From ca5eb0c5fb8823a480bd7caecb456407d8098488 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Wed, 11 Apr 2018 22:02:15 -0700 Subject: bios: vesa: Guard setting vesa mode with CONFIG_FRAMEBUFFER_SET_VESA_MODE If CONFIG_FRAMEBUFFER_SET_VESA_MODE is not set, don't switch graphics card to VESA mode. This applies to both native mode and emulator mode of running the VGA BIOS. Signed-off-by: Bin Meng Reviewed-by: Simon Glass --- arch/x86/lib/bios.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/x86/lib/bios.c') diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c index 66d7629a6d..f9092fdc65 100644 --- a/arch/x86/lib/bios.c +++ b/arch/x86/lib/bios.c @@ -185,6 +185,7 @@ static void setup_realmode_idt(void) write_idt_stub((void *)0xffe6e, 0x1a); } +#ifdef CONFIG_FRAMEBUFFER_SET_VESA_MODE static u8 vbe_get_mode_info(struct vbe_mode_info *mi) { u16 buffer_seg; @@ -241,6 +242,7 @@ static void vbe_set_graphics(int vesa_mode, struct vbe_mode_info *mode_info) mode_info->video_mode &= 0x3ff; vbe_set_mode(mode_info); } +#endif /* CONFIG_FRAMEBUFFER_SET_VESA_MODE */ void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode, struct vbe_mode_info *mode_info) @@ -273,8 +275,10 @@ void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode, 0x0); debug("done\n"); +#ifdef CONFIG_FRAMEBUFFER_SET_VESA_MODE if (vesa_mode != -1) vbe_set_graphics(vesa_mode, mode_info); +#endif } asmlinkage int interrupt_handler(u32 intnumber, u32 gsfs, u32 dses, -- cgit v1.2.3