build.sh

@@ -1512,6 +1512,8 @@ EOF
     set_config_line "${MOUNT_POINT}/etc/rc.conf" 'sddm_enable="YES"'
     set_config_line "${MOUNT_POINT}/etc/rc.conf" 'display_manager="sddm"'
     set_config_line "${MOUNT_POINT}/etc/rc.conf" 'clawdie_live_gpu_enable="YES"'
+    set_config_line "${MOUNT_POINT}/etc/rc.conf" 'clawdie_live_gpu_mode="auto"'
+    set_config_line "${MOUNT_POINT}/etc/rc.conf" 'clawdie_live_gpu_nvidia_branch=""'
     set_config_line "${MOUNT_POINT}/etc/rc.conf" 'clawdie_live_wifi_enable="YES"'
     set_config_line "${MOUNT_POINT}/etc/rc.conf" 'clawdie_live_seed_enable="YES"'
     set_config_line "${MOUNT_POINT}/etc/rc.conf" 'clawdie_enable="YES"'
@@ -1552,6 +1554,8 @@ EOF
         acpi_video
     case "${GPU_DRIVER:-}" in
         nvidia-390|nvidia-470|nvidia-590)
+            set_config_line "${MOUNT_POINT}/etc/rc.conf" 'clawdie_live_gpu_mode="nvidia"'
+            set_config_line "${MOUNT_POINT}/etc/rc.conf" "clawdie_live_gpu_nvidia_branch=\"${GPU_DRIVER#nvidia-}\""
             append_rc_list_values "${MOUNT_POINT}/etc/rc.conf" kld_list \
                 nvidia-modeset nvidia
             ;;

live/operator-session/clawdie-live-gpu

@@ -3,6 +3,7 @@
 # Detect display hardware and load a conservative KMS module before SDDM.
 # Prefer integrated/open drivers so hybrid laptops boot the broadest path first;
 # keep NVIDIA proprietary loading opt-in by requiring an installed nvidia.ko.
+# Dedicated NVIDIA-target images can override that preference in rc.conf.
 
 # PROVIDE: clawdie_live_gpu
 # REQUIRE: FILESYSTEMS devfs
@@ -30,6 +31,47 @@ clawdie_live_gpu_display_blocks()
     '
 }
 
+clawdie_live_gpu_nvidia_block()
+{
+    echo "$1" | awk '
+        BEGIN { RS = ""; IGNORECASE = 1 }
+        /(^|[[:space:]])vendor=0x10de([[:space:]]|$)/ { print; exit }
+    '
+}
+
+clawdie_live_gpu_nvidia_device_id()
+{
+    _block=$(clawdie_live_gpu_nvidia_block "$1")
+    [ -n "$_block" ] || return 1
+
+    echo "$_block" | grep -Eo 'chip=0x10de[0-9a-fA-F]+' | head -1 | cut -c11-14
+}
+
+clawdie_live_gpu_nvidia_branch_for_device()
+{
+    _device_id="$1"
+    [ -n "$_device_id" ] || return 1
+
+    _device_num=$(printf '%d' "0x$_device_id" 2>/dev/null || echo "0")
+
+    if [ "$_device_num" -ge 8288 ]; then
+        echo "590"
+        return 0
+    fi
+
+    if [ "$_device_num" -ge 4928 ] && [ "$_device_num" -le 8582 ]; then
+        echo "470"
+        return 0
+    fi
+
+    if [ "$_device_num" -ge 4480 ] && [ "$_device_num" -le 5100 ]; then
+        echo "390"
+        return 0
+    fi
+
+    echo "590"
+}
+
 clawdie_live_gpu_has_pci_vendor()
 {
     _blocks="$1"
@@ -48,6 +90,35 @@ clawdie_live_gpu_has_pci_vendor()
 clawdie_live_gpu_select_modules()
 {
     _blocks="$1"
+    _mode="${clawdie_live_gpu_mode:-auto}"
+    _nvidia_branch="${clawdie_live_gpu_nvidia_branch:-}"
+
+    if [ "$_mode" = "safe" ]; then
+        clawdie_live_gpu_log "safe graphics mode requested; skipping KMS modules"
+        return 0
+    fi
+
+    if clawdie_live_gpu_has_pci_vendor "$_blocks" "0x10de"; then
+        _device_id=$(clawdie_live_gpu_nvidia_device_id "$_blocks" || true)
+        _detected_branch=""
+        if [ -n "$_device_id" ]; then
+            _detected_branch=$(clawdie_live_gpu_nvidia_branch_for_device "$_device_id" || true)
+            clawdie_live_gpu_log "detected NVIDIA device id: ${_device_id} (recommended branch: ${_detected_branch:-unknown})"
+        fi
+
+        if [ -e /boot/modules/nvidia.ko ]; then
+            if [ -n "$_nvidia_branch" ] && [ -n "$_detected_branch" ] && [ "$_nvidia_branch" != "$_detected_branch" ]; then
+                clawdie_live_gpu_log "WARN: staged NVIDIA branch ${_nvidia_branch} does not match detected device recommendation ${_detected_branch}; skipping proprietary load"
+            elif [ "$_mode" = "nvidia" ]; then
+                echo "nvidia-modeset nvidia"
+                return 0
+            fi
+        elif [ "$_mode" = "nvidia" ]; then
+            clawdie_live_gpu_log "WARN: NVIDIA mode requested but /boot/modules/nvidia.ko is missing"
+        fi
+    elif [ "$_mode" = "nvidia" ]; then
+        clawdie_live_gpu_log "WARN: NVIDIA mode requested but no NVIDIA display device was detected"
+    fi
 
     # Hybrid laptops often expose Intel or AMD integrated graphics plus a
     # discrete NVIDIA GPU. Prefer the integrated/open KMS path for live boot.
@@ -70,9 +141,7 @@ clawdie_live_gpu_select_modules()
 
     if clawdie_live_gpu_has_pci_vendor "$_blocks" "0x10de"; then
         # NVIDIA packages are bundled in the offline repo, but the live image
-        # does not install a branch-specific NVIDIA kmod by default because the
-        # 390/470/current branches conflict. Only load NVIDIA if an operator or
-        # future build profile has installed a concrete branch into the rootfs.
+        # only loads a concrete branch when one was explicitly staged.
         if [ -e /boot/modules/nvidia.ko ]; then
             echo "nvidia-modeset nvidia"
         fi
@@ -130,5 +199,7 @@ clawdie_live_gpu_start()
 
 load_rc_config "$name"
 : ${clawdie_live_gpu_enable:="NO"}
+: ${clawdie_live_gpu_mode:="auto"}
+: ${clawdie_live_gpu_nvidia_branch:=""}
 
 run_rc_command "$1"