From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 698C52134C for ; Thu, 14 Sep 2023 20:27:16 +0000 (UTC) Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2D8A26B2; Thu, 14 Sep 2023 13:27:15 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38EKFtA6000787; Thu, 14 Sep 2023 20:27:02 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=spiH3gFH19/jm7I7++wwwkP9fPV76kgclzFFFCYsQDE=; b=jsPwM167QYqmHfbMdY1iB3rysmBZ66EGCRyCo75Fs/Akm1oLnc6PaAb1/1rqsUyGkuoN x5PnmZFfmBU9HfOR7cwNC2pU86OtO4Ov0Magd50J+lioJhr4OMj/bx3tNVMTzXcMStO/ 0izSyPWjH0EHVp/6qOdVw6SDuTX2/iwkHXIl3U3w2M2Cq2R8wRXoAgpMi5XvQvsEgcGj FxUGOESFlAyUsvcRiP+wpfO+mUo3TmjVaArufMoUGs67bVDG10mNo1Vgdlb+8ucCGmL8 OhccPgK7PTLkR9t/lvePeMgHuC9Qjjm9n79tPhfN8bA4y7zVzkdYo8MOOKorkZMf0kDP AQ== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t3v4gabh6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Sep 2023 20:27:02 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38EKR1qQ000788 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Sep 2023 20:27:01 GMT Received: from [10.71.110.254] (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Thu, 14 Sep 2023 13:27:00 -0700 Message-ID: <2d49a4a2-01f0-1625-0cbf-d414499e47ca@quicinc.com> Date: Thu, 14 Sep 2023 13:27:00 -0700 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 1/8] drm/panel: nv3052c: Document known register names Content-Language: en-US To: John Watts CC: , Neil Armstrong , Conor Dooley , , Sam Ravnborg , Chris Morgan , , Jagan Teki , Rob Herring , Krzysztof Kozlowski , Shawn Guo References: <20230911090206.3121440-1-contact@jookia.org> <20230911090206.3121440-2-contact@jookia.org> <977a8de9-26ec-1789-4c72-fd36f34480c3@quicinc.com> From: Jessica Zhang In-Reply-To: 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 nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: oN9uX6SQC4NWwccyzUfTryGXaPcoKS8n X-Proofpoint-GUID: oN9uX6SQC4NWwccyzUfTryGXaPcoKS8n X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-14_12,2023-09-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=973 priorityscore=1501 lowpriorityscore=0 suspectscore=0 adultscore=0 spamscore=0 impostorscore=0 clxscore=1015 phishscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309140178 On 9/13/2023 9:12 PM, John Watts wrote: > On Wed, Sep 13, 2023 at 02:43:43PM -0700, Jessica Zhang wrote: >> Hi John, >> >> Just curious, what do you mean by these registers being mostly unknown? >> >> I do see them specified in the online specs -- some even seem to map to >> existing MIPI_DCS_* enums (ex. 0x01 to MIPI_DCS_SOFT_RESET, and 0x04 to >> MIPI_DCS_GET_DISPLAY_ID). >> >> Thanks, >> >> Jessica Zhang > > Hi Jessica, > > Unfortunately these registers are not MIPI ones, but on a separate page of > registers. So page 2 register 1 isn't MIPI_DCS_SOFT_RESET, that is page 0 > register 1. Got it -- thanks for the explanation. In that case, Reviewed-by: Jessica Zhang Thanks, Jessica Zhang > > John.