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>
diff --git a/drivers/video/sunxi/sunxi_de2.c b/drivers/video/sunxi/sunxi_de2.c
index a2303db..4ed035d 100644
--- a/drivers/video/sunxi/sunxi_de2.c
+++ b/drivers/video/sunxi/sunxi_de2.c
@@ -9,6 +9,7 @@
#include <display.h>
#include <dm.h>
#include <edid.h>
+#include <efi_loader.h>
#include <fdtdec.h>
#include <fdt_support.h>
#include <video.h>
@@ -221,6 +222,13 @@
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;
}