In many places, we wish to store the VMA in preference to the object
itself and so being able to create the persistent VMA is useful.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 11 +++++++++++
drivers/gpu/drm/i915/i915_gem_gtt.h | 5 +++++
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 9c178b0c40b5..1bec50bd651b 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3387,6 +3387,17 @@ __i915_gem_vma_create(struct drm_i915_gem_object *obj,
}
struct i915_vma *
+i915_vma_create(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view)
+{
+ GEM_BUG_ON(view && !i915_is_ggtt(vm));
+ GEM_BUG_ON(view ? i915_gem_obj_to_ggtt_view(obj, view) : i915_gem_obj_to_vma(obj, vm));
+
+ return __i915_gem_vma_create(obj, vm, view ?: &i915_ggtt_view_normal);
+}
+
+struct i915_vma *
i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
struct i915_address_space *vm)
{
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index b580e8a013ce..f2769e01cc8c 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -228,6 +228,11 @@ struct i915_vma {
struct drm_i915_gem_exec_object2 *exec_entry;
};
+struct i915_vma *
+i915_vma_create(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view);
+
static inline bool i915_vma_is_ggtt(const struct i915_vma *vma)
{
return vma->flags & I915_VMA_GGTT;
--
2.8.1
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