1 files changed, 158 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/dal/topology/tm_display_path_set.c b/drivers/gpu/drm/amd/dal/topology/tm_display_path_set.c
new file mode 100644
index 000000000000..841912d58c7d
--- /dev/null
+++ b/drivers/gpu/drm/amd/dal/topology/tm_display_path_set.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#include "dal_services.h"
+
+#include "include/vector.h"
+
+#include "include/display_path_set_interface.h"
+#include "tm_utils.h"
+#include "tm_internal_types.h"
+
+struct display_path_set {
+	struct dal_context *dal_context;
+	struct vector *display_paths;
+};
+
+DAL_VECTOR_APPEND(display_path_set, struct display_path **);
+DAL_VECTOR_AT_INDEX(display_path_set, struct display_path **);
+
+static bool dps_construct(struct display_path_set *dps,
+		struct display_path_set_init_data *init_data)
+{
+	struct dal_context *dal_context = init_data->dal_context;
+	uint32_t display_path_num = init_data->display_path_num;
+
+	dps->display_paths = dal_vector_create(display_path_num,
+			sizeof(struct display_path *));
+
+	if (NULL == dps->display_paths) {
+		TM_ERROR("%s: failed to allocate storage for %d paths!\n",
+				__func__, display_path_num);
+		return false;
+	}
+
+	return true;
+}
+
+struct display_path_set *dal_display_path_set_create(
+		struct display_path_set_init_data *init_data)
+{
+	struct display_path_set *dps;
+	struct dal_context *dal_context = init_data->dal_context;
+
+	dps = dal_alloc(sizeof(*dps));
+
+	if (NULL == dps) {
+		TM_ERROR("%s: failed to allocate Display Pat Set!\n",
+				__func__);
+		return NULL;
+	}
+
+	if (false == dps_construct(dps, init_data)) {
+		dal_free(dps);
+		return NULL;
+	}
+
+	return dps;
+}
+
+static void destruct(struct display_path_set *dps)
+{
+	uint32_t count;
+	uint32_t i;
+
+	count = dal_vector_get_count(dps->display_paths);
+
+	for (i = 0; i < count; ++i) {
+		struct display_path **dp = dal_vector_at_index(
+			dps->display_paths,
+			i);
+		dal_display_path_destroy(dp);
+	}
+	dal_vector_destroy(&dps->display_paths);
+}
+
+void dal_display_path_set_destroy(
+	struct display_path_set **ptr)
+{
+	if (!ptr || !*ptr)
+		return;
+
+	destruct(*ptr);
+
+	dal_free(*ptr);
+	*ptr = NULL;
+}
+
+bool dal_display_path_set_add_path(
+		struct display_path_set *dps,
+		struct display_path *display_path)
+{
+	display_path = dal_display_path_clone(display_path, false);
+	return display_path_set_vector_append(
+		dps->display_paths,
+		&display_path);
+}
+
+struct display_path *dal_display_path_set_path_at_index(
+		struct display_path_set *dps,
+		uint32_t index)
+{
+	struct display_path **display_path =
+		display_path_set_vector_at_index(dps->display_paths, index);
+
+	if (display_path)
+		return *display_path;
+
+	return NULL;
+}
+
+struct display_path *dal_display_path_set_index_to_path(
+		struct display_path_set *dps,
+		uint32_t display_index)
+{
+	uint32_t capacity;
+	uint32_t i;
+	struct display_path *display_path;
+
+	capacity = dal_vector_get_count(dps->display_paths);
+
+	for (i = 0; i < capacity; i++) {
+
+		display_path = *display_path_set_vector_at_index(
+				dps->display_paths, i);
+
+		if (NULL == display_path)
+			continue;
+
+		if (display_index == dal_display_path_get_display_index(
+						display_path)) {
+			/* found it */
+			return display_path;
+		}
+	}
+
+	return NULL;
+}