DRM_RENDER_ALLOW),
};
+static long xe_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct drm_file *file_priv = file->private_data;
+ struct xe_device *xe = to_xe_device(file_priv->minor->dev);
+ long ret;
+
+ ret = xe_pm_runtime_get_ioctl(xe);
+ if (ret >= 0)
+ ret = drm_ioctl(file, cmd, arg);
+ xe_pm_runtime_put(xe);
+
+ return ret;
+}
+
+#ifdef CONFIG_COMPAT
+static long xe_drm_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct drm_file *file_priv = file->private_data;
+ struct xe_device *xe = to_xe_device(file_priv->minor->dev);
+ long ret;
+
+ ret = xe_pm_runtime_get_ioctl(xe);
+ if (ret >= 0)
+ ret = drm_compat_ioctl(file, cmd, arg);
+ xe_pm_runtime_put(xe);
+
+ return ret;
+}
+#else
+/* similarly to drm_compat_ioctl, let's it be assigned to .compat_ioct unconditionally */
+#define xe_drm_compat_ioctl NULL
+#endif
+
static const struct file_operations xe_driver_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release_noglobal,
- .unlocked_ioctl = drm_ioctl,
+ .unlocked_ioctl = xe_drm_ioctl,
.mmap = drm_gem_mmap,
.poll = drm_poll,
.read = drm_read,
- .compat_ioctl = drm_compat_ioctl,
+ .compat_ioctl = xe_drm_compat_ioctl,
.llseek = noop_llseek,
#ifdef CONFIG_PROC_FS
.show_fdinfo = drm_show_fdinfo,
return pm_runtime_put(xe->drm.dev);
}
+/**
+ * xe_pm_runtime_get_ioctl - Get a runtime_pm reference before ioctl
+ * @xe: xe device instance
+ *
+ * Returns: Any number greater than or equal to 0 for success, negative error
+ * code otherwise.
+ */
+int xe_pm_runtime_get_ioctl(struct xe_device *xe)
+{
+ if (WARN_ON(xe_pm_read_callback_task(xe) == current))
+ return -ELOOP;
+
+ return pm_runtime_get_sync(xe->drm.dev);
+}
+
/**
* xe_pm_runtime_get_if_active - Get a runtime_pm reference if device active
* @xe: xe device instance
int xe_pm_runtime_suspend(struct xe_device *xe);
int xe_pm_runtime_resume(struct xe_device *xe);
int xe_pm_runtime_get(struct xe_device *xe);
+int xe_pm_runtime_get_ioctl(struct xe_device *xe);
int xe_pm_runtime_put(struct xe_device *xe);
int xe_pm_runtime_get_if_active(struct xe_device *xe);
void xe_pm_assert_unbounded_bridge(struct xe_device *xe);