[Intel-gfx] [PATCH 4/5] drm/i915/gt: Only disable preemption on gen8 render engines

[Andi Shyti]

Hi Chris,

On Thu, Jan 07, 2021 at 10:17:23PM +0000, Chris Wilson wrote:
> The reason why we did not enable preemption on Broadwater was due to
> missing GPGPU workarounds. Since this only applies to rcs0, only
> restrict rcs0 (and our global capabilities).
> 
> While this does not affect exposing a preemption capability to
> userspace, it does affect our internal decisions on whether to use
> timeslicing and semaphores between individual engines.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Andi Shyti <andi.shyti at intel.com>

Thanks,
Andi