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

[Maarten Lankhorst]

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.

~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
>>