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=2.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,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 98E8CC54E8D for ; Mon, 11 May 2020 22:52:26 +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 6ED2D206F5 for ; Mon, 11 May 2020 22:52:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="k/Z/BwoP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6ED2D206F5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 A16266E7D3; Mon, 11 May 2020 22:52:20 +0000 (UTC) Received: from mail-vs1-xe2a.google.com (mail-vs1-xe2a.google.com [IPv6:2607:f8b0:4864:20::e2a]) by gabe.freedesktop.org (Postfix) with ESMTPS id ABAA46E575 for ; Mon, 11 May 2020 20:25:19 +0000 (UTC) Received: by mail-vs1-xe2a.google.com with SMTP id u12so6487366vsq.0 for ; Mon, 11 May 2020 13:25:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5m+n+vN0cZegpc+blupg22nb4Y2+YVeAj8bN0X8ffBo=; b=k/Z/BwoPAULpHkQgkeh4PmzZmqr8KN8Kl2kmj0pgJ2e9cuhKMyphcpR7SfAUOLATJ3 CjIkk+NVUG1re/zIz9EMXO72MJvOJ/r2lKmmka53U+07+WkWFPniLr76m1KJ9zWsmsxp ZKTRz8DWPbua07fLChA/V4Bpc80rIUST7i5ePdzxVgceE93HeaVQ8JhGa7+lDHqVd8vm hBV2oEWA7KZvTndJuteNQyFQPUB/zbCOhMyQ98t9hl/hGbu+yGh6RPkNzOSIO7T1Tn9l QPvllpmSfeFYd3V/6b2ieCXQcRrP42+Ty0nKB+gDZEqoJ1qTURz0eywVV+0A4P9WCRP6 nNmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5m+n+vN0cZegpc+blupg22nb4Y2+YVeAj8bN0X8ffBo=; b=mpdwyBrUuIuN+HKeKHssMzuWdt8UTkPeCNNFPzYDUpwWsoWKkC3Q8tA3psIlWnfhlW rQiSj2/27vzBtsZRZBiou+8udSB9VxhK22+510YIIV519PD1AwCpkYnUpRyB+S+WuWAR EkJQCvnR+tycBp2GBZmuk6DGugBWfCKoqlQrCb25j12ZqbaAoXTtekWIxogizr5EWiNE f1qde8Sr7YdEBJYDb9yCUfpxa2xpmrbJixUiUZGJRGdTPLoKvTCFkYYLcvrL7al1k+15 wGYdJuWekqLRkZ1xDtPwFXTAGdx1/65sU76otDMMH3j3xitkNdtyJKoPAwiahqbkC9UE YJ8A== X-Gm-Message-State: AGi0PuZPsJw1Di44S35PuTsIwO9DJsDieXn5f8DTkJEHtx/sSwvO1JR9 jyqYNM6RKb4uCznyrIUq5KeVZzCjncNNcOW7Yg== X-Google-Smtp-Source: APiQypKZdTxRPxsFu0n+HFQITNg34Jhqz7x/8f0v6rhTTV2thYtF0OxsOrpZy1MJjbjCI7wCZv7We3ye766s43Jgs2w= X-Received: by 2002:a67:6dc7:: with SMTP id i190mr12406610vsc.75.1589228718804; Mon, 11 May 2020 13:25:18 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Rui Salvaterra Date: Mon, 11 May 2020 21:25:06 +0100 Message-ID: Subject: Re: [RFC] Remove AGP support from Radeon/Nouveau/TTM To: Alex Deucher X-Mailman-Approved-At: Mon, 11 May 2020 22:51:58 +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: =?UTF-8?Q?Christian_K=C3=B6nig?= , "debian-powerpc@lists.debian.org" , Maling list - DRI developers , John Paul Adrian Glaubitz Content-Type: multipart/mixed; boundary="===============0844276597==" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" --===============0844276597== Content-Type: multipart/alternative; boundary="00000000000040539a05a565259d" --00000000000040539a05a565259d Content-Type: text/plain; charset="UTF-8" A segunda, 11/05/2020, 21:21, Alex Deucher escreveu: > > > Note there is no loss of functionality here, at least on radeon > hardware. It just comes down to which MMU gets used for access to > system memory, the AGP MMU on the chipset or the MMU built into the > GPU. On powerpc hardware, AGP has been particularly unstable, and > IIRC, AGP has been disabled by default on radeon on powerpc for a > while. > So this basically just drops support for the AGP GART? What happens to the AGP signalling rates (beyond the base rate)? > --00000000000040539a05a565259d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


A segunda, 11/05/2020, 21:21, Alex Deucher <alexdeucher@gmail.com> escreveu:


Note there is no loss of functionality here, at least on radeon
hardware.=C2=A0 It just comes down to which MMU gets used for access to
system memory, the AGP MMU on the chipset or the MMU built into the
GPU.=C2=A0 On powerpc hardware, AGP has been particularly unstable, and
IIRC, AGP has been disabled by default on radeon on powerpc for a
while.

So this basically just drops support for the AGP GART? What happens t= o the AGP signalling rates (beyond the base rate)?
<= div class=3D"gmail_quote">
--00000000000040539a05a565259d-- --===============0844276597== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel --===============0844276597==--