Merge tag 'video-next-20211228' of https://source.denx.de/u-boot/custodians/u-boot-video into next

- various fixes to the sandbox display support
- support for showing a logo without splash screen config
- support for BMP drawing to depths other than 16bpp
- tests for the different types of supported BMP images
- support showing a logo when running coreboot via qemu

scripts/Makefile.lib

@@ -374,6 +374,27 @@ cmd_S_ttf=						\
 $(obj)/%.S: $(src)/%.ttf
 	$(call cmd,S_ttf)
 
+# Splash logos
+# ---------------------------------------------------------------------------
+
+# Generate an assembly file to wrap the splash data
+quiet_cmd_S_splash= TTF     $@
+# Modified for U-Boot
+cmd_S_splash=						\
+(							\
+	echo '.section .rodata.splash.init,"a"';		\
+	echo '.balign 16';				\
+	echo '.global __splash_$(*F)_begin';		\
+	echo '__splash_$(*F)_begin:';			\
+	echo '.incbin "$<" ';				\
+	echo '__splash_$(*F)_end:';			\
+	echo '.global __splash_$(*F)_end';			\
+	echo '.balign 16';				\
+) > $@
+
+$(obj)/%.S: $(src)/%.bmp
+	$(call cmd,S_splash)
+
 # EFI applications
 # A Makefile target *.efi is built as EFI application.
 # A Makefile target *_efi.S wraps *.efi as built-in EFI application.

scripts/build-cb.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Sample script to build a disk image suitable for use with coreboot. The image
+# includes a kernel and initrd.
+#
+# YOU WILL NEED to modify this for your needs, e.g. select a kernel.
+#
+# Run this with:
+# qemu-system-i386 -bios coreboot.rom -drive file=disk.img,if=virtio
+
+qemu-img create -f raw disk.img 120M
+mkfs.ext2 -F disk.img
+sudo mkdir -p /mnt/rootfs
+sudo mount -o loop disk.img /mnt/rootfs
+sudo mkdir -p /mnt/rootfs/boot
+sudo cp /boot/vmlinuz /mnt/rootfs/boot/.
+sudo cp /boot/initrd.img /mnt/rootfs/boot/.
+sudo umount /mnt/rootfs

scripts/config_whitelist.txt

@@ -2127,7 +2127,6 @@ CONFIG_VERY_BIG_RAM
 CONFIG_VIDEO_BCM2835
 CONFIG_VIDEO_BMP_LOGO
 CONFIG_VIDEO_DA8XX
-CONFIG_VIDEO_LOGO
 CONFIG_VSC7385_ENET
 CONFIG_VSC7385_IMAGE
 CONFIG_VSC7385_IMAGE_SIZE