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 237D6CA0EF3 for ; Thu, 14 Sep 2023 04:16:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234593AbjINEQQ (ORCPT ); Thu, 14 Sep 2023 00:16:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234340AbjINEQP (ORCPT ); Thu, 14 Sep 2023 00:16:15 -0400 Received: from out-216.mta0.migadu.com (out-216.mta0.migadu.com [IPv6:2001:41d0:1004:224b::d8]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C11EE59 for ; Wed, 13 Sep 2023 21:16:11 -0700 (PDT) Date: Thu, 14 Sep 2023 14:12:00 +1000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jookia.org; s=key1; t=1694664969; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=KgCBja6vR6ucPDDS+ICdvobr8KN6Wt6fcPO6ka4rjrI=; b=FXxIkFkR/iQ/43B4BkObLiuYQ0cH2IRjIphI9PU/lB+GL/5f8S5co1GA+IdsKS3tNCYemt gnnvY/GwpeKQj4wcrGMJNVDTxpU9O/J/69ykG7yY3yD+5pQ+NKgkLcK5Sbjf6v3Wgld2+j 97qr9tcsI/fiqwXBpoVtENXdJxJXDRt+3MKEADb0r1gXoHAC57hlAaErNTG/8+vqiyxsBQ yQJyv/wa+Q4xU1tbdlWXUfLmK4U4o+mZBPzolDqQuqEpFyI5WLbSjgjZHdYa9XTRI8HMsa FlCsemuEtjs1fZUBph80jPqa2Hmj0Q0e6DSXLXa+k7sYiMS++qZslT54G2sTFQ== X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: John Watts To: Jessica Zhang Cc: dri-devel@lists.freedesktop.org, Neil Armstrong , Conor Dooley , devicetree@vger.kernel.org, Sam Ravnborg , Chris Morgan , linux-kernel@vger.kernel.org, Jagan Teki , Rob Herring , Krzysztof Kozlowski , Shawn Guo Subject: Re: [RFC PATCH 1/8] drm/panel: nv3052c: Document known register names Message-ID: References: <20230911090206.3121440-1-contact@jookia.org> <20230911090206.3121440-2-contact@jookia.org> <977a8de9-26ec-1789-4c72-fd36f34480c3@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <977a8de9-26ec-1789-4c72-fd36f34480c3@quicinc.com> X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. John.