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a29f28eba9
As drm_open_any() now quietly fails if there is no driver, this
nullifies the effectiviness of using gem_exec_nop as the test for a good
reload. Combine with gem_alive (and guarantee that gem_alive can detect
a dead driver, putting lie to
commit 032f30cb38bb03562ee7fde19cd278b1d8ac31a9
Author: Thomas Wood <thomas.wood@intel.com>
Date: Tue Jan 13 13:33:57 2015 +0000
lib: remove unnecessary checks on the drm_open_any return value
) first.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88573
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
61 lines
1.3 KiB
Bash
Executable File
61 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Testcase: Reload the drm module
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#
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# ... we've broken this way too often :(
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#
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SOURCE_DIR="$( dirname "${BASH_SOURCE[0]}" )"
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. $SOURCE_DIR/drm_lib.sh
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# no other drm service should be running, so we can just unbind
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# we must kick away fbcon (but only fbcon)
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for vtcon in /sys/class/vtconsole/vtcon*/ ; do
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if grep "frame buffer device" $vtcon/name > /dev/null ; then
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echo unbinding $vtcon: `cat $vtcon/name`
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echo 0 > $vtcon/bind
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fi
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done
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# The sound driver uses our power well
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pkill alsactl
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rmmod snd_hda_intel &> /dev/null
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#ignore errors in ips - gen5 only
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rmmod intel_ips &> /dev/null
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rmmod i915
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#ignore errors in intel-gtt, often built-in
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rmmod intel-gtt &> /dev/null
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# drm may be used by other devices (nouveau, radeon, udl, etc)
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rmmod drm_kms_helper &> /dev/null
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rmmod drm &> /dev/null
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if lsmod | grep i915 &> /dev/null ; then
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echo WARNING: i915.ko still loaded!
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exit 1
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else
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echo module successfully unloaded
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fi
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modprobe i915
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echo 1 > /sys/class/vtconsole/vtcon1/bind
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modprobe snd_hda_intel
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# does the device exist?
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if $SOURCE_DIR/gem_alive > /dev/null ; then
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echo "module successfully loaded again"
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else
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echo "failed to reload module successfully"
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exit 2
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fi
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# then try to run something
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if ! $SOURCE_DIR/gem_exec_nop > /dev/null ; then
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echo "failed to execute a simple batch after reload"
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exit 3
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fi
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exit 0
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