diff options
| author |   Maxime Ripard <maxime@cerno.tech> | 2020-11-02 11:17:54 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-11-02 11:17:54 +0100 |
| commit | c489573b5b6ce6442ad4658d9d5ec77839b91622 (patch) | |
| tree | 6db35e19cfb4c1280033a5545c94e15ac9c7b863 /drivers/gpu/drm/drm_gem_cma_helper.c | |
| parent | fbdev/sh_mobile: Drop unused include (diff) | |
| parent | Linux 5.10-rc2 (diff) | |
| download | linux-dev-c489573b5b6ce6442ad4658d9d5ec77839b91622.tar.xz linux-dev-c489573b5b6ce6442ad4658d9d5ec77839b91622.zip | |
Merge drm/drm-next into drm-misc-next
Daniel needs -rc2 in drm-misc-next to merge some patches
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/drm_gem_cma_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem_cma_helper.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index 5e9d29961307..2165633c9b9e 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -470,26 +470,9 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev, { struct drm_gem_cma_object *cma_obj; - if (sgt->nents != 1) { - /* check if the entries in the sg_table are contiguous */ - dma_addr_t next_addr = sg_dma_address(sgt->sgl); - struct scatterlist *s; - unsigned int i; - - for_each_sg(sgt->sgl, s, sgt->nents, i) { - /* - * sg_dma_address(s) is only valid for entries - * that have sg_dma_len(s) != 0 - */ - if (!sg_dma_len(s)) - continue; - - if (sg_dma_address(s) != next_addr) - return ERR_PTR(-EINVAL); - - next_addr = sg_dma_address(s) + sg_dma_len(s); - } - } + /* check if the entries in the sg_table are contiguous */ + if (drm_prime_get_contiguous_size(sgt) < attach->dmabuf->size) + return ERR_PTR(-EINVAL); /* Create a CMA GEM buffer. */ cma_obj = __drm_gem_cma_create(dev, attach->dmabuf->size); |