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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 2076CC433F5 for ; Mon, 6 Dec 2021 21:36:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 944B273379; Mon, 6 Dec 2021 21:36:16 +0000 (UTC) Received: from smtp5-g21.free.fr (smtp5-g21.free.fr [212.27.42.5]) by gabe.freedesktop.org (Postfix) with ESMTPS id 713C673379 for ; Mon, 6 Dec 2021 21:36:15 +0000 (UTC) Received: from zimbra39-e7.priv.proxad.net (unknown [172.20.243.189]) by smtp5-g21.free.fr (Postfix) with ESMTP id D08495FF27; Mon, 6 Dec 2021 22:36:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=free.fr; s=smtp-20201208; t=1638826573; bh=56JkZHxxSPjJ9+3JdJmQbsPsgzbCie0RwSuteDtLPaA=; h=Date:From:To:Cc:In-Reply-To:Subject:From; b=uDg+0txWrtVK4MG+YeLF6fyFaZ9d3A0Xu1FrF+WQwv1Fn+qsekuQ+rRWFPcAyZcuS sCJ0Q2OlLfUFPAPsrQYPnodMGkR7hJ4MwkVC+bzYEuV9zH323XIOj/vAokU5L61Hho ygBbDJK1h40NvXJins2z3padHO48qvpp0Hc48A5NREOTE8Il05TKCzzAOdlNavIYRT mtaG+x/Jndb05Z3LSNiw8Glb1QqDJ2Mz6/jpB2HEpDQbVDKIeFB+sEnhfWHSlrYXNG skbhHF5Ifa8MSNICN9WwkyPn3wqTpdDuYd8EXg9WSifRiDGpEWHEvK1msZ6Di0TVuX sOSabtFHqpzCw== Date: Mon, 6 Dec 2021 22:36:12 +0100 (CET) From: Yann Dirson To: Alex Deucher Message-ID: <2007970240.32601068.1638826572724.JavaMail.root@zimbra39-e7> In-Reply-To: Subject: Re: Various problems trying to vga-passthrough a Renoir iGPU to a xen/qubes-os hvm MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [88.120.44.86] X-Mailer: Zimbra 7.2.0-GA2598 (ZimbraWebClient - FF3.0 (Linux)/7.2.0-GA2598) X-Authenticated-User: ydirson@free.fr X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: amd-gfx list Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Hi Alex, > We have not validated virtualization of our integrated GPUs. I don't > know that it will work at all. We had done a bit of testing but ran > into the same issues with the PSP, but never had a chance to debug > further because this feature is not productized. ... > You need a functional PSP to get the GPU driver up and running. Ah, thanks for the hint :) I guess that if I want to have any chance to get the PSP working I'm going to need more details on it. A quick search some time ago mostly brought reverse-engineering work, rather than official AMD doc. Are there some AMD resources I missed ? Best regards, -- Yann