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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-11-10 15:19:19 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-11-10 16:21:17 +0000 |
| commit | 9511ce1ce7299029acc985ce5f96a1e2e703f084 (patch) | |
| tree | b6061705d78c2da11d42c9930302e17ea3cc3bf2 /drivers/gpu/drm/i915/selftests | |
| parent | 30b29406d9374989f34bce0eadaa630813049808 (diff) | |
| download | op-kernel-dev-9511ce1ce7299029acc985ce5f96a1e2e703f084.zip op-kernel-dev-9511ce1ce7299029acc985ce5f96a1e2e703f084.tar.gz | |
drm/i915/selftests: Initialise mock_i915->mm.obj_lock
lockdep spotted that the mock tests were using the i915->mm.obj_lock
without first initialiasing it:
>[ 1303.217043] [IGT] drv_selftest: starting subtest mock_objects
<4>[ 1303.240898] Setting dangerous option mock_selftests - tainting kernel
<6>[ 1303.253665] i915: Performing mock selftests with st_random_seed=0xd87ea6c6 st_timeout=1000
<4>[ 1303.254812] INFO: trying to register non-static key.
<4>[ 1303.254816] the code is fine but needs lockdep annotation.
<4>[ 1303.254818] turning off the locking correctness validator.
<4>[ 1303.254820] CPU: 4 PID: 13112 Comm: drv_selftest Tainted: G U W 4.14.0-rc8-CI-Patchwork_7058+ #1
<4>[ 1303.254823] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12 02/15/2016
<4>[ 1303.254825] Call Trace:
<4>[ 1303.254829] dump_stack+0x68/0x9f
<4>[ 1303.254832] register_lock_class+0x3fd/0x580
<4>[ 1303.254835] ? ___slab_alloc.constprop.29+0x157/0x3d0
<4>[ 1303.254837] ? ___slab_alloc.constprop.29+0x157/0x3d0
<4>[ 1303.254840] ? sg_kmalloc+0x1e/0x50
<4>[ 1303.254842] ? debug_smp_processor_id+0x17/0x20
<4>[ 1303.254845] __lock_acquire+0xa4/0x1b00
<4>[ 1303.254884] ? __i915_gem_object_set_pages+0x116/0x1f0 [i915]
<4>[ 1303.254887] ? __this_cpu_preempt_check+0x13/0x20
<4>[ 1303.254889] ? sg_kmalloc+0x1e/0x50
<4>[ 1303.254891] lock_acquire+0xb0/0x200
<4>[ 1303.254893] ? lock_acquire+0xb0/0x200
<4>[ 1303.254917] ? __i915_gem_object_set_pages+0x116/0x1f0 [i915]
<4>[ 1303.254920] _raw_spin_lock+0x32/0x50
<4>[ 1303.254944] ? __i915_gem_object_set_pages+0x116/0x1f0 [i915]
<4>[ 1303.254967] __i915_gem_object_set_pages+0x116/0x1f0 [i915]
<4>[ 1303.254991] i915_gem_object_get_pages_phys+0x286/0x2b0 [i915]
<4>[ 1303.255015] ____i915_gem_object_get_pages+0x20/0x60 [i915]
<4>[ 1303.255039] i915_gem_object_attach_phys+0x137/0x1a0 [i915]
<4>[ 1303.255063] igt_phys_object+0x45/0x120 [i915]
<4>[ 1303.255094] __i915_subtests+0x40/0xd0 [i915]
<4>[ 1303.255099] ? work_on_cpu_safe+0x60/0x60
<4>[ 1303.255131] i915_gem_object_mock_selftests+0x34/0x50 [i915]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171110151919.18451-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/selftests')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_gem_device.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 04eb936..d2bf272 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -180,6 +180,7 @@ struct drm_i915_private *mock_gem_device(void) I915_GTT_PAGE_SIZE_2M; spin_lock_init(&i915->mm.object_stat_lock); + spin_lock_init(&i915->mm.obj_lock); mock_uncore_init(i915); init_waitqueue_head(&i915->gpu_error.wait_queue); |
