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authorArnaud Patard (Rtp)2021-03-05 11:27:49 +0100
committerAnatolij Gustschin2021-04-10 11:53:36 +0200
commitdecbc18ed2a9788fcaad3ca349def7bad36741f4 (patch)
tree78a7285da79c0bd22dbc6905a37da2b052632d7e /drivers/video/rockchip
parentead61b8f7331ecbe95e0345365a1f1094465b6b4 (diff)
Rockchip: video: vop: Reserve efi fb memory
When booting with EFI and graphics, the memory used for framebuffer has to be reserved, otherwise it may leads to kernel memory overwrite. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Tested-by: Peter Robinson <pbrobinson@gmail.com>
Diffstat (limited to 'drivers/video/rockchip')
-rw-r--r--drivers/video/rockchip/rk_vop.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index 145a34084c5..3eb5e8c25ca 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -21,6 +21,8 @@
#include <asm/arch-rockchip/vop_rk3288.h>
#include <dm/device-internal.h>
#include <dm/uclass-internal.h>
+#include <efi.h>
+#include <efi_loader.h>
#include <linux/bitops.h>
#include <linux/err.h>
#include <power/regulator.h>
@@ -395,6 +397,11 @@ int rk_vop_probe(struct udevice *dev)
if (!(gd->flags & GD_FLG_RELOC))
return 0;
+#if defined(CONFIG_EFI_LOADER)
+ debug("Adding to EFI map %d @ %lx\n", plat->size, plat->base);
+ efi_add_memory_map(plat->base, plat->size, EFI_RESERVED_MEMORY_TYPE);
+#endif
+
priv->regs = (struct rk3288_vop *)dev_read_addr(dev);
/*