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>
Reviewed-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_gem.c | 35 +++++++++++++++--------------------
1 file changed, 15 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ba89d98e2aed..a6a30c7514e0 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2957,12 +2957,12 @@ static bool i915_gem_valid_gtt_space(struct i915_vma
*vma,
* @flags: mask of PIN_* flags to use
*/
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,
- u64 size,
- u64 alignment,
- u64 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,
+ u64 size,
+ u64 alignment,
+ u64 flags)
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -3088,19 +3088,12 @@ search_free:
}
GEM_BUG_ON(!i915_gem_valid_gtt_space(vma, obj->cache_level));
- 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++;
return vma;
-err_remove_node:
- drm_mm_remove_node(&vma->node);
err_vma:
vma = ERR_PTR(ret);
err_unpin:
@@ -3760,24 +3753,26 @@ 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;
}
--
2.8.1
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