diff options
Diffstat (limited to 'arch/x86/lib/bios.c')
| -rw-r--r-- | arch/x86/lib/bios.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c index d1f8933..1d75cfc 100644 --- a/arch/x86/lib/bios.c +++ b/arch/x86/lib/bios.c @@ -207,12 +207,14 @@ static u8 vbe_get_mode_info(struct vbe_mode_info *mi) static u8 vbe_set_mode(struct vbe_mode_info *mi) { - debug("VBE: Setting VESA mode %#04x\n", mi->video_mode); + int video_mode = mi->video_mode; + + debug("VBE: Setting VESA mode %#04x\n", video_mode); /* request linear framebuffer mode */ - mi->video_mode |= (1 << 14); - /* request clearing of framebuffer */ - mi->video_mode &= ~(1 << 15); - realmode_interrupt(0x10, VESA_SET_MODE, mi->video_mode, + video_mode |= (1 << 14); + /* don't clear the framebuffer, we do that later */ + video_mode |= (1 << 15); + realmode_interrupt(0x10, VESA_SET_MODE, video_mode, 0x0000, 0x0000, 0x0000, 0x0000); return 0; @@ -236,6 +238,7 @@ static void vbe_set_graphics(int vesa_mode, struct vbe_mode_info *mode_info) return; } + mode_info->video_mode &= 0x3ff; vbe_set_mode(mode_info); } @@ -262,7 +265,6 @@ void bios_run_on_x86(pci_dev_t pcidev, unsigned long addr, int vesa_mode, /* Make sure the code is placed. */ setup_realmode_code(); - disable_caches(); debug("Calling Option ROM at %lx, pci device %#x...", addr, num_dev); /* Option ROM entry point is at OPROM start + 3 */ |