Add support for this to EFI in case it becomes useful. At present it just slows things down. Enable CONFIG_VIDEO_COPY to turn it on.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/x86/dts/efi-x86_app.dts | 1 + drivers/video/efi.c | 11 +++++++++++ 2 files changed, 12 insertions(+)
diff --git a/arch/x86/dts/efi-x86_app.dts b/arch/x86/dts/efi-x86_app.dts index a5316e2a1a7..7afa3d72d57 100644 --- a/arch/x86/dts/efi-x86_app.dts +++ b/arch/x86/dts/efi-x86_app.dts @@ -27,6 +27,7 @@ }; efi-fb { compatible = "efi-fb"; + u-boot,dm-pre-reloc; };
}; diff --git a/drivers/video/efi.c b/drivers/video/efi.c index 169637c2882..9135a8e8187 100644 --- a/drivers/video/efi.c +++ b/drivers/video/efi.c @@ -207,6 +207,16 @@ err: return ret; }
+static int efi_video_bind(struct udevice *dev) +{ + struct video_uc_plat *plat = dev_get_uclass_plat(dev); + + /* Use a 16MB frame buffer in case VIDEO_COPY is enabled */ + plat->copy_size = 16 << 20; + + return 0; +} + static const struct udevice_id efi_video_ids[] = { { .compatible = "efi-fb" }, { } @@ -216,5 +226,6 @@ U_BOOT_DRIVER(efi_video) = { .name = "efi_video", .id = UCLASS_VIDEO, .of_match = efi_video_ids, + .bind = efi_video_bind, .probe = efi_video_probe, };