From: Deepak S <deepa...@intel.com>
For RC6 Timeout method, we need to set promotion timer to 1750 us ( 1367
* 1.28 us)
Signed-off-by: Deepak S <deepa...@intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 04e9863..cf3d54d 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4102,7 +4102,8 @@ static void valleyview_enable_rps(struct drm_device *dev)
for_each_ring(ring, dev_priv, i)
I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10);
- I915_WRITE(GEN6_RC6_THRESHOLD, 0xc350);
+ /* Timer for RC6 Timeout Mode set to 1750 us ( 1367 * 1.28 us) */
+ I915_WRITE(GEN6_RC6_THRESHOLD, 0x557);
/* allows RC6 residency counter to work */
I915_WRITE(VLV_COUNTER_CONTROL,
--
1.8.4.2
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