.mmap = NULL
};
+static ssize_t gt_cur_freq_mhz_show(struct device *kdev,
+ struct device_attribute *attr, char *buf)
+{
+ struct drm_minor *minor = container_of(kdev, struct drm_minor, kdev);
+ struct drm_device *dev = minor->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
+ ret = dev_priv->rps.cur_delay * GT_FREQUENCY_MULTIPLIER;
+ mutex_unlock(&dev->struct_mutex);
+
+ return snprintf(buf, PAGE_SIZE, "%d", ret);
+}
+
+static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
+{
+ struct drm_minor *minor = container_of(kdev, struct drm_minor, kdev);
+ struct drm_device *dev = minor->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
+ ret = dev_priv->rps.max_delay * GT_FREQUENCY_MULTIPLIER;
+ mutex_unlock(&dev->struct_mutex);
+
+ return snprintf(buf, PAGE_SIZE, "%d", ret);
+}
+
+static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
+{
+ struct drm_minor *minor = container_of(kdev, struct drm_minor, kdev);
+ struct drm_device *dev = minor->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
+ ret = dev_priv->rps.min_delay * GT_FREQUENCY_MULTIPLIER;
+ mutex_unlock(&dev->struct_mutex);
+
+ return snprintf(buf, PAGE_SIZE, "%d", ret);
+}
+
+static DEVICE_ATTR(gt_cur_freq_mhz, S_IRUGO, gt_cur_freq_mhz_show, NULL);
+static DEVICE_ATTR(gt_max_freq_mhz, S_IRUGO | S_IWUSR, gt_max_freq_mhz_show, NULL);
+static DEVICE_ATTR(gt_min_freq_mhz, S_IRUGO | S_IWUSR, gt_min_freq_mhz_show, NULL);
+
+static const struct attribute *gen6_attrs[] = {
+ &dev_attr_gt_cur_freq_mhz.attr,
+ &dev_attr_gt_max_freq_mhz.attr,
+ &dev_attr_gt_min_freq_mhz.attr,
+ NULL,
+};
+
void i915_setup_sysfs(struct drm_device *dev)
{
int ret;
if (ret)
DRM_ERROR("l3 parity sysfs setup failed\n");
}
+
+ if (INTEL_INFO(dev)->gen >= 6) {
+ ret = sysfs_create_files(&dev->primary->kdev.kobj, gen6_attrs);
+ if (ret)
+ DRM_ERROR("gen6 sysfs setup failed\n");
+ }
}
void i915_teardown_sysfs(struct drm_device *dev)
{
+ sysfs_remove_files(&dev->primary->kdev.kobj, gen6_attrs);
device_remove_bin_file(&dev->primary->kdev, &dpf_attrs);
sysfs_unmerge_group(&dev->primary->kdev.kobj, &rc6_attr_group);
}