drm/i915: fix the RC6 status debug print

The parsing was incorrect for ILK and VLV.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 75c1c766b507..4ebb93c4e110 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3250,6 +3250,12 @@ static void valleyview_disable_rps(struct drm_device *dev)
 
 static void intel_print_rc6_info(struct drm_device *dev, u32 mode)
 {
+        if (IS_VALLEYVIEW(dev)) {
+                if (mode & (GEN7_RC_CTL_TO_MODE | GEN6_RC_CTL_EI_MODE(1)))
+                        mode = GEN6_RC_CTL_RC6_ENABLE;
+                else
+                        mode = 0;
+        }
         DRM_INFO("Enabling RC6 states: RC6 %s, RC6p %s, RC6pp %s\n",
                  (mode & GEN6_RC_CTL_RC6_ENABLE) ? "on" : "off",
                  (mode & GEN6_RC_CTL_RC6p_ENABLE) ? "on" : "off",
@@ -3876,7 +3882,7 @@ static void ironlake_enable_rc6(struct drm_device *dev)
         I915_WRITE(PWRCTXA, i915_gem_obj_ggtt_offset(dev_priv->ips.pwrctx) | PWRCTX_EN);
         I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
 
-        intel_print_rc6_info(dev, INTEL_RC6_ENABLE);
+        intel_print_rc6_info(dev, GEN6_RC_CTL_RC6_ENABLE);
 }
 
 static unsigned long intel_pxfreq(u32 vidfreq)