1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index d1e53abec1b5..54242e4f6f4c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -511,8 +511,7 @@ void intel_update_fbc(struct drm_device *dev)
         obj = intel_fb->obj;
         adjusted_mode = &intel_crtc->config.adjusted_mode;
 
-        if (i915.enable_fbc < 0 &&
-            INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) {
+        if (i915.enable_fbc < 0) {
                 if (set_no_fbc_reason(dev_priv, FBC_CHIP_DEFAULT))
                         DRM_DEBUG_KMS("disabled per chip default\n");
                 goto out_disable;
@@ -3506,15 +3505,11 @@ static void gen8_enable_rps(struct drm_device *dev)
 
         I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
 
-        /* WaDisablePwrmtrEvent:chv (pre-production hw) */
-        I915_WRITE(0xA80C, I915_READ(0xA80C) & 0x00ffffff);
-        I915_WRITE(0xA810, I915_READ(0xA810) & 0xffffff00);
-
         /* 5: Enable RPS */
         I915_WRITE(GEN6_RP_CONTROL,
                    GEN6_RP_MEDIA_TURBO |
                    GEN6_RP_MEDIA_HW_NORMAL_MODE |
-                   GEN6_RP_MEDIA_IS_GFX | /* WaSetMaskForGfxBusyness:chv (pre-production hw ?) */
+                   GEN6_RP_MEDIA_IS_GFX |
                    GEN6_RP_ENABLE |
                    GEN6_RP_UP_BUSY_AVG |
                    GEN6_RP_DOWN_IDLE_AVG);
@@ -6024,30 +6019,32 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 static struct i915_power_domains *hsw_pwr;
 
 /* Display audio driver power well request */
-void i915_request_power_well(void)
+int i915_request_power_well(void)
 {
         struct drm_i915_private *dev_priv;
 
-        if (WARN_ON(!hsw_pwr))
-                return;
+        if (!hsw_pwr)
+                return -ENODEV;
 
         dev_priv = container_of(hsw_pwr, struct drm_i915_private,
                                 power_domains);
         intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
+        return 0;
 }
 EXPORT_SYMBOL_GPL(i915_request_power_well);
 
 /* Display audio driver power well release */
-void i915_release_power_well(void)
+int i915_release_power_well(void)
 {
         struct drm_i915_private *dev_priv;
 
-        if (WARN_ON(!hsw_pwr))
-                return;
+        if (!hsw_pwr)
+                return -ENODEV;
 
         dev_priv = container_of(hsw_pwr, struct drm_i915_private,
                                 power_domains);
         intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO);
+        return 0;
 }
 EXPORT_SYMBOL_GPL(i915_release_power_well);