Re: [PATCH v3 6/9] radeon: Switch to arch_phys_wc_add and add amissing ..._del

From: Jerome Glisse
Date: Wed May 15 2013 - 10:49:45 EST


On Tue, May 14, 2013 at 5:35 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> On Tue, May 14, 2013 at 6:37 AM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote:
>> On Tue, May 14, 2013 at 8:58 AM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
>>> On Mon, May 13, 2013 at 7:58 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
>>>> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
>>>> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
>>>
>>> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
>>
>> I believe it will break something but we could deal with the fallout
>> once it happens.
>
> FWIW, I'm running with this code on my machine right now using the
> radeon driver. Everything seems fine. If I build without MTRRs and
> without PAT, though, graphics are slow (as expected). So I think
> everything's okay.
>
> --Andy

I am worried on p4 where i last see issue with that notably with agp.

Cheers,
Jerome
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