1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/staging/cdv/drv/psb_schedule.c b/drivers/staging/cdv/drv/psb_schedule.c
new file mode 100644
index 000000000000..a8bf33bdf8e8
--- /dev/null
+++ b/drivers/staging/cdv/drv/psb_schedule.c
@@ -0,0 +1,51 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
+ **************************************************************************/
+
+#include <drm/drmP.h>
+#include "psb_drm.h"
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "ttm/ttm_execbuf_util.h"
+
+
+static void psb_powerdown_msvdx(struct work_struct *work)
+{
+	struct psb_scheduler *scheduler =
+	    container_of(work, struct psb_scheduler, msvdx_suspend_wq.work);
+
+	if (!mutex_trylock(&scheduler->msvdx_power_mutex))
+		return;
+
+	psb_try_power_down_msvdx(scheduler->dev);
+	mutex_unlock(&scheduler->msvdx_power_mutex);
+}
+
+int psb_scheduler_init(struct drm_device *dev,
+		       struct psb_scheduler *scheduler)
+{
+	memset(scheduler, 0, sizeof(*scheduler));
+	scheduler->dev = dev;
+	mutex_init(&scheduler->msvdx_power_mutex);
+
+	INIT_DELAYED_WORK(&scheduler->msvdx_suspend_wq,
+			  &psb_powerdown_msvdx);
+
+	return 0;
+}
+