Hi Chris,
[...]
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
> b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
> index 808eb327a29b..53e28e417cc9 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
> @@ -187,21 +187,23 @@ int i915_gem_object_set_cache_level(struct
> drm_i915_gem_object *obj,
> {
> int ret;
>
> - assert_object_held(obj);
> -
> if (obj->cache_level == cache_level)
you're checking here...
> return 0;
>
> - ret = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
> + ret = i915_gem_object_lock_interruptible(obj);
> if (ret)
> return ret;
>
> - /* The cache-level will be applied when each vma is rebound. */
> + /* Always invalidate stale cachelines */
> + if (obj->cache_level != cache_level) {
... and here... you might want to get rid of this one?
Andi
> + i915_gem_object_set_cache_coherency(obj, cache_level);
> + obj->cache_dirty = true;
> + }
>
> - i915_gem_object_set_cache_coherency(obj, cache_level);
> - obj->cache_dirty = true; /* Always invalidate stale cachelines */
> + i915_gem_object_unlock(obj);
>
> - return 0;
> + /* The cache-level will be applied when each vma is rebound. */
> + return i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
> }
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