1 files changed, 4 insertions, 51 deletions

diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index 4ce4f970920b..0f49c4b12772 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -199,24 +199,6 @@ static void hdlcd_irq_uninstall(struct drm_device *drm)
 	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, irq_mask);
 }
 
-static int hdlcd_enable_vblank(struct drm_device *drm, unsigned int crtc)
-{
-	struct hdlcd_drm_private *hdlcd = drm->dev_private;
-	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
-
-	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask | HDLCD_INTERRUPT_VSYNC);
-
-	return 0;
-}
-
-static void hdlcd_disable_vblank(struct drm_device *drm, unsigned int crtc)
-{
-	struct hdlcd_drm_private *hdlcd = drm->dev_private;
-	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
-
-	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask & ~HDLCD_INTERRUPT_VSYNC);
-}
-
 #ifdef CONFIG_DEBUG_FS
 static int hdlcd_show_underrun_count(struct seq_file *m, void *arg)
 {
@@ -257,17 +239,7 @@ static int hdlcd_debugfs_init(struct drm_minor *minor)
 }
 #endif
 
-static const struct file_operations fops = {
-	.owner		= THIS_MODULE,
-	.open		= drm_open,
-	.release	= drm_release,
-	.unlocked_ioctl	= drm_ioctl,
-	.compat_ioctl	= drm_compat_ioctl,
-	.poll		= drm_poll,
-	.read		= drm_read,
-	.llseek		= noop_llseek,
-	.mmap		= drm_gem_cma_mmap,
-};
+DEFINE_DRM_GEM_CMA_FOPS(fops);
 
 static struct drm_driver hdlcd_driver = {
 	.driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM |
@@ -278,9 +250,6 @@ static struct drm_driver hdlcd_driver = {
 	.irq_preinstall = hdlcd_irq_preinstall,
 	.irq_postinstall = hdlcd_irq_postinstall,
 	.irq_uninstall = hdlcd_irq_uninstall,
-	.get_vblank_counter = drm_vblank_no_hw_counter,
-	.enable_vblank = hdlcd_enable_vblank,
-	.disable_vblank = hdlcd_disable_vblank,
 	.gem_free_object_unlocked = drm_gem_cma_free_object,
 	.gem_vm_ops = &drm_gem_cma_vm_ops,
 	.dumb_create = drm_gem_cma_dumb_create,
@@ -423,30 +392,14 @@ static int compare_dev(struct device *dev, void *data)
 
 static int hdlcd_probe(struct platform_device *pdev)
 {
-	struct device_node *port, *ep;
+	struct device_node *port;
 	struct component_match *match = NULL;
 
-	if (!pdev->dev.of_node)
-		return -ENODEV;
-
 	/* there is only one output port inside each device, find it */
-	ep = of_graph_get_next_endpoint(pdev->dev.of_node, NULL);
-	if (!ep)
+	port = of_graph_get_remote_node(pdev->dev.of_node, 0, 0);
+	if (!port)
 		return -ENODEV;
 
-	if (!of_device_is_available(ep)) {
-		of_node_put(ep);
-		return -ENODEV;
-	}
-
-	/* add the remote encoder port as component */
-	port = of_graph_get_remote_port_parent(ep);
-	of_node_put(ep);
-	if (!port || !of_device_is_available(port)) {
-		of_node_put(port);
-		return -EAGAIN;
-	}
-
 	drm_of_component_match_add(&pdev->dev, &match, compare_dev, port);
 	of_node_put(port);