mirror of https://gitee.com/openkylin/linux.git
drm/i915: move gtt handling to i915_gem_gtt.c
No more drm_*_agp in i915_gem.c! Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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@ -1143,6 +1143,8 @@ void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
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/* i915_gem_gtt.c */
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void i915_gem_restore_gtt_mappings(struct drm_device *dev);
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int i915_gem_gtt_bind_object(struct drm_gem_object *obj);
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void i915_gem_gtt_unbind_object(struct drm_gem_object *obj);
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/* i915_gem_evict.c */
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int i915_gem_evict_something(struct drm_device *dev, int min_size,
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@ -2288,8 +2288,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
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if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
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i915_gem_clear_fence_reg(obj);
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drm_unbind_agp(obj_priv->agp_mem);
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drm_free_agp(obj_priv->agp_mem, obj->size / PAGE_SIZE);
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i915_gem_gtt_unbind_object(obj);
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i915_gem_object_put_pages_gtt(obj);
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@ -2808,15 +2807,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj,
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return ret;
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}
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/* Create an AGP memory structure pointing at our pages, and bind it
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* into the GTT.
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*/
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obj_priv->agp_mem = drm_agp_bind_pages(dev,
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obj_priv->pages,
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obj->size >> PAGE_SHIFT,
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obj_priv->gtt_space->start,
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obj_priv->agp_type);
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if (obj_priv->agp_mem == NULL) {
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ret = i915_gem_gtt_bind_object(obj);
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if (ret) {
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i915_gem_object_put_pages_gtt(obj);
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drm_mm_put_block(obj_priv->gtt_space);
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obj_priv->gtt_space = NULL;
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@ -47,3 +47,31 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
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/* Be paranoid and flush the chipset cache. */
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intel_gtt_chipset_flush();
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}
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int i915_gem_gtt_bind_object(struct drm_gem_object *obj)
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{
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struct drm_device *dev = obj->dev;
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struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
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/* Create an AGP memory structure pointing at our pages, and bind it
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* into the GTT.
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*/
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obj_priv->agp_mem = drm_agp_bind_pages(dev,
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obj_priv->pages,
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obj->size >> PAGE_SHIFT,
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obj_priv->gtt_space->start,
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obj_priv->agp_type);
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if (obj_priv->agp_mem)
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return 0;
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else
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return -ENOMEM;
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}
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void i915_gem_gtt_unbind_object(struct drm_gem_object *obj)
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{
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struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
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drm_unbind_agp(obj_priv->agp_mem);
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drm_free_agp(obj_priv->agp_mem, obj->size / PAGE_SIZE);
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}
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