From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Date: Wed, 12 Sep 2018 09:12:35 +0000 Subject: [PATCH] efifb: BGRT: Add nobgrt option Message-Id: <20180912091235.20473-1-hdegoede@redhat.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: Bartlomiej Zolnierkiewicz Cc: Hans de Goede , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org In some setups restoring the BGRT logo is undesirable, allow passing video=EFifb:nobgrt on the kernel commandline to disable it. Cc: David Herrmann Reported-by: David Herrmann Signed-off-by: Hans de Goede --- drivers/video/fbdev/efifb.c | 6 ++++++ 1 file changed, 6 insertions(+) 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; =20 +static bool use_bgrt =3D true; static bool request_mem_succeeded =3D false; static u64 mem_flags =3D EFI_MEMORY_WC | EFI_MEMORY_UC; =20 @@ -160,6 +161,9 @@ static void efifb_show_boot_graphics(struct fb_info *in= fo) void *bgrt_image =3D NULL; u8 *dst =3D info->screen_base; =20 + 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 =3D simple_strtoul(this_opt+6, NULL, 0); else if (!strcmp(this_opt, "nowc")) mem_flags &=3D ~EFI_MEMORY_WC; + else if (!strcmp(this_opt, "nobgrt")) + use_bgrt =3D false; } } =20 --=20 2.19.0.rc0