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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 B48F5C4740A for ; Mon, 7 Oct 2019 07:33:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6338C2173B for ; Mon, 7 Oct 2019 07:33:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=duncanthrax.net header.i=@duncanthrax.net header.b="SJQKqxxG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727219AbfJGHdU (ORCPT ); Mon, 7 Oct 2019 03:33:20 -0400 Received: from smtp.duncanthrax.net ([89.31.1.170]:58827 "EHLO smtp.duncanthrax.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726960AbfJGHdU (ORCPT ); Mon, 7 Oct 2019 03:33:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=duncanthrax.net; s=dkim; h=In-Reply-To:Content-Type:MIME-Version:References :Message-ID:Subject:Cc:To:From:Date; bh=JRziUrb5H1301RvdgPSx+Al5yntYg4F3TooNNRjEyyw=; b=SJQKqxxGdbVccJcZEo5Y1DMEIT Z6h3CpMlyRcgh6H6UvcQmcgbtC2OtjAXu11KI7tH/BAaw0E8BIQCBZFALcNFoCbW++mzMfu+PY8qE Qm9zGsVuwf2+ys478EdUN4k/y2pcFdwNrv/PMJpfSeiJn56H7y0GMitqwB3Fl3ejn1Dg=; Received: from [2001:470:70c5:1111:5054:ff:febf:83e1] (helo=stackframe.org) by smtp.eurescom.eu with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.86_2) (envelope-from ) id 1iHNWA-0005Z0-Qw; Mon, 07 Oct 2019 09:33:18 +0200 Date: Mon, 7 Oct 2019 09:33:17 +0200 From: Sven Schnelle To: Thomas Bogendoerfer Cc: linux-parisc@vger.kernel.org, deller@gmx.de Subject: Re: some progress with radeon on C8000 Message-ID: <20191007073317.GA20007@stackframe.org> References: <20190928214436.GC18685@stackframe.org> <20191002141907.GA8897@alpha.franken.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191002141907.GA8897@alpha.franken.de> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org Hi Thomas, On Wed, Oct 02, 2019 at 04:19:07PM +0200, Thomas Bogendoerfer wrote: > On Sat, Sep 28, 2019 at 11:44:36PM +0200, Sven Schnelle wrote: > > Hi List, > > > > i've spent quite some time this evening debugging why the Fire GL > > doesn't work in my C8000. As reading debug output didn't give me > > much insights, i decided to throw some Hardware at the Problem and > > connect a Logic Analyzer to the C8000. For that i switched to an old > > PCI Radeon 7000 which shows the same ring test failure. > > below patch (with debug print left in) got PCI radeon working for me, when > I played with it last time. The added fdc is a real fix, while the change > in parisc_agp_mask_memory is just a hack. The big problem there is to get > virtual address where the memory is mapped to in user space... Thanks. I wasn't aware that you spent already the time to debug this. Regards Sven