On 5/31/2016 1:48 AM, Chris Wilson wrote:
On Tue, May 31, 2016 at 12:16:11AM +0530, Sagar Arun Kamble wrote:
void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv)
@@ -4580,6 +4568,28 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
else
dev_priv
On Tue, May 31, 2016 at 12:16:11AM +0530, Sagar Arun Kamble wrote:
> void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv)
> @@ -4580,6 +4568,28 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
> else
> dev_priv->pm_rps_events = GEN6_PM_RPS_EVENTS;
>
>
On Loading, GuC sets PM interrupts routing (bit 31) and clears ARAT
expired interrupt (bit 9). Host turbo also updates this register
in RPS flows. This patch ensures bit 31 and bit 9 setup by GuC persists.
ARAT timer interrupt is needed in GuC for various features. It also
facilitates halting GuC a
