On 19 July 2018 at 20:47, Chris Wilson <[email protected]> wrote:
> On older HW, gen2/3, fence registers are used for detiling GPU commands
> and as such changing those registers requires serialisation with the
> requests on the GPU. Anything running on the GPU is subject to a hang,
> and so we must be able to recover cleanly in the middle of a stuck wait
> on a fence register.
>
> We can simulate using the fence on the GPU simply by marking the fence
> as active on the request for this vma, the interface being common to all
> gen, thus broadening the test.
>
> Signed-off-by: Chris Wilson <[email protected]>
> Cc: Tvrtko Ursulin <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
