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/exynos/exynos_drm_gem.c | |
parent | d23bce963e7f17738374d700f0dc5464c5f7cba2 (diff) | |
parent | 3cea11cd5e3b00d91caf0b4730194039b45c5891 (diff) |
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/exynos/exynos_drm_gem.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 69a5cf28b4ae..4afbf5109cbf 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -42,8 +42,6 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem, bool kvmap) if (exynos_gem->flags & EXYNOS_BO_WC || !(exynos_gem->flags & EXYNOS_BO_CACHABLE)) attr |= DMA_ATTR_WRITE_COMBINE; - else - attr |= DMA_ATTR_NON_CONSISTENT; /* FBDev emulation requires kernel mapping */ if (!kvmap) @@ -446,27 +444,10 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev, { struct exynos_drm_gem *exynos_gem; - if (sgt->nents < 1) + /* check if the entries in the sg_table are contiguous */ + if (drm_prime_get_contiguous_size(sgt) < attach->dmabuf->size) { + DRM_ERROR("buffer chunks must be mapped contiguously"); return ERR_PTR(-EINVAL); - - /* - * Check if the provided buffer has been mapped as contiguous - * into DMA address space. - */ - if (sgt->nents > 1) { - 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) { - if (!sg_dma_len(s)) - break; - if (sg_dma_address(s) != next_addr) { - DRM_ERROR("buffer chunks must be mapped contiguously"); - return ERR_PTR(-EINVAL); - } - next_addr = sg_dma_address(s) + sg_dma_len(s); - } } exynos_gem = exynos_drm_gem_init(dev, attach->dmabuf->size); |