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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 AA668C433E1 for ; Tue, 25 Aug 2020 07:22:31 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 5D60820706 for ; Tue, 25 Aug 2020 07:22:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="iCjfVXPh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5D60820706 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=crapouillou.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4EFB16E878; Tue, 25 Aug 2020 07:22:30 +0000 (UTC) Received: from crapouillou.net (crapouillou.net [89.234.176.41]) by gabe.freedesktop.org (Postfix) with ESMTPS id D9B356E598 for ; Mon, 24 Aug 2020 21:11:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1598303487; h=from:from:sender: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=nEDvPQGA28ui4gkChbVblrhftFg/zkWXqE9+iID1kIo=; b=iCjfVXPhWcXAJva525nkOFlCkK56Na49yEBbJ8xxpkA3OywJRvsLn2kC1txFweJzLP7hfl JbwTz4mo4AkoLplPLrkCikxWVvinyO1TXjWdwbOwb48d0nuxH+O3+vhN9E/cqfFxhpg6YV DhQ6kvKwk1S8LNSG/wNLbLu0JeuLylM= Date: Mon, 24 Aug 2020 23:11:16 +0200 From: Paul Cercueil Subject: Re: drm/bridge: Synopsys DW-HDMI bridge driver for the Ingenic JZ4780 (was Re: Specialising the Synopsys DW-HDMI bridge driver for the Ingenic JZ4780) To: Ezequiel Garcia Message-Id: In-Reply-To: References: <1940005.XIBaf5lNV5@jeremy> <1857880.I5TKlsx52r@jason> <6531669.OW97vx6Khr@jason> <829D6884-D1F1-4197-B25C-F0DBF2F4AEA7@goldelico.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 25 Aug 2020 07:21:33 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jernej Skrabec , Paul Boddie , Jonas Karlman , "H. Nikolaus Schaller" , Neil Armstrong , dri-devel , MIPS Creator CI20 Development Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Le lun. 24 ao=FBt 2020 =E0 14:38, Ezequiel Garcia = a =E9crit : > On Mon, 24 Aug 2020 at 13:05, H. Nikolaus Schaller = > wrote: >> = >> Hi Ezequiel, >> = >> > Am 24.08.2020 um 15:46 schrieb Ezequiel Garcia = >> : >> > >> > On Fri, 21 Aug 2020 at 19:24, Paul Cercueil = >> wrote: >> >> >> >> >> >> >> >> Le sam. 22 ao=FBt 2020 =E0 0:11, Paul Boddie a >> >> =E9crit : >> >> >> >> If you send clean patches, there's no reason for me not to merge = >> them. >> >> >> > >> > I'd really like to see HDMI support on my CI20 being merged. = >> Thank to >> > recent ingenic-drm work and thanks for Paul Boddie and Nikolaus = >> work, >> > the patches are IMO quite clean. >> = >> I have done some testing and it appears that it only works if DRM is >> compiled into the kernel. At least in my setup. If DRM and/or HDMI = >> are made >> modules there is no video or code doesn't compile completely. >> = >> We have to analyse that further. >> = > = > Ah! That's true. > = > The fix is just re-organizing the code a bit. Just pushed a possible > fix for that (following the IPU handling by Paul Cercueil), > please feel free to test this: > = > https://gitlab.collabora.com/linux/0day/-/commits/jz4780-drm-hdmi-module-= fix-v5.9-rc2 > = > FWIW, my test setup uses mainline vanilla U-Boot v2020.07. > The kernel is loaded via TFTP. Debian mipsel is mounted via NFS > (which means dm9000 works). I'm testing with weston and modetest. > = > Note that enabling DRM_INGENIC_IPU will make the driver > fail to load, as the IPU is not optional (and not present on = > ci20.dts). > A minor thing to fix. Actually that's a bug, the IPU should be optional. I'll come up with a = fix. >> And it seems to differ significantly from what Paul has developed = >> recently >> to make it work. It seems to be quite lucky that we have a working = >> setup now :) >> = >> > Nikolaus, Paul: Do you have plans to submit these? >> = >> Yes, as soon as we are sure that it works (and when it doesn't). >> = >> But thanks to your work it is now much easier to improve things, = >> since we >> are no longer looking for a break-through but just have to avoid = >> regressions. >> = >> > If not, I'll be happy to get them out the door for review. >> = >> Let it mature a little first and have it tested on more setups and = >> rebased >> to mainline v5.9-rc2 :) >> = DRM drivers follow their own schedule, you should rebase to = drm-misc-next instead. Cheers, -Paul _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel