linux-raspberrypi: Disable bcm2708_fb driver

This driver is built-in so we disable it's init. We need to disable this kernel driver in order to avoid concurrent access to the GPU from both the kernel bcm2708_fb driver and u-boot's simplefb driver. (See raspberrypi/linux#3139) Changelog-entry: Disable bcm2708_fb driver (kernel 4.19.66) so we have working graphics Signed-off-by: Florin Sarbu <[email protected]>
balena-os · Sep 5, 2019 · 75e145b · 75e145b
1 parent 61b5b62
commit 75e145b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/layers/meta-balena-raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend b/layers/meta-balena-raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend
@@ -11,8 +11,8 @@ SRC_URI_append = " \
 "
 
 # Set console accordingly to build type
-DEBUG_CMDLINE = "dwc_otg.lpm_enable=0 console=tty1 console=serial0,115200 rootfstype=ext4 rootwait"
-PRODUCTION_CMDLINE = "dwc_otg.lpm_enable=0 console=null rootfstype=ext4 rootwait vt.global_cursor_default=0"
+DEBUG_CMDLINE = "dwc_otg.lpm_enable=0 console=tty1 console=serial0,115200 rootfstype=ext4 rootwait initcall_blacklist=bcm2708_fb_init"
+PRODUCTION_CMDLINE = "dwc_otg.lpm_enable=0 console=null rootfstype=ext4 rootwait vt.global_cursor_default=0 initcall_blacklist=bcm2708_fb_init"
 CMDLINE = "${@bb.utils.contains('DISTRO_FEATURES','development-image',"${DEBUG_CMDLINE}","${PRODUCTION_CMDLINE}",d)}"
 CMDLINE_DEBUG = ""