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drm/i915: Add some extra guards in evict_vm 

v2: Use WARN_ONs (Daniel)

Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hifive-unleashed-5.1
Ben Widawsky 2014-12-23 17:16:04 +00:00 committed by Daniel Vetter
parent 7838a63a53
commit b9b5dce5e7
1 changed files with 3 additions and 0 deletions
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drivers/gpu/drm/i915/i915_gem_evict.c
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@ -214,6 +214,7 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
struct i915_vma *vma, *next;
int ret;
WARN_ON(!mutex_is_locked(&vm->dev->struct_mutex));
trace_i915_gem_evict_vm(vm);
if (do_idle) {
@ -222,6 +223,8 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
return ret;
i915_gem_retire_requests(vm->dev);
WARN_ON(!list_empty(&vm->active_list));
}
list_for_each_entry_safe(vma, next, &vm->inactive_list, mm_list)