GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/drivers/video/meson/simplefb_common.c

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Common code for Amlogic SimpleFB with pipeline.
+ *
+ * (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be>
+ * (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com>
+ * (C) Copyright 2017 Icenowy Zheng <icenowy@aosc.io>
+ */
+
+#include <fdtdec.h>
+
+int meson_simplefb_fdt_match(void *blob, const char *pipeline)
+{
+	int offset, ret;
+
+	/* Find a prefilled simpefb node, matching out pipeline config */
+	offset = fdt_node_offset_by_compatible(blob, -1,
+					       "amlogic,simple-framebuffer");
+	while (offset >= 0) {
+		ret = fdt_stringlist_search(blob, offset, "amlogic,pipeline",
+					    pipeline);
+		if (ret == 0)
+			break;
+		offset = fdt_node_offset_by_compatible(blob, offset,
+						"amlogic,simple-framebuffer");
+	}
+
+	return offset;
+}