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Diffstat (limited to 'drivers/video/meson/simplefb_common.c')
-rw-r--r-- | drivers/video/meson/simplefb_common.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/video/meson/simplefb_common.c b/drivers/video/meson/simplefb_common.c new file mode 100644 index 0000000000..81782326d4 --- /dev/null +++ b/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; +} |