Hi Andrew,
Today's linux-next merge of the akpm tree got a conflict in
drivers/gpu/drm/i915/i915_gem.c between commit a70a3148b0c6 ("drm/i915:
Make proper functions for VMs") from the drm-intel tree and commit
e6950216e0af ("drivers: convert shrinkers to new count/scan API") from
the akpm tree.
I fixed it up (see below) and can carry the fix as necessary (no action
is required).
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
diff --cc drivers/gpu/drm/i915/i915_gem.c
index d31e15d,49db617..0000000
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@@ -4642,10 -4626,10 +4650,9 @@@ i915_gem_inactive_count(struct shrinke
struct drm_i915_private,
mm.inactive_shrinker);
struct drm_device *dev = dev_priv->dev;
- struct i915_address_space *vm = &dev_priv->gtt.base;
struct drm_i915_gem_object *obj;
- int nr_to_scan = sc->nr_to_scan;
bool unlock = true;
- int cnt;
+ long cnt;
if (!mutex_trylock(&dev->struct_mutex)) {
if (!mutex_is_locked_by(&dev->struct_mutex, current))
@@@ -4683,75 -4653,36 +4681,109 @@@
mutex_unlock(&dev->struct_mutex);
return cnt;
}
+
+ static long
+ i915_gem_inactive_scan(struct shrinker *shrinker, struct shrink_control *sc)
+ {
+ struct drm_i915_private *dev_priv =
+ container_of(shrinker,
+ struct drm_i915_private,
+ mm.inactive_shrinker);
+ struct drm_device *dev = dev_priv->dev;
+ int nr_to_scan = sc->nr_to_scan;
+ long freed;
+ bool unlock = true;
+
+ if (!mutex_trylock(&dev->struct_mutex)) {
+ if (!mutex_is_locked_by(&dev->struct_mutex, current))
+ return 0;
+
+ if (dev_priv->mm.shrinker_no_lock_stealing)
+ return 0;
+
+ unlock = false;
+ }
+
+ freed = i915_gem_purge(dev_priv, nr_to_scan);
+ if (freed < nr_to_scan)
+ freed += __i915_gem_shrink(dev_priv, nr_to_scan,
+ false);
+ if (freed < nr_to_scan)
+ freed += i915_gem_shrink_all(dev_priv);
+
+ if (unlock)
+ mutex_unlock(&dev->struct_mutex);
+ return freed;
+ }
++
+/* All the new VM stuff */
+unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm)
+{
+ struct drm_i915_private *dev_priv = o->base.dev->dev_private;
+ struct i915_vma *vma;
+
+ if (vm == &dev_priv->mm.aliasing_ppgtt->base)
+ vm = &dev_priv->gtt.base;
+
+ BUG_ON(list_empty(&o->vma_list));
+ list_for_each_entry(vma, &o->vma_list, vma_link) {
+ if (vma->vm == vm)
+ return vma->node.start;
+
+ }
+ return -1;
+}
+
+bool i915_gem_obj_bound(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm)
+{
+ struct i915_vma *vma;
+
+ list_for_each_entry(vma, &o->vma_list, vma_link)
+ if (vma->vm == vm)
+ return true;
+
+ return false;
+}
+
+bool i915_gem_obj_bound_any(struct drm_i915_gem_object *o)
+{
+ struct drm_i915_private *dev_priv = o->base.dev->dev_private;
+ struct i915_address_space *vm;
+
+ list_for_each_entry(vm, &dev_priv->vm_list, global_link)
+ if (i915_gem_obj_bound(o, vm))
+ return true;
+
+ return false;
+}
+
+unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm)
+{
+ struct drm_i915_private *dev_priv = o->base.dev->dev_private;
+ struct i915_vma *vma;
+
+ if (vm == &dev_priv->mm.aliasing_ppgtt->base)
+ vm = &dev_priv->gtt.base;
+
+ BUG_ON(list_empty(&o->vma_list));
+
+ list_for_each_entry(vma, &o->vma_list, vma_link)
+ if (vma->vm == vm)
+ return vma->node.size;
+
+ return 0;
+}
+
+struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm)
+{
+ struct i915_vma *vma;
+ list_for_each_entry(vma, &obj->vma_list, vma_link)
+ if (vma->vm == vm)
+ return vma;
+
+ return NULL;
+}
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