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authorChris Wilson <chris@chris-wilson.co.uk>2016-10-28 13:58:32 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2016-10-28 20:53:45 +0100
commit4c7d62c6b8a2b4e2300d977644e78b25a2d5f4d0 (patch)
treed7dd15a7872af1d87c39211beb92142e841bddb4 /drivers/gpu/drm/i915/i915_gem_evict.c
parent4e50f082ac51c95046a8315612ce1d9acb2b3d63 (diff)
downloadtalos-obmc-linux-4c7d62c6b8a2b4e2300d977644e78b25a2d5f4d0.tar.gz
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drm/i915: Markup GEM API with lockdep asserts
Add lockdep_assert_held(struct_mutex) to the API preamble of the internal GEM interfaces. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161028125858.23563-9-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_evict.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_evict.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index a934f372c5ce..79b964152cd9 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -103,6 +103,7 @@ i915_gem_evict_something(struct i915_address_space *vm,
struct i915_vma *vma, *next;
int ret;
+ lockdep_assert_held(&vm->dev->struct_mutex);
trace_i915_gem_evict(vm, min_size, alignment, flags);
/*
@@ -213,6 +214,8 @@ i915_gem_evict_for_vma(struct i915_vma *target)
{
struct drm_mm_node *node, *next;
+ lockdep_assert_held(&target->vm->dev->struct_mutex);
+
list_for_each_entry_safe(node, next,
&target->vm->mm.head_node.node_list,
node_list) {
@@ -266,7 +269,7 @@ 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));
+ lockdep_assert_held(&vm->dev->struct_mutex);
trace_i915_gem_evict_vm(vm);
if (do_idle) {
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