1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c b/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c
new file mode 100644
index 000000000000..f1c9e3fefa86
--- /dev/null
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
+ * Author: James.Qian.Wang <james.qian.wang@arm.com>
+ *
+ */
+#include "komeda_dev.h"
+#include "komeda_kms.h"
+
+static struct drm_private_state *
+komeda_pipeline_atomic_duplicate_state(struct drm_private_obj *obj)
+{
+	struct komeda_pipeline_state *st;
+
+	st = kmemdup(obj->state, sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return NULL;
+
+	st->active_comps = 0;
+
+	__drm_atomic_helper_private_obj_duplicate_state(obj, &st->obj);
+
+	return &st->obj;
+}
+
+static void
+komeda_pipeline_atomic_destroy_state(struct drm_private_obj *obj,
+				     struct drm_private_state *state)
+{
+	kfree(priv_to_pipe_st(state));
+}
+
+static const struct drm_private_state_funcs komeda_pipeline_obj_funcs = {
+	.atomic_duplicate_state	= komeda_pipeline_atomic_duplicate_state,
+	.atomic_destroy_state	= komeda_pipeline_atomic_destroy_state,
+};
+
+static int komeda_pipeline_obj_add(struct komeda_kms_dev *kms,
+				   struct komeda_pipeline *pipe)
+{
+	struct komeda_pipeline_state *st;
+
+	st = kzalloc(sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return -ENOMEM;
+
+	st->pipe = pipe;
+	drm_atomic_private_obj_init(&kms->base, &pipe->obj, &st->obj,
+				    &komeda_pipeline_obj_funcs);
+
+	return 0;
+}
+
+int komeda_kms_add_private_objs(struct komeda_kms_dev *kms,
+				struct komeda_dev *mdev)
+{
+	struct komeda_pipeline *pipe;
+	int i, err;
+
+	for (i = 0; i < mdev->n_pipelines; i++) {
+		pipe = mdev->pipelines[i];
+
+		err = komeda_pipeline_obj_add(kms, pipe);
+		if (err)
+			return err;
+
+		/* Add component */
+	}
+
+	return 0;
+}
+
+void komeda_kms_cleanup_private_objs(struct komeda_dev *mdev)
+{
+	struct komeda_pipeline *pipe;
+	struct komeda_component *c;
+	int i, id;
+
+	for (i = 0; i < mdev->n_pipelines; i++) {
+		pipe = mdev->pipelines[i];
+		dp_for_each_set_bit(id, pipe->avail_comps) {
+			c = komeda_pipeline_get_component(pipe, id);
+
+			drm_atomic_private_obj_fini(&c->obj);
+		}
+		drm_atomic_private_obj_fini(&pipe->obj);
+	}
+}