+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ DRM_ERROR("failed to alloc mixer context.\n");
+ return -ENOMEM;
+ }
+
+ mutex_init(&ctx->mixer_mutex);
+
+ ctx->manager.type = EXYNOS_DISPLAY_TYPE_HDMI;
+ ctx->manager.ops = &mixer_manager_ops;
+
+ if (dev->of_node) {
+ const struct of_device_id *match;
+
+ match = of_match_node(mixer_match_types, dev->of_node);
+ drv = (struct mixer_drv_data *)match->data;
+ } else {
+ drv = (struct mixer_drv_data *)
+ platform_get_device_id(pdev)->driver_data;
+ }
+
+ ctx->pdev = pdev;
+ ctx->dev = dev;
+ ctx->vp_enabled = drv->is_vp_enabled;
+ ctx->has_sclk = drv->has_sclk;
+ ctx->mxr_ver = drv->version;
+ init_waitqueue_head(&ctx->wait_vsync_queue);
+ atomic_set(&ctx->wait_vsync_event, 0);
+ ctx->manager.ctx = ctx;
+
+ platform_set_drvdata(pdev, ctx);
+