drm: remove drm_file_t, drm_device_t and drm_head_t typedefs

some drivers still todo.

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/sis_drv.c b/drivers/char/drm/sis_drv.c
index 690e0af..1912f58 100644
--- a/drivers/char/drm/sis_drv.c
+++ b/drivers/char/drm/sis_drv.c
@@ -35,7 +35,7 @@
 	sisdrv_PCI_IDS
 };
 
-static int sis_driver_load(drm_device_t *dev, unsigned long chipset)
+static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
 {
 	drm_sis_private_t *dev_priv;
 	int ret;
@@ -54,7 +54,7 @@
 	return ret;
 }
 
-static int sis_driver_unload(drm_device_t *dev)
+static int sis_driver_unload(struct drm_device *dev)
 {
 	drm_sis_private_t *dev_priv = dev->dev_private;