drm/qxl: drop set_prod_notify parameter from qxl_ring_create

Since qxl_io_reset(qdev) will be called immediately
after qxl_ring_create() been called,
and parameter like notify_on_prod will be set to default value.
So the call to qxl_ring_init_hdr() before becomes meaningless.

Signed-off-by: Zongmin Zhou<[e-mail]>
Suggested-by: Ming Xie<[e-mail]>
Link: http://patchwork.freedesktop.org/patch/msgid/[e-mail]
Signed-off-by: Gerd Hoffmann <[e-mail]>

drivers/gpu/drm/qxl/qxl_cmd.c

···
 	kfree(ring);
 }
 
-void qxl_ring_init_hdr(struct qxl_ring *ring)
-{
-	ring->ring->header.notify_on_prod = ring->n_elements;
-}
-
 struct qxl_ring *
 qxl_ring_create(struct qxl_ring_header *header,
 		int element_size,
 		int n_elements,
 		int prod_notify,
-		bool set_prod_notify,
 		wait_queue_head_t *push_event)
 {
 	struct qxl_ring *ring;
···
 	ring->n_elements = n_elements;
 	ring->prod_notify = prod_notify;
 	ring->push_event = push_event;
-	if (set_prod_notify)
-		qxl_ring_init_hdr(ring);
 	spin_lock_init(&ring->lock);
 	return ring;
 }

drivers/gpu/drm/qxl/qxl_drv.h

···
 				 int element_size,
 				 int n_elements,
 				 int prod_notify,
-				 bool set_prod_notify,
 				 wait_queue_head_t *push_event);
 void qxl_ring_free(struct qxl_ring *ring);
-void qxl_ring_init_hdr(struct qxl_ring *ring);
 int qxl_check_idle(struct qxl_ring *ring);
 
 static inline uint64_t

drivers/gpu/drm/qxl/qxl_kms.c

···
 					     sizeof(struct qxl_command),
 					     QXL_COMMAND_RING_SIZE,
 					     qdev->io_base + QXL_IO_NOTIFY_CMD,
-					     false,
 					     &qdev->display_event);
 	if (!qdev->command_ring) {
 		DRM_ERROR("Unable to create command ring\n");
···
 				sizeof(struct qxl_command),
 				QXL_CURSOR_RING_SIZE,
 				qdev->io_base + QXL_IO_NOTIFY_CURSOR,
-				false,
 				&qdev->cursor_event);
 
 	if (!qdev->cursor_ring) {
···
 	qdev->release_ring = qxl_ring_create(
 				&(qdev->ram_header->release_ring_hdr),
 				sizeof(uint64_t),
-				QXL_RELEASE_RING_SIZE, 0, true,
+				QXL_RELEASE_RING_SIZE, 0,
 				NULL);
 
 	if (!qdev->release_ring) {