Ok, I'll admit that I don't really know what this stuff does. But can
you please try the values provided by the ChromeOS team?
Thanks, Daniel
---
drivers/gpu/drm/i915/intel_pm.c | 17 +++++------------
1 file changed, 5 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 58c07cd..2ef15cb 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2436,22 +2436,15 @@ static void gen6_enable_rps(struct drm_device *dev)
I915_WRITE(GEN6_RC_VIDEO_FREQ,
GEN6_FREQUENCY(12));
- I915_WRITE(GEN6_RP_DOWN_TIMEOUT, 1000000);
+ I915_WRITE(GEN6_RP_DOWN_TIMEOUT, 10000);
I915_WRITE(GEN6_RP_INTERRUPT_LIMITS,
dev_priv->max_delay << 24 |
dev_priv->min_delay << 16);
- if (IS_HASWELL(dev)) {
- I915_WRITE(GEN6_RP_UP_THRESHOLD, 59400);
- I915_WRITE(GEN6_RP_DOWN_THRESHOLD, 245000);
- I915_WRITE(GEN6_RP_UP_EI, 66000);
- I915_WRITE(GEN6_RP_DOWN_EI, 350000);
- } else {
- I915_WRITE(GEN6_RP_UP_THRESHOLD, 10000);
- I915_WRITE(GEN6_RP_DOWN_THRESHOLD, 1000000);
- I915_WRITE(GEN6_RP_UP_EI, 100000);
- I915_WRITE(GEN6_RP_DOWN_EI, 5000000);
- }
+ I915_WRITE(GEN6_RP_UP_THRESHOLD, 0x4000);
+ I915_WRITE(GEN6_RP_DOWN_THRESHOLD, 0x4000);
+ I915_WRITE(GEN6_RP_UP_EI, 66000);
+ I915_WRITE(GEN6_RP_DOWN_EI, 350000);
I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
I915_WRITE(GEN6_RP_CONTROL,
--
1.7.10.4
