Merge pull request #28 from mariux64/pass-legacy-cards-to-nouveau

Pass legacy cards to nouveau

nvidiactl/nvidiactl

@@ -1,5 +1,17 @@
 #!/bin/bash
 
+set_generic_mxgfx_link () {
+  rm -f /node/usr_share_mxgfx
+  ln -sf /usr/share/mxgfx-generic /node/usr_share_mxgfx
+}
+
+
+if [ -d /sys/module/nouveau ] ; then
+  echo >&2 "NOTE: nouveau driver loaded already, using 'mxgfx-generic'."
+  set_generic_mxgfx_link
+  exit 0
+fi
+
 PCIIDHINT_DIR=/usr/share/nvidia/pciidhints
 
 kver=$(uname -r)
@@ -8,41 +20,37 @@ nvidiacards=( $(lspci -n | grep " 0300: 10de:" | cut -d ' ' -f 3) )
 
 nvver=${nvidiacards[0]}
 
-
 if [ -z ${nvver} ] ; then
-    echo >&2 "WARNING: no nvidia card found.."
-    rm -f /node/usr_share_mxgfx
-    ln -sf /usr/share/mxgfx-generic /node/usr_share_mxgfx
-    exit 0
+  echo >&2 "WARNING: no nvidia card found.."
+  set_generic_mxgfx_link
+  exit 0
 fi
 
 pciids="${PCIIDHINT_DIR}/${kver}-${nvver} ${PCIIDHINT_DIR}/${nvver}"
 
-
-leglvl="current"
-
 for leglvlhint in ${pciids} ; do
-    if [ -h "${leglvlhint}" ] ; then
-        leglvl=$(readlink ${leglvlhint})
-        break
-    fi
+  if [ -h "${leglvlhint}" ] ; then
+    set_generic_mxgfx_link
+    test -e /lib/modules/${kver}/kernel/drivers/gpu/drm/nouveau/nouveau.ko && \
+    echo >&2 "NOTE: legacy nvidia card found, loading nouveau .." && \
+    modprobe nouveau && \
+    exit 0
+
+    echo >&2 "ERROR: nouveau module not available, choose a newer kernel!"
+    exit 1
+  fi
 done
 
-nvlink=/usr/share/nvidia/kernel/${kver}/${leglvl}
+nvlink=/usr/share/nvidia/kernel/${kver}/current
 
 if [ ! -h ${nvlink} ] ; then
-    echo >&2 "WARNING: ${nvlink} is not a link (to nvversion) trying current.."
-    nvlink=/usr/share/nvidia/kernel/${kver}/current
-fi
-
-if [ ! -h ${nvlink} ] ; then
-    echo >&2 "WARNING: ${nvlink} is not a link (to nvversion) .."
-    exit 1
+  echo >&2 "WARNING: ${nvlink} is not a link (to nvversion) .."
+  exit 1
 fi
 
 nvver=$(readlink ${nvlink})
 
-#echo "kver=${kver} leglvl=${leglvl} nvver=${nvver}"
+#echo "kver=${kver} nvver=${nvver}"
 
 # lrwxrwxrwx 1 root system 27 Feb 11 15:39 /node/usr_share_mxgfx -> /usr/share/nvidia/260.19.21
 
@@ -77,4 +85,5 @@ if [ ! -z $N ]; then
   test -e  ${nvlink}/nvidia-modeset.ko && insmod ${nvlink}/nvidia-modeset.ko
   test -e  ${nvlink}/nvidia-drm.ko && insmod ${nvlink}/nvidia-drm.ko
 fi
+
 exit 0