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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 8C71ACA9EA0 for ; Tue, 22 Oct 2019 14:42:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D27A2086D for ; Tue, 22 Oct 2019 14:42:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="JXRGHqiq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729923AbfJVOmW (ORCPT ); Tue, 22 Oct 2019 10:42:22 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:44408 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725788AbfJVOmV (ORCPT ); Tue, 22 Oct 2019 10:42:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ea447GvPkMEJiK8cNRVkTbBPIJxvbAAmR8a4za/AwAc=; b=JXRGHqiqeDJzmaKxjhTB20Txb jWigRJBTqQhDbfBYaZBGdjUhN8efePBdsIzkg6TrcjRfE74PF5veCxNs5E4xeu9UXOZbZAMXCZixn AMKsWUJKCq6SUUkXVANwgrWOmNqX/1H8Xb5tECSQ1mI7mNhIbSypyT40zA28RTq5izjO/TIMHSvIu A8PjopG7oo/FBnWxGPxKf2FmhVGzDi0Nhvk2sns92wGpZw951JX7M76yvu6OaiAE4uTRoPRcM80aC uURP3mKkb9BQftP+xgo1zssNKP2fj3J2Xu4fLBLj9yK3xSg6r5nt+DPGj0RoXOj0j/PA/O/K2VSKK UAtRcHYrQ==; Received: from shell.armlinux.org.uk ([2002:4e20:1eda:1:5054:ff:fe00:4ec]:53540) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1iMvMS-0007pF-IO; Tue, 22 Oct 2019 15:42:12 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1iMvMN-0004ev-Ad; Tue, 22 Oct 2019 15:42:07 +0100 Date: Tue, 22 Oct 2019 15:42:07 +0100 From: Russell King - ARM Linux admin To: Daniel Vetter Cc: Brian Starkey , nd , David Airlie , Liviu Dudau , "linux-kernel@vger.kernel.org" , "james qian wang (Arm Technology China)" , "dri-devel@lists.freedesktop.org" , Mihail Atanassov , Sean Paul Subject: Re: [RFC,3/3] drm/komeda: Allow non-component drm_bridge only endpoints Message-ID: <20191022144207.GV25745@shell.armlinux.org.uk> References: <5390495.Gzyn2rW8Nj@e123338-lin> <20191016162206.u2yo37rtqwou4oep@DESKTOP-E1NTVVP.localdomain> <20191017030752.GA3109@jamwan02-TSP300> <20191017082043.bpiuvfr3r4jngxtu@DESKTOP-E1NTVVP.localdomain> <20191017102055.GA8308@jamwan02-TSP300> <20191017104812.6qpuzoh5bx5i2y3m@DESKTOP-E1NTVVP.localdomain> <20191017114137.GC25745@shell.armlinux.org.uk> <20191022084210.GX11828@phenom.ffwll.local> <20191022084826.GP25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 22, 2019 at 10:50:42AM +0200, Daniel Vetter wrote: > On Tue, Oct 22, 2019 at 10:48 AM Russell King - ARM Linux admin > wrote: > > I had a patches, which is why I raised the problem with the core: > > > > 6961edfee26d bridge hacks using device links > > > > but it never went further than an experiment at the time because of the > > problems in the core. As it was a hack, it never got posted. Seems > > that kernel tree (for the cubox) is still 5.2 based, so has a lot of > > patches and might need updating to a more recent base before anything > > can be tested. > > > For reference, the panel patch: > > https://patchwork.kernel.org/patch/10364873/ > > And the huge discussion around bridges, that resulted in Rafael > Wyzocki fixing all the core issues: > > https://www.spinics.net/lists/dri-devel/msg201927.html > > James, do you want to look into this for bridges? I can now confirm that it does work. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up