[Nouveau] Resource map sanity check fails after GRUB "keeps" the gfx mode

[David Herrmann]

Hi Pavel

On Wed, Oct 2, 2013 at 11:46 PM, Pavel Roskin <proski at gnu.org> wrote:
> On Wed, 2 Oct 2013 16:47:29 +0200
> David Herrmann <dh.herrmann at gmail.com> wrote:
>
>> Thanks for your investigations. I finally sent my patch and put you on
>> CC. Sorry for the delay, but I have mostly catched up with all emails
>> now.
>>
>> This really just suppresses the warning and nothing else.
>
> Thank you for your detailed explanation in the patch.
>
>> It does not
>> fix any lockup/crash/...
>
> I know.  I was surprised that my patch fixed something else, but now we
> know that it didn't.  It's better when patches don't have unexpected
> effects even if the effects are positive :)

Indeed. And I appreciate your help a lot.

>> And your PCI-BAR adjustment doesn't change
>> anything either, sorry.
>
> I simply tried another approach to pacify the resource checker.
>
> However, there is some difference.  nvidiafb cannot access the
> resources if IORESOURCE_BUSY is used.

Are you sure this is related to IORESOURCE_BUSY? Or is it related to
CONFIG_X86_SYSFB?

Thanks
David

> It's not that it matters for me.  nvidiafb fails on my hardware anyway
> and I don't need it when I already have simplefb and nouveau.  But I
> think we should have a closer look why it fails and what other drivers
> may fail.
>
> --
> Regards,
> Pavel Roskin