tests/drm_lib.sh

   1 #!/bin/sh
   2 die() {
   3         echo "$@"
   4         exit 1
   5 }
   6
   7 if [ -d /debug/dri ] ; then
   8         debugfs_path=/debug/dri
   9 fi
  10
  11 if [ -d /sys/kernel/debug/dri ] ; then
  12         debugfs_path=/sys/kernel/debug/dri
  13 fi
  14
  15 i915_dfs_path=x
  16 for dir in `ls $debugfs_path` ; do
  17         if [ -f $debugfs_path/$dir/i915_error_state ] ; then
  18                 i915_dfs_path=$debugfs_path/$dir
  19                 break
  20         fi
  21 done
  22
  23 if [ $i915_dfs_path = "x" ] ; then
  24         die " i915 debugfs path not found."
  25 fi
  26
  27 # read everything we can
  28 if [ `cat $i915_dfs_path/clients | wc -l` -gt "2" ] ; then
  29         die "ERROR: other drm clients running"
  30 fi
  31
  32 if [ -d /sys/class/drm ] ; then
  33     sysfs_path=/sys/class/drm
  34 fi
  35
  36 i915_sfs_path=x
  37 for dir in `ls $sysfs_path` ; do
  38     if [ -f $sysfs_path/$dir/error_state ] ; then
  39         i915_sfs_path=$sysfs_path/$dir
  40         break
  41     fi
  42 done
  43
  44 if [ $i915_sfs_path = "x" ] ; then
  45     die " i915 sysfs path not found."
  46 fi
  47