drm/msm: use imported dmabuf's reservation object
This was always the intention, but somehow it was never wired up properly. Signed-off-by: Rob Clark <robdclark@gmail.com>
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fde5de6cb4
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79f0e20215
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@ -208,7 +208,7 @@ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
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struct drm_gem_object *msm_gem_new(struct drm_device *dev,
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uint32_t size, uint32_t flags);
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struct drm_gem_object *msm_gem_import(struct drm_device *dev,
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uint32_t size, struct sg_table *sgt);
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struct dma_buf *dmabuf, struct sg_table *sgt);
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int msm_framebuffer_prepare(struct drm_framebuffer *fb, int id);
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void msm_framebuffer_cleanup(struct drm_framebuffer *fb, int id);
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@ -584,6 +584,7 @@ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
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static int msm_gem_new_impl(struct drm_device *dev,
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uint32_t size, uint32_t flags,
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struct reservation_object *resv,
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struct drm_gem_object **obj)
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{
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struct msm_drm_private *priv = dev->dev_private;
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@ -623,8 +624,12 @@ static int msm_gem_new_impl(struct drm_device *dev,
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msm_obj->flags = flags;
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msm_obj->resv = &msm_obj->_resv;
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reservation_object_init(msm_obj->resv);
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if (resv) {
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msm_obj->resv = resv;
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} else {
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msm_obj->resv = &msm_obj->_resv;
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reservation_object_init(msm_obj->resv);
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}
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INIT_LIST_HEAD(&msm_obj->submit_entry);
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list_add_tail(&msm_obj->mm_list, &priv->inactive_list);
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@ -644,7 +649,7 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev,
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size = PAGE_ALIGN(size);
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ret = msm_gem_new_impl(dev, size, flags, &obj);
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ret = msm_gem_new_impl(dev, size, flags, NULL, &obj);
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if (ret)
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goto fail;
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@ -666,10 +671,11 @@ fail:
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}
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struct drm_gem_object *msm_gem_import(struct drm_device *dev,
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uint32_t size, struct sg_table *sgt)
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struct dma_buf *dmabuf, struct sg_table *sgt)
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{
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struct msm_gem_object *msm_obj;
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struct drm_gem_object *obj;
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uint32_t size;
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int ret, npages;
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/* if we don't have IOMMU, don't bother pretending we can import: */
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@ -678,9 +684,9 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev,
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return ERR_PTR(-EINVAL);
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}
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size = PAGE_ALIGN(size);
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size = PAGE_ALIGN(dmabuf->size);
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ret = msm_gem_new_impl(dev, size, MSM_BO_WC, &obj);
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ret = msm_gem_new_impl(dev, size, MSM_BO_WC, dmabuf->resv, &obj);
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if (ret)
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goto fail;
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@ -55,7 +55,7 @@ int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
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struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
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struct dma_buf_attachment *attach, struct sg_table *sg)
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{
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return msm_gem_import(dev, attach->dmabuf->size, sg);
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return msm_gem_import(dev, attach->dmabuf, sg);
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}
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int msm_gem_prime_pin(struct drm_gem_object *obj)
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