Differences

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--- kodi:kodi-nuc [2024/05/05 23:06] – Wuff
+++ kodi:kodi-nuc [2026/07/29 15:01] (current) – [Boot without connected TV / AVR] Wuff
@@ Line 28: / Line 28: @@
 <code>
 sudo apt-get update
-sudo apt-get install software-properties-common xorg xserver-xorg-legacy alsa-utils mesa-utils git-core librtmp1 libmad0 lm-sensors libmpeg2-4 avahi-daemon libnfs13 libva2 vainfo i965-va-driver linux-firmware dbus-x11 openbox pastebinit xserver-xorg-video-intel alsa
+sudo apt-get install software-properties-common xorg xserver-xorg-legacy alsa-utils mesa-utils git-core librtmp1 libmad0 lm-sensors libmpeg2-4 avahi-daemon libnfs13 libva2 vainfo i965-va-driver-shaders linux-firmware dbus-x11 openbox pastebinit xserver-xorg-video-intel alsa
 sudo apt-get dist-upgrade
 </code>
@@ Line 319: / Line 319: @@
 NOTE: Kernel 4.4+ is required or audio EDID information won't be copied. Verify with <code>uname -a</code>
-First find the connected port (HDMI/Displayport):
+First find the connected port (HDMI/DP). All available ports are in the drm folder, check the status of each port until you find the correct 'connected' one:
 <code>
 ls -la /sys/class/drm
-cat /sys/class/drm/card0-DP-1/status
+cat /sys/class/drm/card0-HDMI-A-1/status
 connected
 </code>
-edit /etc/default/grub and adjust the GRUB_CMDLINE_LINUX_DEFAULT with your port details and desired display resolution and refresh rate. Add D directly after the refresh rate for Digital output! Note the port info here does not start with "card0-"
+edit /etc/default/grub and adjust the GRUB_CMDLINE_LINUX_DEFAULT with your port details and desired display resolution and refresh rate. Add e directly after the refresh rate for Digital output! Note the port info here does not start with "card0-"
 <code>
-GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=HDMI-A-1:1920x1080@50D drm_kms_helper.edid_firmware=HDMI-A-1:edid/edid.bin"
+GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=HDMI-A-1:3840x2160@30e drm.edid_firmware=HDMI-A-1:edid/edid.bin"
 </code>
 Make sure the system was booted connected to the AVR/TV and everything is working. Then proceed to copy the EDID:
 <code>
-sudo mkdir -p /lib/firmware/edid
+sudo mkdir -p /usr/lib/firmware/edid
-sudo cp /sys/class/drm/card0-HDMI-A-1/edid /lib/firmware/edid/edid.bin
+sudo cp /sys/class/drm/card0-HDMI-A-1/edid /usr/lib/firmware/edid/edid.bin
 </code>
@@ Line 341: / Line 341: @@
 <code bash /etc/initramfs-tools/hooks/include-edid-data>
 #!/bin/sh
 PREREQ="udev"
-prereqs()
+prereqs() { echo "$PREREQ"; }
-{
-   echo "$PREREQ"
-}
 case $1 in
-prereqs)
+    prereqs) prereqs; exit 0 ;;
-   prereqs
-   exit 0
-   ;;
 esac
 . /usr/share/initramfs-tools/hook-functions
-# Begin real processing below this line
-if [ ! -e "${DESTDIR}/lib/firmware/edid" ]; then
+# Ensure directory exists inside initramfs root
-    mkdir -p "${DESTDIR}/lib/firmware/edid"
+if [ ! -e "${DESTDIR}/usr/lib/firmware/edid" ]; then
+    mkdir -p "${DESTDIR}/usr/lib/firmware/edid"
 fi
-if [ -r "/lib/firmware/edid/edid.bin" ]; then
+# Copy the file to the correct standard location
-   cp "/lib/firmware/edid/edid.bin" "${DESTDIR}/lib/firmware/edid/"
+if [ -r "/usr/lib/firmware/edid/edid.bin" ]; then
+   cp "/usr/lib/firmware/edid/edid.bin" "${DESTDIR}/usr/lib/firmware/edid/"
 fi
-manual_add_modules i915 radeon
+# Ensure graphics drivers load early enough to see the EDID
+manual_add_modules i915 radeon amdgpu
 exit 0
 </code>