diff options
Diffstat (limited to 'drivers/gpu/drm/armada/armada_gem.c')
| -rw-r--r-- | drivers/gpu/drm/armada/armada_gem.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 8005614d2e6b..21909642ee4c 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -25,7 +25,7 @@ static vm_fault_t armada_gem_vm_fault(struct vm_fault *vmf) return vmf_insert_pfn(vmf->vma, vmf->address, pfn); } -const struct vm_operations_struct armada_gem_vm_ops = { +static const struct vm_operations_struct armada_gem_vm_ops = { .fault = armada_gem_vm_fault, .open = drm_gem_vm_open, .close = drm_gem_vm_close, @@ -39,7 +39,7 @@ static size_t roundup_gem_size(size_t size) void armada_gem_free_object(struct drm_gem_object *obj) { struct armada_gem_object *dobj = drm_to_armada_gem(obj); - struct armada_private *priv = obj->dev->dev_private; + struct armada_private *priv = drm_to_armada_dev(obj->dev); DRM_DEBUG_DRIVER("release obj %p\n", dobj); @@ -77,7 +77,7 @@ void armada_gem_free_object(struct drm_gem_object *obj) int armada_gem_linear_back(struct drm_device *dev, struct armada_gem_object *obj) { - struct armada_private *priv = dev->dev_private; + struct armada_private *priv = drm_to_armada_dev(dev); size_t size = obj->obj.size; if (obj->page || obj->linear) @@ -184,6 +184,12 @@ armada_gem_map_object(struct drm_device *dev, struct armada_gem_object *dobj) return dobj->addr; } +static const struct drm_gem_object_funcs armada_gem_object_funcs = { + .free = armada_gem_free_object, + .export = armada_gem_prime_export, + .vm_ops = &armada_gem_vm_ops, +}; + struct armada_gem_object * armada_gem_alloc_private_object(struct drm_device *dev, size_t size) { @@ -195,6 +201,8 @@ armada_gem_alloc_private_object(struct drm_device *dev, size_t size) if (!obj) return NULL; + obj->obj.funcs = &armada_gem_object_funcs; + drm_gem_private_object_init(dev, &obj->obj, size); DRM_DEBUG_DRIVER("alloc private obj %p size %zu\n", obj, size); @@ -214,6 +222,8 @@ static struct armada_gem_object *armada_gem_alloc_object(struct drm_device *dev, if (!obj) return NULL; + obj->obj.funcs = &armada_gem_object_funcs; + if (drm_gem_object_init(dev, &obj->obj, size)) { kfree(obj); return NULL; @@ -379,7 +389,7 @@ armada_gem_prime_map_dma_buf(struct dma_buf_attachment *attach, struct armada_gem_object *dobj = drm_to_armada_gem(obj); struct scatterlist *sg; struct sg_table *sgt; - int i, num; + int i; sgt = kmalloc(sizeof(*sgt), GFP_KERNEL); if (!sgt) @@ -395,22 +405,18 @@ armada_gem_prime_map_dma_buf(struct dma_buf_attachment *attach, mapping = dobj->obj.filp->f_mapping; - for_each_sg(sgt->sgl, sg, count, i) { + for_each_sgtable_sg(sgt, sg, i) { struct page *page; page = shmem_read_mapping_page(mapping, i); - if (IS_ERR(page)) { - num = i; + if (IS_ERR(page)) goto release; - } sg_set_page(sg, page, PAGE_SIZE, 0); } - if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0) { - num = sgt->nents; + if (dma_map_sgtable(attach->dev, sgt, dir, 0)) goto release; - } } else if (dobj->page) { /* Single contiguous page */ if (sg_alloc_table(sgt, 1, GFP_KERNEL)) @@ -418,7 +424,7 @@ armada_gem_prime_map_dma_buf(struct dma_buf_attachment *attach, sg_set_page(sgt->sgl, dobj->page, dobj->obj.size, 0); - if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0) + if (dma_map_sgtable(attach->dev, sgt, dir, 0)) goto free_table; } else if (dobj->linear) { /* Single contiguous physical region - no struct page */ @@ -432,8 +438,9 @@ armada_gem_prime_map_dma_buf(struct dma_buf_attachment *attach, return sgt; release: - for_each_sg(sgt->sgl, sg, num, i) - put_page(sg_page(sg)); + for_each_sgtable_sg(sgt, sg, i) + if (sg_page(sg)) + put_page(sg_page(sg)); free_table: sg_free_table(sgt); free_sgt: @@ -449,11 +456,12 @@ static void armada_gem_prime_unmap_dma_buf(struct dma_buf_attachment *attach, int i; if (!dobj->linear) - dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, dir); + dma_unmap_sgtable(attach->dev, sgt, dir, 0); if (dobj->obj.filp) { struct scatterlist *sg; - for_each_sg(sgt->sgl, sg, sgt->nents, i) + + for_each_sgtable_sg(sgt, sg, i) put_page(sg_page(sg)); } |