From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 2002:a19:ee01:0:0:0:0:0 with SMTP id g1csp3696124lfb; Mon, 18 May 2020 22:09:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwbEvpGwQD4y15TimgLteVeCiArIPGr5sv/CaZ+BbyJJBLCssltf99VEkk5dT/LFHZOCD+S X-Received: by 2002:a05:620a:6b7:: with SMTP id i23mr18679405qkh.156.1589864995793; Mon, 18 May 2020 22:09:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1589864995; cv=none; d=google.com; s=arc-20160816; b=fH6OdOqXC6TSoyzwQW9MztizxSZmjHRR+/drUxRoWnkHfH/f8xJvpfcFVJ3sj2RPf+ SRjg6UC19cl8ivFCsbRoTIiZaiHSwCMAvPNiUmSSkY4UrPjT93rt4XKz2XzmrkuQfjGU x2Fw7SGJue90PrzkheYGIXt9FpggZgAvWQCyoZgh4fvN86+0T3+sWYPdAkkjBGctQtrY jBlTrbVP4L5Q8lvt901tcn5mSaZB0B/2WZHPYjzv3V0ZAwvkDZ9YeiVRjBBOEmITAb91 Bj8Jmbhu2FQss46H0QDi2uLA1h3DtOH3f777BIR3bRRNN1S4i3f5S1Z3x4iDZ9zo+8fe x8Cg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:user-agent:message-id:in-reply-to:date:references :subject:to:from:dkim-signature; bh=ilbqsHy+xICnEenpAbh6ON1IN2Xe0LpX9BaFbbNxkDI=; b=oXiw/CVfwxpJ//2dIg9iBPaoHETCpvf00WgFELKjLeVDi4kH7jHXUlzLCjRPZcLVvP bNHhk+tT+hMKuRl/TamSUyUy9HDJtrAQmerWHNpvMn5Al+ygLRTh+CdpLUJ4v3FpOA0v Ia5EbMCoYZehRCNSt7xt+klSYIb7QQPZJxmbkUpzduiNZiaD9as/9V7DxWB1cdFB/Bi8 ABV/dK0wzWPRrzz7U5zc2VHSyZQW+dcLYEGo3wmJIcmGhbd1bpRJObaD+7xvkdIrmn/d m1q5E+tHqShV33exCtNfX+nd8xrtgFpl4yfR7xH1bZIT/5/eJBMEM9JBagAFIs3MASDJ +1bw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@redhat.com header.s=mimecast20190719 header.b=WABXn07B; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id f1si5521274qtm.223.2020.05.18.22.09.55 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 18 May 2020 22:09:55 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@redhat.com header.s=mimecast20190719 header.b=WABXn07B; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from localhost ([::1]:56272 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jauVn-0007F2-9o for alex.bennee@linaro.org; Tue, 19 May 2020 01:09:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32858) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jauVi-0007Ep-4f for qemu-arm@nongnu.org; Tue, 19 May 2020 01:09:50 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:25176 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jauVh-00038E-3H for qemu-arm@nongnu.org; Tue, 19 May 2020 01:09:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589864987; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ilbqsHy+xICnEenpAbh6ON1IN2Xe0LpX9BaFbbNxkDI=; b=WABXn07BzXLPujzKCuprUI/7DDWo2NEjMur0iEnMtelwFcH+j8HJmAZs3qBMeLGleZ4v2c M6QGC2ar+qfJZcfAyC+GvCE3NwgNRdXjy9KIh4n03vp9Hmc/tuQ2F6MTt7RQ+VbixSZsOt N2+4Yai62lnq0d5dMSmZ4HMyHD9BoNw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-231-8758fI4lMj2Zo0Mmmp2nLA-1; Tue, 19 May 2020 01:09:44 -0400 X-MC-Unique: 8758fI4lMj2Zo0Mmmp2nLA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7134D1005510; Tue, 19 May 2020 05:09:42 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-32.ams2.redhat.com [10.36.112.32]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 11B6160BF3; Tue, 19 May 2020 05:09:41 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 62EC211358BC; Tue, 19 May 2020 07:09:40 +0200 (CEST) From: Markus Armbruster To: Fred Konrad Subject: Re: [PATCH 02/24] display/xlnx_dp: Fix to realize "i2c-ddc" and "aux-to-i2c-bridge" References: <20200518050408.4579-1-armbru@redhat.com> <20200518050408.4579-3-armbru@redhat.com> Date: Tue, 19 May 2020 07:09:40 +0200 In-Reply-To: (Fred Konrad's message of "Mon, 18 May 2020 10:19:50 +0200") Message-ID: <878sho7bor.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=207.211.31.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/19 00:34:39 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , berrange@redhat.com, ehabkost@redhat.com, Alistair Francis , qemu-devel@nongnu.org, qemu-arm@nongnu.org, pbonzini@redhat.com, KONRAD Frederic Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: GC2zP20ofotI Fred Konrad writes: > Le 5/18/20 =C3=A0 7:03 AM, Markus Armbruster a =C3=A9crit=C2=A0: >> xlnx_dp_init() creates these two devices, but they're never realized. >> Affects machine xlnx-zcu102. >> >> I wonder how this ever worked. If the "device becomes real only on >> realize" thing actually works, then we've always been missing these >> two devices, yet nobody noticed. > > I can't tell, but it used to work back in 2016 since these devices were r= equired > to have a working framebuffer. I don't doubt you. I figure the "device becomes real only on realize" thing is actually more myth than thing. 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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5EDBC433DF for ; Tue, 19 May 2020 05:10:30 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 80DFD20758 for ; Tue, 19 May 2020 05:10:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="WABXn07B" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 80DFD20758 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57514 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jauWL-0007m0-Kb for qemu-devel@archiver.kernel.org; Tue, 19 May 2020 01:10:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32856) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jauVi-0007Em-2M for qemu-devel@nongnu.org; Tue, 19 May 2020 01:09:50 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:44563 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jauVh-00038D-1w for qemu-devel@nongnu.org; Tue, 19 May 2020 01:09:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589864987; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ilbqsHy+xICnEenpAbh6ON1IN2Xe0LpX9BaFbbNxkDI=; b=WABXn07BzXLPujzKCuprUI/7DDWo2NEjMur0iEnMtelwFcH+j8HJmAZs3qBMeLGleZ4v2c M6QGC2ar+qfJZcfAyC+GvCE3NwgNRdXjy9KIh4n03vp9Hmc/tuQ2F6MTt7RQ+VbixSZsOt N2+4Yai62lnq0d5dMSmZ4HMyHD9BoNw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-231-8758fI4lMj2Zo0Mmmp2nLA-1; Tue, 19 May 2020 01:09:44 -0400 X-MC-Unique: 8758fI4lMj2Zo0Mmmp2nLA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7134D1005510; Tue, 19 May 2020 05:09:42 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-32.ams2.redhat.com [10.36.112.32]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 11B6160BF3; Tue, 19 May 2020 05:09:41 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 62EC211358BC; Tue, 19 May 2020 07:09:40 +0200 (CEST) From: Markus Armbruster To: Fred Konrad Subject: Re: [PATCH 02/24] display/xlnx_dp: Fix to realize "i2c-ddc" and "aux-to-i2c-bridge" References: <20200518050408.4579-1-armbru@redhat.com> <20200518050408.4579-3-armbru@redhat.com> Date: Tue, 19 May 2020 07:09:40 +0200 In-Reply-To: (Fred Konrad's message of "Mon, 18 May 2020 10:19:50 +0200") Message-ID: <878sho7bor.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=207.211.31.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/19 00:34:39 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , berrange@redhat.com, ehabkost@redhat.com, Alistair Francis , qemu-devel@nongnu.org, qemu-arm@nongnu.org, pbonzini@redhat.com, "Edgar E. Iglesias" , KONRAD Frederic Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Fred Konrad writes: > Le 5/18/20 =C3=A0 7:03 AM, Markus Armbruster a =C3=A9crit=C2=A0: >> xlnx_dp_init() creates these two devices, but they're never realized. >> Affects machine xlnx-zcu102. >> >> I wonder how this ever worked. If the "device becomes real only on >> realize" thing actually works, then we've always been missing these >> two devices, yet nobody noticed. > > I can't tell, but it used to work back in 2016 since these devices were r= equired > to have a working framebuffer. I don't doubt you. I figure the "device becomes real only on realize" thing is actually more myth than thing.