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Commit 81a8aa4a authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Create a VMA for an object 



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: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-9-git-send-email-chris@chris-wilson.co.uk
parent 247177dd

drivers/gpu/drm/i915/i915_gem_gtt.c

+11 −0
Original line number Diff line number Diff line
@@ -3386,6 +3386,17 @@ __i915_gem_vma_create(struct drm_i915_gem_object *obj, 
	return vma;

}



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)

drivers/gpu/drm/i915/i915_gem_gtt.h

+5 −0
Original line number Diff line number Diff line
@@ -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;