X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fi915_sysfs.c;h=6875b5654c63d55a65dcf639734e0de101f1f037;hb=95d5bfb3ac4cf5d7311f496761506c676f6b6323;hp=d5e1890678f9e61d551af21484dd2233fd8e817c;hpb=5c64e3a45d43c6e3fa87cbe02e10059171d10812;p=deliverable%2Flinux.git

diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index d5e1890678f9..6875b5654c63 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -212,7 +212,13 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev,
 	int ret;
 
 	mutex_lock(&dev_priv->rps.hw_lock);
-	ret = dev_priv->rps.cur_delay * GT_FREQUENCY_MULTIPLIER;
+	if (IS_VALLEYVIEW(dev_priv->dev)) {
+		u32 freq;
+		freq = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
+		ret = vlv_gpu_freq(dev_priv->mem_freq, (freq >> 8) & 0xff);
+	} else {
+		ret = dev_priv->rps.cur_delay * GT_FREQUENCY_MULTIPLIER;
+	}
 	mutex_unlock(&dev_priv->rps.hw_lock);
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", ret);
@@ -226,7 +232,10 @@ static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute
 	int ret;
 
 	mutex_lock(&dev_priv->rps.hw_lock);
-	ret = dev_priv->rps.max_delay * GT_FREQUENCY_MULTIPLIER;
+	if (IS_VALLEYVIEW(dev_priv->dev))
+		ret = vlv_gpu_freq(dev_priv->mem_freq, dev_priv->rps.max_delay);
+	else
+		ret = dev_priv->rps.max_delay * GT_FREQUENCY_MULTIPLIER;
 	mutex_unlock(&dev_priv->rps.hw_lock);
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", ret);
@@ -246,16 +255,25 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev,
 	if (ret)
 		return ret;
 
-	val /= GT_FREQUENCY_MULTIPLIER;
-
 	mutex_lock(&dev_priv->rps.hw_lock);
 
-	rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
-	hw_max = dev_priv->rps.hw_max;
-	non_oc_max = (rp_state_cap & 0xff);
-	hw_min = ((rp_state_cap & 0xff0000) >> 16);
+	if (IS_VALLEYVIEW(dev_priv->dev)) {
+		val = vlv_freq_opcode(dev_priv->mem_freq, val);
+
+		hw_max = valleyview_rps_max_freq(dev_priv);
+		hw_min = valleyview_rps_min_freq(dev_priv);
+		non_oc_max = hw_max;
+	} else {
+		val /= GT_FREQUENCY_MULTIPLIER;
+
+		rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
+		hw_max = dev_priv->rps.hw_max;
+		non_oc_max = (rp_state_cap & 0xff);
+		hw_min = ((rp_state_cap & 0xff0000) >> 16);
+	}
 
-	if (val < hw_min || val > hw_max || val < dev_priv->rps.min_delay) {
+	if (val < hw_min || val > hw_max ||
+	    val < dev_priv->rps.min_delay) {
 		mutex_unlock(&dev_priv->rps.hw_lock);
 		return -EINVAL;
 	}
@@ -264,8 +282,12 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev,
 		DRM_DEBUG("User requested overclocking to %d\n",
 			  val * GT_FREQUENCY_MULTIPLIER);
 
-	if (dev_priv->rps.cur_delay > val)
-		gen6_set_rps(dev_priv->dev, val);
+	if (dev_priv->rps.cur_delay > val) {
+		if (IS_VALLEYVIEW(dev_priv->dev))
+			valleyview_set_rps(dev_priv->dev, val);
+		else
+			gen6_set_rps(dev_priv->dev, val);
+	}
 
 	dev_priv->rps.max_delay = val;
 
@@ -282,7 +304,10 @@ static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute
 	int ret;
 
 	mutex_lock(&dev_priv->rps.hw_lock);
-	ret = dev_priv->rps.min_delay * GT_FREQUENCY_MULTIPLIER;
+	if (IS_VALLEYVIEW(dev_priv->dev))
+		ret = vlv_gpu_freq(dev_priv->mem_freq, dev_priv->rps.min_delay);
+	else
+		ret = dev_priv->rps.min_delay * GT_FREQUENCY_MULTIPLIER;
 	mutex_unlock(&dev_priv->rps.hw_lock);
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", ret);
@@ -302,21 +327,32 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev,
 	if (ret)
 		return ret;
 
-	val /= GT_FREQUENCY_MULTIPLIER;
-
 	mutex_lock(&dev_priv->rps.hw_lock);
 
-	rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
-	hw_max = dev_priv->rps.hw_max;
-	hw_min = ((rp_state_cap & 0xff0000) >> 16);
+	if (IS_VALLEYVIEW(dev)) {
+		val = vlv_freq_opcode(dev_priv->mem_freq, val);
+
+		hw_max = valleyview_rps_max_freq(dev_priv);
+		hw_min = valleyview_rps_min_freq(dev_priv);
+	} else {
+		val /= GT_FREQUENCY_MULTIPLIER;
+
+		rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
+		hw_max = dev_priv->rps.hw_max;
+		hw_min = ((rp_state_cap & 0xff0000) >> 16);
+	}
 
 	if (val < hw_min || val > hw_max || val > dev_priv->rps.max_delay) {
 		mutex_unlock(&dev_priv->rps.hw_lock);
 		return -EINVAL;
 	}
 
-	if (dev_priv->rps.cur_delay < val)
-		gen6_set_rps(dev_priv->dev, val);
+	if (dev_priv->rps.cur_delay < val) {
+		if (IS_VALLEYVIEW(dev))
+			valleyview_set_rps(dev, val);
+		else
+			gen6_set_rps(dev_priv->dev, val);
+	}
 
 	dev_priv->rps.min_delay = val;