On Tue, 09 Apr 2019 18:13:05 +0200, Mika Kuoppala
<mika.kuoppala@xxxxxxxxxxxxxxx> wrote:
On gen11 the recommended rc6 threshold differs from previous
gens, apply it.
References: bspec#52070
Is this correct number? I found it at 33149
And note that we are using different tag:
Bspec: 33149
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c
b/drivers/gpu/drm/i915/intel_pm.c
index 43ec0fb4c197..30ef507b88a4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7174,7 +7174,7 @@ static void gen11_enable_rc6(struct
drm_i915_private *dev_priv)
I915_WRITE(GEN9_RENDER_PG_IDLE_HYSTERESIS, 250);
/* 3a: Enable RC6 */
- I915_WRITE(GEN6_RC6_THRESHOLD, 37500); /* 37.5/125ms per EI */
+ I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */
Btw, in bspec this is done at the end of step 2b.
Shall we reorder whole function to match the spec?
~Michal
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