File 0030-video-sunxi-de2-Reserve-the-fb-regi.patch of Package u-boot-clearfog.25181

From 719f2ac49b6e893c1d6a88956e306d77a906d338 Mon Sep 17 00:00:00 2001
From: Emmanuel Vadot <manu@freebsd.org>
Date: Fri, 4 May 2018 10:26:55 +0200
Subject: [PATCH] video: sunxi: de2: Reserve the fb region in the EFI memory
 map

If compile with support for the efi loader we need to mark the pages
allocated for the framebuffer as reserved so the kernel won't attempt
to use them for other uses.

Signed-off-by: Emmanuel Vadot <manu@freebsd.org>
Acked-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 drivers/video/sunxi/sunxi_de2.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/video/sunxi/sunxi_de2.c b/drivers/video/sunxi/sunxi_de2.c
index 860187323c..563e4b583d 100644
--- a/drivers/video/sunxi/sunxi_de2.c
+++ b/drivers/video/sunxi/sunxi_de2.c
@@ -10,6 +10,7 @@
 #include <display.h>
 #include <dm.h>
 #include <edid.h>
+#include <efi_loader.h>
 #include <fdtdec.h>
 #include <fdt_support.h>
 #include <video.h>
@@ -222,6 +223,13 @@ static int sunxi_de2_init(struct udevice *dev, ulong fbbase,
 	uc_priv->bpix = l2bpp;
 	debug("fb=%lx, size=%d %d\n", fbbase, uc_priv->xsize, uc_priv->ysize);
 
+#ifdef CONFIG_EFI_LOADER
+	efi_add_memory_map(fbbase,
+			   ALIGN(timing.hactive.typ * timing.vactive.typ *
+			   (1 << l2bpp) / 8, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
+			   EFI_RESERVED_MEMORY_TYPE, false);
+#endif
+
 	return 0;
 }