diff options
| author | Qiang Yu <yuq825@gmail.com> | 2019-10-10 22:01:50 +0800 |
|---|---|---|
| committer | Qiang Yu <yuq825@gmail.com> | 2019-10-17 23:41:03 +0800 |
| commit | d61dd248ddadf85b3222b3f63c3d268fcc24beb4 (patch) | |
| tree | 86b66859da2e01641750d01351302addee258397 /drivers/gpu/drm/lima/lima_gem_prime.c | |
| parent | ce6eb0253cbacdf250cf894e34ca405d8c9e79da (diff) | |
| download | linux-d61dd248ddadf85b3222b3f63c3d268fcc24beb4.tar.bz2 | |
drm/lima: use drm_gem_shmem_helpers
Do not need to maintain our own shmem memory management
code as drm_gem_shmem_helpers provides it. And we can
also benifit from the work of others with shared code.
This is also a preparation for implementing buffer madv.
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010140152.17747-2-yuq825@gmail.com
Diffstat (limited to 'drivers/gpu/drm/lima/lima_gem_prime.c')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_gem_prime.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/drivers/gpu/drm/lima/lima_gem_prime.c b/drivers/gpu/drm/lima/lima_gem_prime.c deleted file mode 100644 index e3eb251e0a12..000000000000 --- a/drivers/gpu/drm/lima/lima_gem_prime.c +++ /dev/null @@ -1,46 +0,0 @@ -// 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; -} |