[PATCH 1/5] dma_buf: remove device parameter from attach callback

[Christian König]

Am 01.06.2018 um 16:02 schrieb Michel Dänzer:
> On 2018-06-01 02:11 PM, Christian König wrote:
>> Sorry, accidentally send this series without a cover letter.
>>
>> This is a cleanup to the DMA-buf interface, which is also a prerequisite
>> to unpinned DMA-buf operation.
>>
>> Patch #1 and #2 just remove unused functionality and clean up callback
>> parameters.
>>
>> Patch #3 and #4 introduce taking the reservation lock during
>> mapping/unmapping of DMA-bufs.
>>
>> This introduces a common lock where both exporter as well as importer
>> can then use in the future for unpinned DMA-buf operation.
>>
>> This of course means that exporters should now not take this reservation
>> lock manually any more. The DRM drivers don't seem to actually do that,
>> but I'm not 100% sure about other implementations.
>>
>> Patch #5 then makes use of the new lock to simplify the DMA-buf import
>> handling in amdgpu.
> Please rebase this series on top of
> https://patchwork.freedesktop.org/patch/226311/ and update the
> documentation in amdgpu_prime.c as needed in each patch.

Sure. In this case can we get your patches committed to 
amd-staging-drm-next ASAP?

Thanks,
Christian.