[Intel-gfx] [PATCH] drm/i915: Restore GT coarse power gating workaround

[Andi Shyti]

Hi Imre,

On Thu, Nov 14, 2019 at 05:26:21PM +0200, Imre Deak wrote:
> The workaround to disable coarse power gating is still needed on SKL
> GT3/GT4 machines and since the RC6 context corruption was discovered by
> the hardware team also on all GEN9 machines. Restore applying the
> workaround.
> 
> Fixes: c113236718e8 ("drm/i915: Extract GT render sleep (rc6) management")
> Testcase: igt/intel_gt_pm_late_selftests/live_rc6_ctx
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Andi Shyti <andi.shyti at intel.com>
> Signed-off-by: Imre Deak <imre.deak at intel.com>

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

Thanks,
Andi