[PATCH 6/7] drm/radeon: allow asynchronous waiting on foreign fences

[Maarten Lankhorst]

Hey,

Op 04-09-14 om 13:54 schreef Christian König:
> Am 04.09.2014 um 13:42 schrieb Maarten Lankhorst:
>> Use the semaphore mechanism to make this happen, this uses signaling
>> from the cpu instead of signaling by the gpu.
>
> I'm not sure if this will work reliable when the semaphores are in system memory. We might need to reserve some VRAM for them instead.
>
> Regards,
> Christian.
Why would it be unreliable? I mostly kept it in semaphore for simplicity.

~Maarten