run udevadm trigger for graphics for plymouth in pre-trigger hook

dracut

@@ -96,7 +96,7 @@ if [[ -f $outfile && ! $force ]]; then
     exit 1
 fi
 
-hookdirs="cmdline pre-udev netroot pre-mount pre-pivot mount emergency"
+hookdirs="cmdline pre-udev pre-trigger netroot pre-mount pre-pivot mount emergency"
 
 readonly initdir=$(mktemp -d -t initramfs.XXXXXX)
 trap 'rm -rf "$initdir"' 0 # clean up after ourselves no matter how we die.

modules.d/50plymouth/63-luks.rules

@@ -8,6 +8,6 @@ SUBSYSTEM!="block", GOTO="luks_end"
 ACTION!="add|change", GOTO="luks_end"
 
 KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode"
-ENV{ID_FS_TYPE}=="crypto_LUKS", RUN+="cryptroot-ask $env{DEVNAME} luks-$env{ID_FS_UUID}"
+ENV{ID_FS_TYPE}=="crypto_LUKS", RUN+="/sbin/cryptroot-ask $env{DEVNAME} luks-$env{ID_FS_UUID}"
 
 LABEL="luks_end"

modules.d/50plymouth/install

@@ -2,6 +2,7 @@
 . "$moddir"/plymouth-populate-initrd
 inst_hook pre-udev 10 "$moddir"/plymouth-prep.sh
 inst_hook pre-pivot 90 "$moddir"/plymouth-newroot.sh
+inst_hook pre-trigger 10 "$moddir"/plymouth-pretrigger.sh
 inst_hook emergency 50 "$moddir"/plymouth-emergency.sh
 inst "$moddir"/cryptroot-ask.sh /sbin/cryptroot-ask
 # Include KMS capable drm drivers
@@ -10,4 +11,4 @@ for modname in `find "/lib/modules/$kernel/kernel/drivers/gpu/drm" -name '*.ko'`
     instmods $modname
   fi
 done
-inst_rules "$moddir/52-plymouth-start.rules"
+#inst_rules "$moddir/52-plymouth-start.rules"

modules.d/50plymouth/plymouth-pretrigger.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# first trigger graphics subsystem
+udevadm trigger --subsystem-match=graphics >/dev/null 2>&1
+udevadm settle --timeout=30 >/dev/null 2>&1
+/bin/plymouth --show-splash
+

modules.d/99base/init

@@ -70,6 +70,10 @@ source_all pre-udev
 udevd --daemon
 getarg rdudevinfo && udevadm control --log_priority=info
 getarg rdudevdebug && udevadm control --log_priority=debug
+
+source_all pre-trigger
+
+# then the rest
 udevadm trigger >/dev/null 2>&1
 udevadm settle --timeout=30 >/dev/null 2>&1