Hi
On Wed, Sep 12, 2018 at 11:12 AM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> In some setups restoring the BGRT logo is undesirable, allow passing
> video=efifb:nobgrt on the kernel commandline to disable it.
>
> Cc: David Herrmann <dh.herrmann@xxxxxxxxx>
> Reported-by: David Herrmann <dh.herrmann@xxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> drivers/video/fbdev/efifb.c | 6 ++++++
> 1 file changed, 6 insertions(+)
Reviewed-by: David Herrmann <dh.herrmann@xxxxxxxxx>
Thanks a lot!
David
> diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
> index 3946649b85c8..ba906876cc45 100644
> --- a/drivers/video/fbdev/efifb.c
> +++ b/drivers/video/fbdev/efifb.c
> @@ -42,6 +42,7 @@ struct bmp_dib_header {
> u32 colors_important;
> } __packed;
>
> +static bool use_bgrt = true;
> static bool request_mem_succeeded = false;
> static u64 mem_flags = EFI_MEMORY_WC | EFI_MEMORY_UC;
>
> @@ -160,6 +161,9 @@ static void efifb_show_boot_graphics(struct fb_info *info)
> void *bgrt_image = NULL;
> u8 *dst = info->screen_base;
>
> + if (!use_bgrt)
> + return;
> +
> if (!bgrt_tab.image_address) {
> pr_info("efifb: No BGRT, not showing boot graphics\n");
> return;
> @@ -290,6 +294,8 @@ static int efifb_setup(char *options)
> screen_info.lfb_width = simple_strtoul(this_opt+6, NULL, 0);
> else if (!strcmp(this_opt, "nowc"))
> mem_flags &= ~EFI_MEMORY_WC;
> + else if (!strcmp(this_opt, "nobgrt"))
> + use_bgrt = false;
> }
> }
>
> --
> 2.19.0.rc0
>
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