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authorChris Wilson <chris@chris-wilson.co.uk>2019-10-22 15:45:01 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2019-10-22 16:23:32 +0100
commit7867d709959927e5df04a34f98880e5e394b411d (patch)
tree38b8288f94cb550a6e40514e3cc8ac464ddf01a6 /drivers/gpu/drm/i915/gem/selftests/huge_pages.c
parenta201b00e5248bb6882ff7ed9e488c999019e729a (diff)
drm/i915/gem: Distinguish each object type
Separate each object class into a separate lock type to avoid lockdep cross-contamination between paths (i.e. userptr!). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191022144501.26486-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gem/selftests/huge_pages.c')
-rw-r--r--drivers/gpu/drm/i915/gem/selftests/huge_pages.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index f27772f6779a..dac8344507c1 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -149,6 +149,7 @@ huge_pages_object(struct drm_i915_private *i915,
u64 size,
unsigned int page_mask)
{
+ static struct lock_class_key lock_class;
struct drm_i915_gem_object *obj;
GEM_BUG_ON(!size);
@@ -165,7 +166,7 @@ huge_pages_object(struct drm_i915_private *i915,
return ERR_PTR(-ENOMEM);
drm_gem_private_object_init(&i915->drm, &obj->base, size);
- i915_gem_object_init(obj, &huge_page_ops);
+ i915_gem_object_init(obj, &huge_page_ops, &lock_class);
i915_gem_object_set_volatile(obj);
@@ -295,6 +296,7 @@ static const struct drm_i915_gem_object_ops fake_ops_single = {
static struct drm_i915_gem_object *
fake_huge_pages_object(struct drm_i915_private *i915, u64 size, bool single)
{
+ static struct lock_class_key lock_class;
struct drm_i915_gem_object *obj;
GEM_BUG_ON(!size);
@@ -313,9 +315,9 @@ fake_huge_pages_object(struct drm_i915_private *i915, u64 size, bool single)
drm_gem_private_object_init(&i915->drm, &obj->base, size);
if (single)
- i915_gem_object_init(obj, &fake_ops_single);
+ i915_gem_object_init(obj, &fake_ops_single, &lock_class);
else
- i915_gem_object_init(obj, &fake_ops);
+ i915_gem_object_init(obj, &fake_ops, &lock_class);
i915_gem_object_set_volatile(obj);