From: Yao Cheng <yao.cheng@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
daniel.vetter@ffwll.ch, sean.v.kelley@intel.com,
john.chehab@intel.com
Cc: emil.l.velikov@gmail.com, fei.jiang@intel.com
Subject: [RFC PATCH v3 4/4] tests/drv_module_reload: add ipvr support
Date: Sat, 22 Nov 2014 03:10:01 +0800 [thread overview]
Message-ID: <1416597001-6097-1-git-send-email-yao.cheng@intel.com> (raw)
on vlv, if ipvr is installed, it need be manually unloaded before
i915, otherwise user might run into use-after-free issue.
v2:
added this patch per Daniel's comment
v3:
no change
Signed-off-by: Yao Cheng <yao.cheng@intel.com>
---
tests/drv_module_reload | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tests/drv_module_reload b/tests/drv_module_reload
index 5cbff89..82c67bd 100755
--- a/tests/drv_module_reload
+++ b/tests/drv_module_reload
@@ -24,6 +24,14 @@ rmmod snd_hda_intel &> /dev/null
#ignore errors in ips - gen5 only
rmmod intel_ips &> /dev/null
+
+# vlv only for now:
+# due to platform device model limitation, need unload ipvr manually
+if lsmod | grep ipvr &> /dev/null ; then
+ echo Need manually unload ipvr.ko.
+ rmmod ipvr
+fi
+
rmmod i915
#ignore errors in intel-gtt, often built-in
rmmod intel-gtt &> /dev/null
@@ -31,6 +39,11 @@ rmmod intel-gtt &> /dev/null
rmmod drm_kms_helper &> /dev/null
rmmod drm &> /dev/null
+if lsmod | grep ipvr &> /dev/null ; then
+ echo WARNING: ipvr.ko still loaded!
+ exit 1
+fi
+
if lsmod | grep i915 &> /dev/null ; then
echo WARNING: i915.ko still loaded!
exit 1
@@ -41,6 +54,9 @@ fi
modprobe i915
echo 1 > /sys/class/vtconsole/vtcon1/bind
+# for vlv, load VED driver
+modprobe ipvr
+
modprobe snd_hda_intel
# try to run something
--
2.1.0
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next reply other threads:[~2014-11-21 19:10 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 19:10 Yao Cheng [this message]
2014-11-21 20:27 ` [RFC PATCH v3 4/4] tests/drv_module_reload: add ipvr support Thierry Reding
2014-11-21 20:36 ` Daniel Vetter
2014-11-24 9:55 ` Thierry Reding
2014-11-24 13:14 ` Daniel Vetter
2014-12-01 3:06 ` Cheng, Yao
2014-12-17 8:13 ` Thierry Reding
2014-12-18 5:44 ` Cheng, Yao
2014-12-18 10:04 ` Thierry Reding
2014-12-18 11:21 ` Daniel Vetter
2014-12-21 14:40 ` Cheng, Yao
2015-01-05 8:39 ` Daniel Vetter
2015-01-06 14:14 ` Cheng, Yao
2015-01-07 7:33 ` Daniel Vetter
2014-12-17 8:02 ` Thierry Reding
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