[Intel-gfx] [Intel-xe] [PATCH v4 0/3] drm/helpers: Make the suballocation manager drm generic

[Christian König]

Am 27.02.23 um 10:00 schrieb Thomas Hellström:
> Hi, Maarten,
>
> On 2/27/23 09:55, Maarten Lankhorst wrote:
>> Hey,
>>
>> I can push this to drm-misc-next, I don't think a drm maintainer ack 
>> is needed, as long as we have the acks from the amd folk for merging 
>> through drm-misc-next.
>>
> OK, sound good, we have that ack so please go ahead!

Works for me and I don't think Alex would object either.

Regards,
Christian.

>
> /Thomas
>
>
>> ~Maarten
>>
>> On 2023-02-27 09:11, Thomas Hellström wrote:
>>> Daniel, Dave
>>>
>>> Ack to merge this to drm through drm-misc-next?
>>>
>>> /Thomas
>>>
>>>
>>> On 2/24/23 10:51, Thomas Hellström wrote:
>>>> This series (or at least the suballocator helper) is a prerequisite
>>>> for the new Xe driver.
>>>>
>>>> There was an unresolved issue when the series was last up for review,
>>>> and that was the per allocation aligment. Last message was from
>>>> Maarten Lankhorst arguing that the larger per-driver alignment used
>>>> would only incur a small memory cost. This new variant resolves that.
>>>>
>>>> The generic suballocator has been tested with the Xe driver, and a
>>>> kunit test is under development.
>>>> The amd- and radeon adaptations are only compile-tested.
>>>>
>>>> v3:
>>>> - Remove stale author information (Christian König)
>>>> - Update Radeon Kconfig (Thomas Hellström)
>>>>
>>>> v4:
>>>> - Avoid 64-bit integer divisions (kernel test robot <lkp at intel.com>)
>>>> - Use size_t rather than u64 for the managed range. (Thomas)
>>>>
>>>>
>>>> Maarten Lankhorst (3):
>>>>    drm/suballoc: Extract amdgpu_sa.c as generic suballocation helper
>>>>    drm/amd: Convert amdgpu to use suballocation helper.
>>>>    drm/radeon: Use the drm suballocation manager implementation.
>>>>
>>>>   drivers/gpu/drm/Kconfig                    |   4 +
>>>>   drivers/gpu/drm/Makefile                   |   3 +
>>>>   drivers/gpu/drm/amd/amdgpu/Kconfig         |   1 +
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu.h        |  26 +-
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c     |   5 +-
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.h |  23 +-
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h   |   3 +-
>>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c     | 324 +--------------
>>>>   drivers/gpu/drm/drm_suballoc.c             | 457 
>>>> +++++++++++++++++++++
>>>>   drivers/gpu/drm/radeon/Kconfig             |   1 +
>>>>   drivers/gpu/drm/radeon/radeon.h            |  55 +--
>>>>   drivers/gpu/drm/radeon/radeon_ib.c         |  12 +-
>>>>   drivers/gpu/drm/radeon/radeon_object.h     |  25 +-
>>>>   drivers/gpu/drm/radeon/radeon_sa.c         | 316 ++------------
>>>>   drivers/gpu/drm/radeon/radeon_semaphore.c  |   4 +-
>>>>   include/drm/drm_suballoc.h                 | 108 +++++
>>>>   16 files changed, 674 insertions(+), 693 deletions(-)
>>>>   create mode 100644 drivers/gpu/drm/drm_suballoc.c
>>>>   create mode 100644 include/drm/drm_suballoc.h
>>>>