diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_dmabuf.c | 44 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 4 |
4 files changed, 37 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a04c567ade6..af5ceb46e7b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1012,7 +1012,6 @@ struct drm_i915_gem_object { int pages_pin_count; /* prime dma-buf support */ - struct sg_table *sg_table; void *dma_buf_vmapping; int vmapping_count; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8f001fa155a..61c3640188b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1692,7 +1692,7 @@ i915_gem_object_put_pages(struct drm_i915_gem_object *obj) { const struct drm_i915_gem_object_ops *ops = obj->ops; - if (obj->sg_table || obj->pages == NULL) + if (obj->pages == NULL) return 0; BUG_ON(obj->gtt_space); @@ -1845,7 +1845,7 @@ i915_gem_object_get_pages(struct drm_i915_gem_object *obj) const struct drm_i915_gem_object_ops *ops = obj->ops; int ret; - if (obj->sg_table || obj->pages) + if (obj->pages) return 0; BUG_ON(obj->pages_pin_count); @@ -3738,9 +3738,6 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj) trace_i915_gem_object_destroy(obj); - if (gem_obj->import_attach) - drm_prime_gem_destroy(gem_obj, obj->sg_table); - if (obj->phys_obj) i915_gem_detach_phys_object(dev, obj); @@ -3762,6 +3759,9 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj) BUG_ON(obj->pages); + if (obj->base.import_attach) + drm_prime_gem_destroy(&obj->base, NULL); + drm_gem_object_release(&obj->base); i915_gem_info_remove_obj(dev_priv, obj->base.size); diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index 4bb1b94df5c..ca3497e1108 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c @@ -82,7 +82,8 @@ out: } static void i915_gem_unmap_dma_buf(struct dma_buf_attachment *attachment, - struct sg_table *sg, enum dma_data_direction dir) + struct sg_table *sg, + enum dma_data_direction dir) { dma_unmap_sg(attachment->dev, sg->sgl, sg->nents, dir); sg_free_table(sg); @@ -228,11 +229,35 @@ struct dma_buf *i915_gem_prime_export(struct drm_device *dev, return dma_buf_export(obj, &i915_dmabuf_ops, obj->base.size, 0600); } +static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj) +{ + struct sg_table *sg; + + sg = dma_buf_map_attachment(obj->base.import_attach, DMA_BIDIRECTIONAL); + if (IS_ERR(sg)) + return PTR_ERR(sg); + + obj->pages = sg; + obj->has_dma_mapping = true; + return 0; +} + +static void i915_gem_object_put_pages_dmabuf(struct drm_i915_gem_object *obj) +{ + dma_buf_unmap_attachment(obj->base.import_attach, + obj->pages, DMA_BIDIRECTIONAL); + obj->has_dma_mapping = false; +} + +static const struct drm_i915_gem_object_ops i915_gem_object_dmabuf_ops = { + .get_pages = i915_gem_object_get_pages_dmabuf, + .put_pages = i915_gem_object_put_pages_dmabuf, +}; + struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf) { struct dma_buf_attachment *attach; - struct sg_table *sg; struct drm_i915_gem_object *obj; int ret; @@ -251,34 +276,25 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, if (IS_ERR(attach)) return ERR_CAST(attach); - sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); - if (IS_ERR(sg)) { - ret = PTR_ERR(sg); - goto fail_detach; - } obj = kzalloc(sizeof(*obj), GFP_KERNEL); if (obj == NULL) { ret = -ENOMEM; - goto fail_unmap; + goto fail_detach; } ret = drm_gem_private_object_init(dev, &obj->base, dma_buf->size); if (ret) { kfree(obj); - goto fail_unmap; + goto fail_detach; } - obj->has_dma_mapping = true; - obj->sg_table = sg; + i915_gem_object_init(obj, &i915_gem_object_dmabuf_ops); obj->base.import_attach = attach; return &obj->base; -fail_unmap: - dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL); fail_detach: dma_buf_detach(dma_buf, attach); return ERR_PTR(ret); } - diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index e0c9bddb7d9..1b1bc002533 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -234,7 +234,7 @@ void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt, } i915_ppgtt_insert_sg_entries(ppgtt, - obj->sg_table ?: obj->pages, + obj->pages, obj->gtt_space->start >> PAGE_SHIFT, pte_flags); } @@ -325,7 +325,7 @@ void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj, struct drm_device *dev = obj->base.dev; unsigned int agp_type = cache_level_to_agp_type(dev, cache_level); - intel_gtt_insert_sg_entries(obj->sg_table ?: obj->pages, + intel_gtt_insert_sg_entries(obj->pages, obj->gtt_space->start >> PAGE_SHIFT, agp_type); obj->has_global_gtt_mapping = 1; |