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path: root/drivers/gpu/drm/i915/i915_gem_userptr.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_userptr.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_userptr.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
index 58ccf8b8ca1c..ccd09e8419f5 100644
--- a/drivers/gpu/drm/i915/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
@@ -378,7 +378,7 @@ __i915_mm_struct_free(struct kref *kref)
mutex_unlock(&mm->i915->mm_lock);
INIT_WORK(&mm->work, __i915_mm_struct_free__worker);
- schedule_work(&mm->work);
+ queue_work(mm->i915->mm.userptr_wq, &mm->work);
}
static void
@@ -507,7 +507,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
ret = -ENOMEM;
pinned = 0;
- pvec = drm_malloc_gfp(npages, sizeof(struct page *), GFP_TEMPORARY);
+ pvec = kvmalloc_array(npages, sizeof(struct page *), GFP_TEMPORARY);
if (pvec != NULL) {
struct mm_struct *mm = obj->userptr.mm->mm;
unsigned int flags = 0;
@@ -555,7 +555,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
mutex_unlock(&obj->mm.lock);
release_pages(pvec, pinned, 0);
- drm_free_large(pvec);
+ kvfree(pvec);
i915_gem_object_put(obj);
put_task_struct(work->task);
@@ -598,7 +598,7 @@ __i915_gem_userptr_get_pages_schedule(struct drm_i915_gem_object *obj)
get_task_struct(work->task);
INIT_WORK(&work->work, __i915_gem_userptr_get_pages_worker);
- schedule_work(&work->work);
+ queue_work(to_i915(obj->base.dev)->mm.userptr_wq, &work->work);
return ERR_PTR(-EAGAIN);
}
@@ -642,7 +642,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
pinned = 0;
if (mm == current->mm) {
- pvec = drm_malloc_gfp(num_pages, sizeof(struct page *),
+ pvec = kvmalloc_array(num_pages, sizeof(struct page *),
GFP_TEMPORARY |
__GFP_NORETRY |
__GFP_NOWARN);
@@ -669,7 +669,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
if (IS_ERR(pages))
release_pages(pvec, pinned, 0);
- drm_free_large(pvec);
+ kvfree(pvec);
return pages;
}
@@ -802,9 +802,11 @@ i915_gem_userptr_ioctl(struct drm_device *dev, void *data, struct drm_file *file
drm_gem_private_object_init(dev, &obj->base, args->user_size);
i915_gem_object_init(obj, &i915_gem_userptr_ops);
- obj->cache_level = I915_CACHE_LLC;
- obj->base.write_domain = I915_GEM_DOMAIN_CPU;
obj->base.read_domains = I915_GEM_DOMAIN_CPU;
+ obj->base.write_domain = I915_GEM_DOMAIN_CPU;
+ obj->cache_level = I915_CACHE_LLC;
+ obj->cache_coherent = i915_gem_object_is_coherent(obj);
+ obj->cache_dirty = !obj->cache_coherent;
obj->userptr.ptr = args->user_ptr;
obj->userptr.read_only = !!(args->flags & I915_USERPTR_READ_ONLY);
@@ -828,8 +830,20 @@ i915_gem_userptr_ioctl(struct drm_device *dev, void *data, struct drm_file *file
return 0;
}
-void i915_gem_init_userptr(struct drm_i915_private *dev_priv)
+int i915_gem_init_userptr(struct drm_i915_private *dev_priv)
{
mutex_init(&dev_priv->mm_lock);
hash_init(dev_priv->mm_structs);
+
+ dev_priv->mm.userptr_wq =
+ alloc_workqueue("i915-userptr-acquire", WQ_HIGHPRI, 0);
+ if (!dev_priv->mm.userptr_wq)
+ return -ENOMEM;
+
+ return 0;
+}
+
+void i915_gem_cleanup_userptr(struct drm_i915_private *dev_priv)
+{
+ destroy_workqueue(dev_priv->mm.userptr_wq);
}