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

[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!

/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
>>>