diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index 519ce4427fcedcdc89d46fff45b5fbb110cc36a1..d7050ab95946c842f9dfe7101090fe280df9c9ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -302,7 +302,8 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,
switch (bo->tbo.mem.mem_type) {
case TTM_PL_TT:
- sgt = drm_prime_pages_to_sg(bo->tbo.ttm->pages,
+ sgt = drm_prime_pages_to_sg(obj->dev,
+ bo->tbo.ttm->pages,
bo->tbo.num_pages);
if (IS_ERR(sgt))
return sgt;
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 4b7cfbac4daae3917e809dca4da3cd0ba88b1321..0a952f27c184670c2736b18d75c50d78b5b354d7 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -656,7 +656,7 @@ struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_object *obj)
WARN_ON(shmem->base.import_attach);
- return drm_prime_pages_to_sg(shmem->pages, obj->size >> PAGE_SHIFT);
+ return drm_prime_pages_to_sg(obj->dev, shmem->pages, obj->size >> PAGE_SHIFT);
}
EXPORT_SYMBOL_GPL(drm_gem_shmem_get_sg_table);
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 1693aa7c14b5faccc177f996907efdae9298b2f8..8a6a3c99b7d8a759c3168ae329ac1b37ac6640e5 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -802,9 +802,11 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
*
* This is useful for implementing &drm_gem_object_funcs.get_sg_table.
*/
-struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_pages)
+struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev,
+ struct page **pages, unsigned int nr_pages)
{
struct sg_table *sg = NULL;
+ size_t max_segment = 0;
int ret;
sg = kmalloc(sizeof(struct sg_table), GFP_KERNEL);
@@ -813,8 +815,13 @@ struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_page
goto out;
}
- ret = sg_alloc_table_from_pages(sg, pages, nr_pages, 0,
- nr_pages << PAGE_SHIFT, GFP_KERNEL);
+ if (dev)
+ max_segment = dma_max_mapping_size(dev->dev);
+ if (max_segment == 0 || max_segment > SCATTERLIST_MAX_SEGMENT)
+ max_segment = SCATTERLIST_MAX_SEGMENT;
+ ret = __sg_alloc_table_from_pages(sg, pages, nr_pages, 0,
+ nr_pages << PAGE_SHIFT,
+ max_segment, GFP_KERNEL);
if (ret)
goto out;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index f06e19e7be04a5cd315369468492a488bd89e7d6..ea19f1d27275683ab0fe507309e3a69135acb6c1 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -103,7 +103,8 @@ struct page **etnaviv_gem_get_pages(struct etnaviv_gem_object *etnaviv_obj)
int npages = etnaviv_obj->base.size >> PAGE_SHIFT;
struct sg_table *sgt;
- sgt = drm_prime_pages_to_sg(etnaviv_obj->pages, npages);
+ sgt = drm_prime_pages_to_sg(etnaviv_obj->base.dev,
+ etnaviv_obj->pages, npages);
if (IS_ERR(sgt)) {
dev_err(dev->dev, "failed to allocate sgt: %ld\n",
PTR_ERR(sgt));
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index 6d9e5c3c4dd5738a90617f74d59d73d26ec9c364..4aa3426a9ba4beea8863d7ed07bb24da388e7d0f 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -19,7 +19,7 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
if (WARN_ON(!etnaviv_obj->pages)) /* should have already pinned! */
return ERR_PTR(-EINVAL);
- return drm_prime_pages_to_sg(etnaviv_obj->pages, npages);
+ return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages);
}
void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index b2f49152b4d4c268ac47fc9634bb1c5d20dcf908..b4553caaa196b1965b6b701334101d6004cdf8ec 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -126,7 +126,7 @@ static struct page **get_pages(struct drm_gem_object *obj)
msm_obj->pages = p;
- msm_obj->sgt = drm_prime_pages_to_sg(p, npages);
+ msm_obj->sgt = drm_prime_pages_to_sg(obj->dev, p, npages);
if (IS_ERR(msm_obj->sgt)) {
void *ptr = ERR_CAST(msm_obj->sgt);
diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c
index d7c8948427fe005e7f315e0cc8aafe1e14068445..515ef80816a0d277d6b77dca4b1dd7e3246bfdef 100644
--- a/drivers/gpu/drm/msm/msm_gem_prime.c
+++ b/drivers/gpu/drm/msm/msm_gem_prime.c
@@ -19,7 +19,7 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj)
if (WARN_ON(!msm_obj->pages)) /* should have already pinned! */
return NULL;
- return drm_prime_pages_to_sg(msm_obj->pages, npages);
+ return drm_prime_pages_to_sg(obj->dev, msm_obj->pages, npages);
}
void *msm_gem_prime_vmap(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
index bae6a3eccee0b284c996c7f43b283b48aa51e835..7766b810653f5ba6aa8c8b2966f72c9f47f95e47 100644
--- a/drivers/gpu/drm/nouveau/nouveau_prime.c
+++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
@@ -32,7 +32,7 @@ struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *obj)
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
int npages = nvbo->bo.num_pages;
- return drm_prime_pages_to_sg(nvbo->bo.ttm->pages, npages);
+ return drm_prime_pages_to_sg(obj->dev, nvbo->bo.ttm->pages, npages);
}
void *nouveau_gem_prime_vmap(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index d6d9c8b46ab46ffa586b89e48ff7357a6bb32228..b9de0e51c0be9871157d7bd7249ea43b397a32fa 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -36,7 +36,7 @@ struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj)
struct radeon_bo *bo = gem_to_radeon_bo(obj);
int npages = bo->tbo.num_pages;
- return drm_prime_pages_to_sg(bo->tbo.ttm->pages, npages);
+ return drm_prime_pages_to_sg(obj->dev, bo->tbo.ttm->pages, npages);
}
void *radeon_gem_prime_vmap(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index b9275ba7c5a53aa0818099d1b409864619abb4dc..0055d86576f79fe65c394ed85ab732df44c8338d 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -85,7 +85,8 @@ static int rockchip_gem_get_pages(struct rockchip_gem_object *rk_obj)
rk_obj->num_pages = rk_obj->base.size >> PAGE_SHIFT;
- rk_obj->sgt = drm_prime_pages_to_sg(rk_obj->pages, rk_obj->num_pages);
+ rk_obj->sgt = drm_prime_pages_to_sg(rk_obj->base.dev,
+ rk_obj->pages, rk_obj->num_pages);
if (IS_ERR(rk_obj->sgt)) {
ret = PTR_ERR(rk_obj->sgt);
goto err_put_pages;
@@ -442,7 +443,7 @@ struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj)
int ret;
if (rk_obj->pages)
- return drm_prime_pages_to_sg(rk_obj->pages, rk_obj->num_pages);
+ return drm_prime_pages_to_sg(obj->dev, rk_obj->pages, rk_obj->num_pages);
sgt = kzalloc(sizeof(*sgt), GFP_KERNEL);
if (!sgt)
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 723df142a9818d574f0eea8451acaeca2c057996..47e2935b8c68131eead6e6df54d286d124c220fa 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -284,7 +284,7 @@ static int tegra_bo_get_pages(struct drm_device *drm, struct tegra_bo *bo)
bo->num_pages = bo->gem.size >> PAGE_SHIFT;
- bo->sgt = drm_prime_pages_to_sg(bo->pages, bo->num_pages);
+ bo->sgt = drm_prime_pages_to_sg(bo->gem.dev, bo->pages, bo->num_pages);
if (IS_ERR(bo->sgt)) {
err = PTR_ERR(bo->sgt);
goto put_pages;
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 313339bbff90114e926e2c5152fe43f8f26b1be8..15dd41e67de3bb5cb398ceeba0208d131e99f1f5 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -321,7 +321,7 @@ static struct sg_table *vgem_prime_get_sg_table(struct drm_gem_object *obj)
{
struct drm_vgem_gem_object *bo = to_vgem_bo(obj);
- return drm_prime_pages_to_sg(bo->pages, bo->base.size >> PAGE_SHIFT);
+ return drm_prime_pages_to_sg(obj->dev, bo->pages, bo->base.size >> PAGE_SHIFT);
}
static struct drm_gem_object* vgem_prime_import(struct drm_device *dev,
diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.c b/drivers/gpu/drm/xen/xen_drm_front_gem.c
index 39ff95b75357ddafc5daac2d0110b2adef7bffd6..aed7510e271083fe869f73b7943fd9da67b90c2c 100644
--- a/drivers/gpu/drm/xen/xen_drm_front_gem.c
+++ b/drivers/gpu/drm/xen/xen_drm_front_gem.c
@@ -179,7 +179,8 @@ struct sg_table *xen_drm_front_gem_get_sg_table(struct drm_gem_object *gem_obj)
if (!xen_obj->pages)
return ERR_PTR(-ENOMEM);
- return drm_prime_pages_to_sg(xen_obj->pages, xen_obj->num_pages);
+ return drm_prime_pages_to_sg(gem_obj->dev,
+ xen_obj->pages, xen_obj->num_pages);
}
struct drm_gem_object *
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index 9af7422b44cf0fb712223c3b24330a737b85a9dd..bf141e74a1c229061e9e60b60b9302c987246c37 100644
--- a/include/drm/drm_prime.h
+++ b/include/drm/drm_prime.h
@@ -88,7 +88,8 @@ void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
-struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_pages);
+struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev,
+ struct page **pages, unsigned int nr_pages);
struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj,
int flags);