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LoongArch: Fix reserving screen info memory for above-4G firmware

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[ Upstream commit 55dc2f8f263448f1e6c7ef135d08e640d5a4826e ]

Since screen_info.lfb_base is a __u32 type, an above-4G address need an
ext_lfb_base to present its higher 32bits. In init_screen_info() we can
use __screen_info_lfb_base() to handle this case for reserving screen
info memory.

Signed-off-by: Xuefeng Zhao <zhaoxuefeng@loongson.cn>
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Tianyang Zhang <zhangtianyang@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Huacai Chen
2024-12-02 16:42:07 +08:00
committed by Greg Kroah-Hartman
parent ca5995f805
commit 45d7745c89
1 changed files with 1 additions and 1 deletions
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arch/loongarch/kernel/efi.c
+1 -1
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@@ -95,7 +95,7 @@ static void __init init_screen_info(void)
memset(si, 0, sizeof(*si));
early_memunmap(si, sizeof(*si));
memblock_reserve(screen_info.lfb_base, screen_info.lfb_size);
memblock_reserve(__screen_info_lfb_base(&screen_info), screen_info.lfb_size);
}
void __init efi_init(void)