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linux: add custom linux boot logo option

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This patch adds a simple way to change the linux bootup logo.
The patch was kept purposely simple to support only the use cause
where a user needs a color linux boot up logo.

Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[Peter: clarify/reword option/help text, automatically enable framebuffer
	support, fix convert path]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Angelo Compagnucci 2018-08-24 15:44:58 +02:00 committed by Peter Korsgaard
parent 5c29b905f3
commit 551e48a812
2 changed files with 23 additions and 0 deletions
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8
linux/Config.in
View File

@ -188,6 +188,14 @@ config BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES
A space-separated list of kernel configuration fragment files,
that will be merged to the main kernel configuration file.
config BR2_LINUX_KERNEL_CUSTOM_LOGO_PATH
string "Custom boot logo file path"
help
Use a custom Linux framebuffer boot logo.
Custom logo should be in PNG or JPEG format, it will be
converted to the linux kernel format (224 colors only)
and copied over the original logo file.
#
# Binary format
#

15
linux/linux.mk
View File

@ -248,6 +248,17 @@ define LINUX_TRY_PATCH_TIMECONST
endef
LINUX_POST_PATCH_HOOKS += LINUX_TRY_PATCH_TIMECONST
LINUX_KERNEL_CUSTOM_LOGO_PATH = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_LOGO_PATH))
ifneq ($(LINUX_KERNEL_CUSTOM_LOGO_PATH),)
LINUX_DEPENDENCIES += host-imagemagick
define LINUX_KERNEL_CUSTOM_LOGO_CONVERT
$(HOST_DIR)/bin/convert $(LINUX_KERNEL_CUSTOM_LOGO_PATH) \
-dither None -colors 224 -compress none \
$(LINUX_DIR)/drivers/video/logo/logo_linux_clut224.ppm
endef
LINUX_PRE_BUILD_HOOKS += LINUX_KERNEL_CUSTOM_LOGO_CONVERT
endif
ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y)
LINUX_KCONFIG_DEFCONFIG = $(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG))_defconfig
else ifeq ($(BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG),y)
@ -349,6 +360,10 @@ define LINUX_KCONFIG_FIXUP_CMDS
$(call KCONFIG_ENABLE_OPT,CONFIG_ARM_APPENDED_DTB,$(@D)/.config))
$(if $(BR2_PACKAGE_KERNEL_MODULE_IMX_GPU_VIV),
$(call KCONFIG_DISABLE_OPT,CONFIG_MXC_GPU_VIV,$(@D)/.config))
$(if $(LINUX_KERNEL_CUSTOM_LOGO_PATH),
$(call KCONFIG_ENABLE_OPT,CONFIG_FB,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_LOGO,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_LOGO_LINUX_CLUT224,$(@D)/.config))
endef
ifeq ($(BR2_LINUX_KERNEL_DTS_SUPPORT),y)