Received: by 2002:a05:6a10:8a4d:0:0:0:0 with SMTP id dn13csp579177pxb; Fri, 13 Aug 2021 01:24:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzzqw39pt9+WnSr11SX5ua6xNqh8pleLyinUihYq3+Ob/t7XrHkLcmeLSndFs/+F8e0omc4 X-Received: by 2002:a17:906:89a3:: with SMTP id gg35mr1332914ejc.38.1628843054736; Fri, 13 Aug 2021 01:24:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1628843054; cv=none; d=google.com; s=arc-20160816; b=PTD3w8uKxNrfxjFVQLKAxo3ROLrXtEpINC3pbbClBQlt9aADJdxrvY3J3XKggvl8xU yrUYv6LAbmJu9BF5arlZd77MIfIFVXvRgm/BYbOUek9BeXeNj2jW1zvv8lAj5DNJskXY UW0HJvBGkDB7oAAqyW/aqOhQCAdstZcbRLgOBZOShcencBB65QGnXwnebtz93iMCdmgf 4q3+k57JGmxV+MlW67frUn7XZkmH+GnA4GDi/DI+PRom1agdBH/cQi43rK/6fNFhuQWb RBWPgZWKLBdTrtYVRP0RyPMMQNkMfGj34sMN4FnuBd1Foz17WN1GKeLEu/+ihj4JI20n XIOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=1OywGtcjFJ7KD+eVvTQnDUTVv8Qnm7kESgjTY+Lob/s=; b=baH1SHCcZENlOvMNBM0vzuqRknYZMdjmeYZepiZZLqvEDxBbv3fikC+oxVaHX3x/NV beQgn+wd4QcV36KLUGZdKeQ720L6oZhO/Hq7fGA4djslmv7uYk9huDgguQJdSx8PvN7b ekaIwZ6jSF0aF8z22yFJHadf2YAn6WsmlsVLRtopRBuxLNh3w82NZA/PGnGofzJhF30B fdDnoEkL+YeW60OF+XdcYaY5DmoiLRS9txWORsJ3GjOOQSZsRP17rtLhRE3H1OgGu4Yd qfY77VJJK40zwGX/SZnARSfNh5fJmHM29VM4BIrv//XKSgpykAYEizRVIp+8JjlZyLjJ CDnA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=Nyuqa5aQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n15si1075868ejl.353.2021.08.13.01.23.51; Fri, 13 Aug 2021 01:24:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=Nyuqa5aQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239806AbhHMIUm (ORCPT + 99 others); Fri, 13 Aug 2021 04:20:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:52458 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239581AbhHMIUm (ORCPT ); Fri, 13 Aug 2021 04:20:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 29B2960FC3; Fri, 13 Aug 2021 08:20:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1628842815; bh=R2t/HkTfw4iNuHnkpQLxoKAEyy4GosUZbPrQovzCfTM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Nyuqa5aQXSZ6GUZWcEcZv0Id4SVtTlXsNz9UtCd4ZlNnFf4KQEEgFX5crXQm/E1ya +6yBMTJAZZcoN9SYQjy7q4KOq1n2Mz93W7A1yOUmlYE4gr4tSFzYNDn819Ds5EjetO TZFVZBa2vnDIRfxw88FJFcMUTWRBQRzoTdvppxRM= Date: Fri, 13 Aug 2021 10:20:13 +0200 From: Greg KH To: Oliver Graute Cc: oliver.graute@gmail.com, Carlis , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1] fbtft: fb_st7789v: added reset on init_display() Message-ID: References: <20210813062511.14537-1-oliver.graute@kococonnector.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210813062511.14537-1-oliver.graute@kococonnector.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 13, 2021 at 08:25:10AM +0200, Oliver Graute wrote: > staging: fbtft: fb_st7789v: reset display before initialization What is this line here, and why is this not your subject line instead? > > In rare cases the display is flipped or mirrored. This was observed more > often in a low temperature environment. A clean reset on init_display() > should help to get registers in a sane state. > > Signed-off-by: Oliver Graute What commit does this fix? thanks, greg k-h