We cannot use this driver when running from EFI as we have no direct hardware access. In fact coreboot uses a different driver which uses tables provided by coreboot. So far it does not seem possible to use a normal video driver when booting from EFI.
Signed-off-by: Simon Glass sjg@chromium.org Acked-by: Anatolij Gustschin agust@denx.de Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: - Replace 'Coreboot' with 'coreboot'
drivers/video/vesa_fb.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/video/vesa_fb.c b/drivers/video/vesa_fb.c index 909f8e8..4e6d070 100644 --- a/drivers/video/vesa_fb.c +++ b/drivers/video/vesa_fb.c @@ -24,6 +24,14 @@ void *video_hw_init(void) int ret;
printf("Video: "); + if (!ll_boot_init()) { + /* + * If we are running from EFI or coreboot, this driver can't + * work. + */ + printf("Not available (previous bootloader prevents it)\n"); + return NULL; + } if (vbe_get_video_info(gdev)) { dev = pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, 0); if (dev == -1) {