[PATCH 00/10] drm: Hide import_attach from GEM code and helpers

[Thomas Zimmermann]

Am 05.03.25 um 16:38 schrieb Christian König:
> Reviewed-by: Christian König <christian.koenig at amd.com> for the entire series.

Thanks. I have equivalent patches for drivers as well. I'll send them 
out once this series has propagated through the trees.

Best regards
Thomas

>
> Regards,
> Christian.
>
> Am 26.02.25 um 18:03 schrieb Thomas Zimmermann:
>> Do not use struct drm_gem_object.import_attach unnecessarily. The
>> field is set by the PRIME import helpers. GEM and other helpers use
>> it for testing for imported dma-bufs and retrieving the respective
>> dma-buf instance.
>>
>> Replace all tests for import_attach with the new GEM helper function
>> drm_gem_is_imported(). The helper avoids import_attach in favor of
>> testing the imported dma-buf's object against the provided GEM object.
>>
>> Also replace references to import_attach.dmabuf. The imported dma-buf
>> is also available in the GEM object's dma_buf field.
>>
>> This series cleans up the GEM core and helpers. Drivers also use
>> import_attach and should later be updated as well.
>>
>> There's a TODO item for making import_attach entirely optional. This
>> series is a first step towards this goal.
>>
>> Thomas Zimmermann (10):
>>    drm/gem: Test for imported GEM buffers with helper
>>    drm/gem-dma: Test for imported buffers with drm_gem_is_imported()
>>    drm/gem-dma: Use dma_buf from GEM object instance
>>    drm/gem-shmem: Test for imported buffers with drm_gem_is_imported()
>>    drm/gem-shmem: Use dma_buf from GEM object instance
>>    drm/gem-framebuffer: Test for imported buffers with
>>      drm_gem_is_imported()
>>    drm/gem-framebuffer: Use dma_buf from GEM object instance
>>    drm/fb-dma-helper: Test for imported buffers with
>>      drm_gem_is_imported()
>>    drm/mipi-dbi: Test for imported buffers with drm_gem_is_imported()
>>    drm/prime: Use dma_buf from GEM object instance
>>
>>   drivers/gpu/drm/drm_fb_dma_helper.c          |  2 +-
>>   drivers/gpu/drm/drm_gem.c                    |  4 +--
>>   drivers/gpu/drm/drm_gem_dma_helper.c         |  4 +--
>>   drivers/gpu/drm/drm_gem_framebuffer_helper.c | 12 +++-----
>>   drivers/gpu/drm/drm_gem_shmem_helper.c       | 30 ++++++++++----------
>>   drivers/gpu/drm/drm_mipi_dbi.c               |  2 +-
>>   drivers/gpu/drm/drm_prime.c                  |  8 +-----
>>   include/drm/drm_gem.h                        | 14 +++++++++
>>   include/drm/drm_gem_shmem_helper.h           |  2 +-
>>   9 files changed, 41 insertions(+), 37 deletions(-)
>>

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)