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Added test description to all the available subtests.
v2: rebase
v3: Minor corrections to descriptions.
Cc: Melkaveri Arjun <arjun.melkaveri@intel.com>
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Signed-off-by: Priyanka Dandamudi <priyanka.dandamudi@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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An mmap _should_ keep the module alive.
This reverts
commit 8abe91985b30f8a26cdcb6816d2393956f171ea5
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Oct 5 14:40:16 2016 +0100
igt/vgem_basic: Allow mmap() to persist without the vgem module loaded
With real drivers there is usually more than just shmem around, so
encoding this as some kind of expectation just doesn't make sense at
all.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Similar to sysfs_path - more explicit more better.
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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To ensure the module exists, first load it. Then when we try to unload
the module (to check that our modprobe interface works), we will not get
spurious failures due to -ENOENT (in this case meaning the module did
not exist):
(vgem_basic:18361) igt-core-DEBUG: Starting subtest: unload
(vgem_basic:18361) igt-kmod-DEBUG: Could not remove module vgem (No such file or directory)
Test requirement not met in function test_unload, file vgem_basic.c:331:
Test requirement: module_unload() == 0
Last errno: 2, No such file or directory
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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vgem is a nasty test case for various parts of the core as it is a
virtual device with drm_device.dev == NULL; this includes drm_setversion
for example.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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As we have libkmod available, it is faster and safer than calling
system().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Since vgem doesn't have any callbacks from shmemfs to its, we don't need
to keep the module around to service a pagefault when only using the
shmemfs facilities. Adjust the test to try to unload and check the mmap
for access.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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We found a bug where a dmabuf did not keep the module alive (and so when
i915 tried to use it later, it exploded).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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To protect the kernel against unscrupulous fence users, fences should
automatically signal after a timeout.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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For fun, debugfs/.../names currently explodes, so lets capture that and
make sure that basic access to debugfs does no harm.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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