Shared semaphores for amdgpu

Dave Airlie airlied at
Thu Mar 9 03:52:06 UTC 2017

On 28 February 2017 at 11:46, zhoucm1 <david1.zhou at> wrote:
> Hi Dave,
> The attached is our semaphore implementation, amdgpu_cs.c is drm file, the
> others are kernel file.
> Any suggestion?

I've built a tree with all these in it, and started looking into the interface.

I do wonder if we need the separate sem signal/wait interface, I think
we should just add
semaphore chunks to the CS interface.

I'm just playing around with this now.


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