diff options
| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2019-04-10 13:59:18 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-04-11 08:39:51 +0100 |
| commit | d105e9ad548daabf641d377fb4c963a1aa2d8127 (patch) | |
| tree | f9eaa818643b3d51eb81fd49e420e32b5d20931d /drivers/gpu/drm/i915/intel_pm.c | |
| parent | a79208de65fe78d684eae529a7a3d606599744a6 (diff) | |
drm/i915/icl: Apply a recommended rc6 threshold
On gen11 the recommended rc6 threshold differs from previous
gens, apply it. Move the write to a correct spot in sequence.
v2: do write in 2b, fix bspec ref (Michal)
Bspec: 33149
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190410105923.18546-2-mika.kuoppala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 4d87790aefa1..b7946a73cea3 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7151,6 +7151,8 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv) I915_WRITE(GEN6_RC_SLEEP, 0); + I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */ + /* * 2c: Program Coarse Power Gating Policies. * @@ -7176,8 +7178,6 @@ 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_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | GEN6_RC_CTL_RC6_ENABLE | |