| Message ID | 20190409161310.20382-2-mika.kuoppala@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/7] drm/i915: Use dedicated rc6 enabling sequence for gen11 | expand |
On Tue, 09 Apr 2019 18:13:05 +0200, Mika Kuoppala <mika.kuoppala@linux.intel.com> 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@linux.intel.com> > --- > 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
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 */ I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE |
On gen11 the recommended rc6 threshold differs from previous gens, apply it. References: bspec#52070 Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> --- drivers/gpu/drm/i915/intel_pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)