Re: [PATCH v2] drm/ttm: Support 52-bit PAs in ttm_place

[Arunpravin Paneer Selvam <arunpravin.paneerselvam@amd.com>]

I modified the commit message and pushed into drm-misc-next.

Regards,
Arun.

On 5/13/2026 7:57 PM, Kuehling, Felix wrote:
> On 2026-05-13 09:19, Christian König wrote:
>> On 5/13/26 16:12, Felix Kuehling wrote:
>>> fpfn and lpfn in struct ttm_place are 32-bit page numbers. With 4KB 
>>> page
>>> size this can support up to 44-bit physical addressing. Grow these to
>>> unsigned long to support larger physical addresses.
>
> I forgot to update the commit message. It still says unsigned long. 
> @Arun, can you update that before you push it to drm-misc-next?
>
> Thanks,
>   Felix
>
>
>>>
>>> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
>> Reviewed-by: Christian König <christian.koenig@amd.com>
>>
>> @Arun can you pick that one up and push it to drm-misc-next?
>>
>> Thanks,
>> Christian.
>>
>>> ---
>>>   include/drm/ttm/ttm_placement.h | 4 ++--
>>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/include/drm/ttm/ttm_placement.h 
>>> b/include/drm/ttm/ttm_placement.h
>>> index b510a4812609..ab2639e42c54 100644
>>> --- a/include/drm/ttm/ttm_placement.h
>>> +++ b/include/drm/ttm/ttm_placement.h
>>> @@ -81,8 +81,8 @@
>>>    * Structure indicating a possible place to put an object.
>>>    */
>>>   struct ttm_place {
>>> -    unsigned    fpfn;
>>> -    unsigned    lpfn;
>>> +    uint64_t    fpfn;
>>> +    uint64_t    lpfn;
>>>       uint32_t    mem_type;
>>>       uint32_t    flags;
>>>   };