// SPDX-License-Identifier: GPL-2.0 OR MIT /* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */ #include <linux/dma-buf.h> #include <drm/drm_prime.h> #include <drm/drm_drv.h> #include <drm/drm_file.h> #include "lima_device.h" #include "lima_object.h" #include "lima_gem.h" #include "lima_gem_prime.h" struct drm_gem_object *lima_gem_prime_import_sg_table( struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt) { struct lima_device *ldev = to_lima_dev(dev); struct lima_bo *bo; bo = lima_bo_create(ldev, attach->dmabuf->size, 0, sgt); if (IS_ERR(bo)) return ERR_CAST(bo); return &bo->gem; } struct sg_table *lima_gem_prime_get_sg_table(struct drm_gem_object *obj) { struct lima_bo *bo = to_lima_bo(obj); int npages = obj->size >> PAGE_SHIFT; return drm_prime_pages_to_sg(bo->pages, npages); } int lima_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) { int ret; ret = drm_gem_mmap_obj(obj, obj->size, vma); if (ret) return ret; lima_set_vma_flags(vma); return 0; }