mirror of https://gitee.com/openkylin/linux.git
drm/i915: Simplify i915_gem_object_ggtt_unpin
Split out from Chris vma-bind rework. Jani wondered why this is save, and the reason is that i915_vma_unbind does all these checks, too. So they're redundant. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ben Widawsky <benjamin.widawsky@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -2083,9 +2083,7 @@ int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
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struct i915_address_space *vm,
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struct i915_address_space *vm,
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uint32_t alignment,
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uint32_t alignment,
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unsigned flags);
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unsigned flags);
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void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
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int __must_check i915_vma_unbind(struct i915_vma *vma);
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int __must_check i915_vma_unbind(struct i915_vma *vma);
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int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj);
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int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
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int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
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void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
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void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
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void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
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void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
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@ -2290,6 +2288,14 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
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return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment, flags | PIN_GLOBAL);
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return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment, flags | PIN_GLOBAL);
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}
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}
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static inline int
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i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
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{
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return i915_vma_unbind(i915_gem_obj_to_ggtt(obj));
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}
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void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
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/* i915_gem_context.c */
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/* i915_gem_context.c */
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#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
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#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
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int __must_check i915_gem_context_init(struct drm_device *dev);
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int __must_check i915_gem_context_init(struct drm_device *dev);
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@ -2766,26 +2766,6 @@ int i915_vma_unbind(struct i915_vma *vma)
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return 0;
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return 0;
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}
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}
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/**
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* Unbinds an object from the global GTT aperture.
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*/
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int
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i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
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{
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struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
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struct i915_address_space *ggtt = &dev_priv->gtt.base;
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if (!i915_gem_obj_ggtt_bound(obj))
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return 0;
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if (i915_gem_obj_to_ggtt(obj)->pin_count)
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return -EBUSY;
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BUG_ON(obj->pages == NULL);
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return i915_vma_unbind(i915_gem_obj_to_vma(obj, ggtt));
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}
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int i915_gpu_idle(struct drm_device *dev)
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int i915_gpu_idle(struct drm_device *dev)
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{
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{
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drm_i915_private_t *dev_priv = dev->dev_private;
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drm_i915_private_t *dev_priv = dev->dev_private;
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