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Rockchip: video: vop: Reserve efi fb memory

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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>
This commit is contained in:
Arnaud Patard (Rtp) 2021-03-05 11:27:49 +01:00 committed by Anatolij Gustschin
parent ead61b8f73
commit decbc18ed2
1 changed files with 7 additions and 0 deletions
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7
drivers/video/rockchip/rk_vop.c
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@ -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);
/*