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-rw-r--r--drivers/firmware/efi/arm-init.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c
index ac95dd8b119f..7a3318dd4319 100644
--- a/drivers/firmware/efi/arm-init.c
+++ b/drivers/firmware/efi/arm-init.c
@@ -19,6 +19,7 @@
#include <linux/mm_types.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
+#include <linux/platform_device.h>
#include <linux/screen_info.h>
#include <asm/efi.h>
@@ -78,6 +79,10 @@ static void __init init_screen_info(void)
screen_info.orig_video_cols = 80;
screen_info.orig_video_lines = 25;
}
+
+ if (screen_info.orig_video_isVGA == VIDEO_TYPE_EFI &&
+ memblock_is_map_memory(screen_info.lfb_base))
+ memblock_mark_nomap(screen_info.lfb_base, screen_info.lfb_size);
}
static int __init uefi_init(void)
@@ -256,3 +261,16 @@ void __init efi_init(void)
init_screen_info();
}
+
+static int __init register_gop_device(void)
+{
+ void *pd;
+
+ if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
+ return 0;
+
+ pd = platform_device_register_data(NULL, "efi-framebuffer", 0,
+ &screen_info, sizeof(screen_info));
+ return PTR_ERR_OR_ZERO(pd);
+}
+subsys_initcall(register_gop_device);