From: Sven Schnelle <svens@stackframe.org>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-parisc@vger.kernel.org, deller@gmx.de
Subject: Re: some progress with radeon on C8000
Date: Mon, 7 Oct 2019 09:33:17 +0200 [thread overview]
Message-ID: <20191007073317.GA20007@stackframe.org> (raw)
In-Reply-To: <20191002141907.GA8897@alpha.franken.de>
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
prev parent reply other threads:[~2019-10-07 7:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-28 21:44 some progress with radeon on C8000 Sven Schnelle
2019-10-02 14:19 ` Thomas Bogendoerfer
2019-10-02 20:37 ` John David Anglin
2019-10-04 12:06 ` Thomas Bogendoerfer
2019-10-04 12:36 ` Helge Deller
2019-10-07 7:33 ` Sven Schnelle [this message]
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