Split the insertion into the address space's range manager and binding
of that object into the GTT to simplify the code flow when pinning a
VMA.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_gem.c | 33 +++++++++++++++------------------
1 file changed, 15 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 2f14d2da75a5..9c159e64a9a0 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2743,12 +2743,12 @@ static bool i915_gem_valid_gtt_space(struct i915_vma
*vma,
* there.
*/
static struct i915_vma *
-i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm,
- const struct i915_ggtt_view *ggtt_view,
- uint64_t size,
- unsigned alignment,
- uint64_t flags)
+i915_gem_object_insert_into_vm(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *ggtt_view,
+ uint64_t size,
+ unsigned alignment,
+ uint64_t flags)
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -2877,11 +2877,6 @@ search_free:
goto err_remove_node;
}
- trace_i915_vma_bind(vma, flags);
- ret = i915_vma_bind(vma, obj->cache_level, flags);
- if (ret)
- goto err_remove_node;
-
list_move_tail(&obj->global_list, &dev_priv->mm.bound_list);
list_move_tail(&vma->vm_link, &vm->inactive_list);
obj->bind_count++;
@@ -3554,24 +3549,26 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
}
}
- bound = vma ? vma->bound : 0;
if (vma == NULL || !drm_mm_node_allocated(&vma->node)) {
- vma = i915_gem_object_bind_to_vm(obj, vm, ggtt_view,
- size, alignment, flags);
+ vma = i915_gem_object_insert_into_vm(obj, vm, ggtt_view,
+ size, alignment, flags);
if (IS_ERR(vma))
return PTR_ERR(vma);
- } else {
- ret = i915_vma_bind(vma, obj->cache_level, flags);
- if (ret)
- return ret;
}
+ bound = vma->bound;
+ ret = i915_vma_bind(vma, obj->cache_level, flags);
+ if (ret)
+ return ret;
+
if (ggtt_view && ggtt_view->type == I915_GGTT_VIEW_NORMAL &&
(bound ^ vma->bound) & GLOBAL_BIND) {
__i915_vma_set_map_and_fenceable(vma);
WARN_ON(flags & PIN_MAPPABLE && !obj->map_and_fenceable);
}
+ GEM_BUG_ON(i915_vma_misplaced(vma, size, alignment, flags));
+
vma->pin_count++;
return 0;
}
--
2.7.0.rc3
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