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| author | Simon Glass <sjg@chromium.org> | 2015-08-04 12:34:04 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-08-05 08:44:08 -0600 |
| commit | ad11dbff741ffa6587f6f06a13872ffc3cc15846 (patch) | |
| tree | c02465425a1921926cb4badbe4f64de5c65f3c29 /drivers/video | |
| parent | eeae5100071465f67d203dd78ceb5a35de1b5717 (diff) | |
| download | talos-obmc-uboot-ad11dbff741ffa6587f6f06a13872ffc3cc15846.tar.gz talos-obmc-uboot-ad11dbff741ffa6587f6f06a13872ffc3cc15846.zip | |
x86: Gracefully disable the vesa driver when running from EFI
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>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/vesa_fb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/vesa_fb.c b/drivers/video/vesa_fb.c index 909f8e8091..4e6d070a5f 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) { |
