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[v2] drm/i915/chv: Extend set idle rps wa to chv

Message ID 1431175314-21661-1-git-send-email-deepak.s@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

deepak.s@linux.intel.com May 9, 2015, 12:41 p.m. UTC 
From: Deepak S <deepak.s@linux.intel.com>

It is observed on BSW that requesting a new frequency from Punit
does nothing when the GPU is in rc6, and if we let GPU enter rc6
with a high frequency, Vnn remains slightly higher than at minimum
frequency. Extending vlv_set_rps_idle() workaround on CHV/BSW.

v2: Update commit msg (Ville)

suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 7 -------
 1 file changed, 7 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 82dfdbc..064f11a 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4052,15 +4052,8 @@  static void valleyview_set_rps(struct drm_device *dev, u8 val)
 */
 static void vlv_set_rps_idle(struct drm_i915_private *dev_priv)
 {
-	struct drm_device *dev = dev_priv->dev;
 	u32 val = dev_priv->rps.idle_freq;
 
-	/* CHV don't need to force the gfx clock */
-	if (IS_CHERRYVIEW(dev)) {
-		valleyview_set_rps(dev_priv->dev, val);
-		return;
-	}
-
 	if (dev_priv->rps.cur_freq <= val)
 		return;