linux-kernel - Re: [PATCH v2] nouveau: fix OpenFirmware support

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Message-ID: <CAKb7UvhUy_COrzTp8yCceEiz76XVQ3dt8aKdjB7M+Mrc-2iJrQ@mail.gmail.com>
Date:	Wed, 14 Oct 2015 10:52:10 -0400
From:	Ilia Mirkin <imirkin@...m.mit.edu>
To:	Olaf Hering <olaf@...fle.de>
Cc:	Laurent Vivier <laurent@...ier.eu>,
	Dave Airlie <airlied@...hat.com>,
	Ben Skeggs <bskeggs@...hat.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] nouveau: fix OpenFirmware support

On Wed, Oct 14, 2015 at 10:20 AM, Olaf Hering <olaf@...fle.de> wrote:
> On Sun, Oct 11, Laurent Vivier wrote:
>
>> On PowerMac G5 (and I think on all OpenFirmware platforms), nvbios_pcirTp()
>> returns NULL. But in fact the OpenFirmware has given us the size
>> we can store in image->size.
>
>> CC: imirkin@...m.mit.edu
>> Signed-off-by: Laurent Vivier <laurent@...ier.eu>
>
> Tested-by: Olaf Hering <olaf@...fle.de>
>
> Broken since a while already...
> https://lists.ozlabs.org/pipermail/linuxppc-dev/2015-March/126737.html

FTR, looks like my version is upstream now:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=25d295882a1adfcdaaad85369289677b87c7c8f0

I agree that my of_size thing was a bit of a hack, if you want to redo
it by removing of_size/of_read from shadowof.c and copying it in at
init time (also a hack, IMHO), I certainly wouldn't object. As before,
it's Ben's call though.

  -ilia
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