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drm/i915/skl: Double RC6 WRL always on
authorMika Kuoppala <mika.kuoppala@linux.intel.com>
Mon, 7 Dec 2015 16:29:45 +0000 (18:29 +0200)
committerJani Nikula <jani.nikula@intel.com>
Tue, 8 Dec 2015 14:03:06 +0000 (16:03 +0200)
WaRsDoubleRc6WrlWithCoarsePowerGating should
be enabled for all Skylakes. Make it so.

Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449505785-20812-2-git-send-email-mika.kuoppala@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
drivers/gpu/drm/i915/intel_pm.c patch | blob | blame | history

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 7096c0668fbb74901001c5b88ba7eafc99b217d3..85984567afdf4ed5f96c4b2821fd82f1dd0a72f8 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4673,8 +4673,7 @@ static void gen9_enable_rc6(struct drm_device *dev)
        /* 2b: Program RC6 thresholds.*/
 
        /* WaRsDoubleRc6WrlWithCoarsePowerGating: Doubling WRL only when CPG is enabled */
-       if (IS_SKYLAKE(dev) && !((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) &&
-                                IS_SKL_REVID(dev, 0, SKL_REVID_E0)))
+       if (IS_SKYLAKE(dev))
                I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 108 << 16);
        else
                I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16);