug 2023 20:23:33 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B26102117; Fri, 25 Aug 2023 17:23:31 -0700 (PDT) Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37Q0M31M012741; Sat, 26 Aug 2023 00:23:16 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=UVrA7hFTknaYMrfth6agguVc8LsTfqzkHFmMYsvCLEc=; b=Aw/IX2WpSBXMMfSTZOyKy0IvbTq7OM8DwyUZwxiClnj7pX4Sae0QKAlIenwEXsiZUFeM jaZ9ARUFYxI0UyTfE1ezL9Y6hyDROVP0VPBkiCke/k8rPCWTTRwThCUZEqj0ppY1lZrI ZQhOaTATyA2yEEExtaMaCmjWBOtY7o7Gkd3rwH6piyHOC+25RdQl9UdxWYJF6D3gjAnV N34eR+EV3iYSNEpEVM2dGJtk6uQfNRutsQJbeCZalLcf0qA8tTgJGX0If2K3WVJ0QnZf GO4vzbvJZSGXVHXNXJdhDO+bgwVzshOpZu+GDAMO84/CkwgdzvPM6RiEkIMwdKPT6jCd gQ== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3spmm6a96k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 26 Aug 2023 00:23:15 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 37Q0NF2H018497 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 26 Aug 2023 00:23:15 GMT Received: from [10.110.6.4] (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Fri, 25 Aug 2023 17:23:14 -0700 Message-ID: <6772a956-e511-484d-771e-529df8fbc199@quicinc.com> Date: Fri, 25 Aug 2023 17:23:13 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v4 4/4] drm/msm/dsi: Enable widebus for DSI Content-Language: en-US To: Jessica Zhang , Rob Clark , Dmitry Baryshkov , "Sean Paul" , Marijn Suijten , "David Airlie" , Daniel Vetter CC: , , , References: <20230822-add-widebus-support-v4-0-9dc86083d6ea@quicinc.com> <20230822-add-widebus-support-v4-4-9dc86083d6ea@quicinc.com> From: Abhinav Kumar In-Reply-To: <20230822-add-widebus-support-v4-4-9dc86083d6ea@quicinc.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: DAuK1jenotUUm5yEXhV82UoS-ocl2ec9 X-Proofpoint-GUID: DAuK1jenotUUm5yEXhV82UoS-ocl2ec9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-25_19,2023-08-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 phishscore=0 clxscore=1015 mlxscore=0 adultscore=0 bulkscore=0 lowpriorityscore=0 mlxlogscore=716 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308260001 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/22/2023 10:42 AM, Jessica Zhang wrote: > DSI 6G v2.5.x+ supports a data-bus widen mode that allows DSI to send > 48 bits of compressed data instead of 24. > > Enable this mode whenever DSC is enabled for supported chipsets. > > Signed-off-by: Jessica Zhang > --- > drivers/gpu/drm/msm/dsi/dsi.c | 2 +- > drivers/gpu/drm/msm/dsi/dsi.h | 1 + > drivers/gpu/drm/msm/dsi/dsi_host.c | 31 +++++++++++++++++++++++++++---- > 3 files changed, 29 insertions(+), 5 deletions(-) > Reviewed-by: Abhinav Kumar