{
might_sleep();
@@ -1133,7 +1135,7 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment *attach,
!IS_ENABLED(CONFIG_DMABUF_MOVE_NOTIFY))
dma_buf_unpin(attach);
}
-EXPORT_SYMBOL_NS_GPL(dma_buf_unmap_attachment, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_unmap_attachment_unlocked, DMA_BUF);
/**
* dma_buf_move_notify - notify attachments that DMA-buf is moving
@@ -1330,7 +1332,7 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_end_cpu_access, DMA_BUF);
/**
- * dma_buf_mmap - Setup up a userspace mmap with the given vma
+ * dma_buf_mmap_unlocked - Setup up a userspace mmap with the given vma
* @dmabuf: [in] buffer that should back the vma
* @vma: [in] vma for the mmap
* @pgoff: [in] offset in pages where this mmap should start within the
@@ -1343,8 +1345,8 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_end_cpu_access, DMA_BUF);
*
* Can return negative error values, returns 0 on success.
*/
-int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
- unsigned long pgoff)
+int dma_buf_mmap_unlocked(struct dma_buf *dmabuf, struct vm_area_struct *vma,
+ unsigned long pgoff)
{
if (WARN_ON(!dmabuf || !vma))
return -EINVAL;
@@ -1368,10 +1370,10 @@ int dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma,
return dmabuf->ops->mmap(dmabuf, vma);
}
-EXPORT_SYMBOL_NS_GPL(dma_buf_mmap, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_mmap_unlocked, DMA_BUF);
/**
- * dma_buf_vmap - Create virtual mapping for the buffer object into kernel
+ * dma_buf_vmap_unlocked - Create virtual mapping for the buffer object into kernel
* address space. Same restrictions as for vmap and friends apply.
* @dmabuf: [in] buffer to vmap
* @map: [out] returns the vmap pointer
@@ -1386,7 +1388,7 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_mmap, DMA_BUF);
*
* Returns 0 on success, or a negative errno code otherwise.
*/
-int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
+int dma_buf_vmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct iosys_map ptr;
int ret = 0;
@@ -1422,14 +1424,14 @@ int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
mutex_unlock(&dmabuf->lock);
return ret;
}
-EXPORT_SYMBOL_NS_GPL(dma_buf_vmap, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_vmap_unlocked, DMA_BUF);
/**
- * dma_buf_vunmap - Unmap a vmap obtained by dma_buf_vmap.
+ * dma_buf_vunmap_unlocked - Unmap a vmap obtained by dma_buf_vmap.
* @dmabuf: [in] buffer to vunmap
* @map: [in] vmap pointer to vunmap
*/
-void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
+void dma_buf_vunmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map)
{
if (WARN_ON(!dmabuf))
return;
@@ -1446,7 +1448,7 @@ void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
}
mutex_unlock(&dmabuf->lock);
}
-EXPORT_SYMBOL_NS_GPL(dma_buf_vunmap, DMA_BUF);
+EXPORT_SYMBOL_NS_GPL(dma_buf_vunmap_unlocked, DMA_BUF);
#ifdef CONFIG_DEBUG_FS
static int dma_buf_debug_show(struct seq_file *s, void *unused)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index 782cbca37538..d9ed5a4fbc6f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -449,8 +449,8 @@ struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev,
if (IS_ERR(obj))
return obj;
- attach = dma_buf_dynamic_attach(dma_buf, dev->dev,
- &amdgpu_dma_buf_attach_ops, obj);
+ attach = dma_buf_dynamic_attach_unlocked(dma_buf, dev->dev,
+ &amdgpu_dma_buf_attach_ops, obj);
if (IS_ERR(attach)) {
drm_gem_object_put(obj);
return ERR_CAST(attach);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 170935c294f5..e354ad140a0a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -883,7 +883,7 @@ static int amdgpu_ttm_backend_bind(struct ttm_device *bdev,
struct sg_table *sgt;
attach = gtt->gobj->import_attach;
- sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
+ sgt = dma_buf_map_attachment_unlocked(attach, DMA_BIDIRECTIONAL);
if (IS_ERR(sgt))
return PTR_ERR(sgt);
@@ -1008,7 +1008,7 @@ static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev,
struct dma_buf_attachment *attach;
attach = gtt->gobj->import_attach;
- dma_buf_unmap_attachment(attach, ttm->sg, DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(attach, ttm->sg, DMA_BIDIRECTIONAL);
ttm->sg = NULL;
}
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index 147abf1a3968..f71f3b2d20e3 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -66,8 +66,8 @@ void armada_gem_free_object(struct drm_gem_object *obj)
if (dobj->obj.import_attach) {
/* We only ever display imported data */
if (dobj->sgt)
- dma_buf_unmap_attachment(dobj->obj.import_attach,
- dobj->sgt, DMA_TO_DEVICE);
+ dma_buf_unmap_attachment_unlocked(dobj->obj.import_attach,
+ dobj->sgt, DMA_TO_DEVICE);
drm_prime_gem_destroy(&dobj->obj, NULL);
}
@@ -364,7 +364,7 @@ int armada_gem_pwrite_ioctl(struct drm_device *dev, void *data,
if (args->offset > dobj->obj.size ||
args->size > dobj->obj.size - args->offset) {
- DRM_ERROR("invalid size: object size %u\n", dobj->obj.size);
+ DRM_ERROR("invalid size: object size %zu\n", dobj->obj.size);
ret = -EINVAL;
goto unref;
}
@@ -514,13 +514,13 @@ armada_gem_prime_import(struct drm_device *dev, struct dma_buf *buf)
}
}
- attach = dma_buf_attach(buf, dev->dev);
+ attach = dma_buf_attach_unlocked(buf, dev->dev);
if (IS_ERR(attach))
return ERR_CAST(attach);
dobj = armada_gem_alloc_private_object(dev, buf->size);
if (!dobj) {
- dma_buf_detach(buf, attach);
+ dma_buf_detach_unlocked(buf, attach);
return ERR_PTR(-ENOMEM);
}
@@ -539,8 +539,8 @@ int armada_gem_map_import(struct armada_gem_object *dobj)
{
int ret;
- dobj->sgt = dma_buf_map_attachment(dobj->obj.import_attach,
- DMA_TO_DEVICE);
+ dobj->sgt = dma_buf_map_attachment_unlocked(dobj->obj.import_attach,
+ DMA_TO_DEVICE);
if (IS_ERR(dobj->sgt)) {
ret = PTR_ERR(dobj->sgt);
dobj->sgt = NULL;
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index 42abee9a0f4f..ee3333f346b7 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -232,7 +232,7 @@ void drm_gem_cma_free(struct drm_gem_cma_object *cma_obj)
if (gem_obj->import_attach) {
if (cma_obj->vaddr)
- dma_buf_vunmap(gem_obj->import_attach->dmabuf, &map);
+ dma_buf_vunmap_unlocked(gem_obj->import_attach->dmabuf, &map);
drm_prime_gem_destroy(gem_obj, cma_obj->sgt);
} else if (cma_obj->vaddr) {
if (cma_obj->map_noncoherent)
@@ -581,7 +581,7 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *dev,
struct iosys_map map;
int ret;
- ret = dma_buf_vmap(attach->dmabuf, &map);
+ ret = dma_buf_vmap_unlocked(attach->dmabuf, &map);
if (ret) {
DRM_ERROR("Failed to vmap PRIME buffer\n");
return ERR_PTR(ret);
@@ -589,7 +589,7 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *dev,
obj = drm_gem_cma_prime_import_sg_table(dev, attach, sgt);
if (IS_ERR(obj)) {
- dma_buf_vunmap(attach->dmabuf, &map);
+ dma_buf_vunmap_unlocked(attach->dmabuf, &map);
return obj;
}
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 8ad0e02991ca..c5e7a84ead06 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -299,7 +299,7 @@ static int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem,
}
if (obj->import_attach) {
- ret = dma_buf_vmap(obj->import_attach->dmabuf, map);
+ ret = dma_buf_vmap_unlocked(obj->import_attach->dmabuf, map);
if (!ret) {
if (WARN_ON(map->is_iomem)) {
ret = -EIO;
@@ -382,7 +382,7 @@ static void drm_gem_shmem_vunmap_locked(struct drm_gem_shmem_object *shmem,
return;
if (obj->import_attach) {
- dma_buf_vunmap(obj->import_attach->dmabuf, map);
+ dma_buf_vunmap_unlocked(obj->import_attach->dmabuf, map);
} else {
vunmap(shmem->vaddr);
drm_gem_shmem_put_pages(shmem);
@@ -617,7 +617,7 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
drm_gem_object_put(obj);
vma->vm_private_data = NULL;
- return dma_buf_mmap(obj->dma_buf, vma, 0);
+ return dma_buf_mmap_unlocked(obj->dma_buf, vma, 0);
}
ret = drm_gem_shmem_get_pages(shmem);
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index a3f180653b8b..b75ef1756873 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -930,13 +930,13 @@ struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
if (!dev->driver->gem_prime_import_sg_table)
return ERR_PTR(-EINVAL);
- attach = dma_buf_attach(dma_buf, attach_dev);
+ attach = dma_buf_attach_unlocked(dma_buf, attach_dev);
if (IS_ERR(attach))
return ERR_CAST(attach);
get_dma_buf(dma_buf);
- sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
+ sgt = dma_buf_map_attachment_unlocked(attach, DMA_BIDIRECTIONAL);
if (IS_ERR(sgt)) {
ret = PTR_ERR(sgt);
goto fail_detach;
@@ -954,9 +954,9 @@ struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
return obj;
fail_unmap:
- dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_BIDIRECTIONAL);
fail_detach:
- dma_buf_detach(dma_buf, attach);
+ dma_buf_detach_unlocked(dma_buf, attach);
dma_buf_put(dma_buf);
return ERR_PTR(ret);
@@ -1052,9 +1052,9 @@ void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg)
attach = obj->import_attach;
if (sg)
- dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(attach, sg, DMA_BIDIRECTIONAL);
dma_buf = attach->dmabuf;
- dma_buf_detach(attach->dmabuf, attach);
+ dma_buf_detach_unlocked(attach->dmabuf, attach);
/* remove the reference */
dma_buf_put(dma_buf);
}
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index 3fa2da149639..ae6c1eda0a72 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -65,7 +65,7 @@ static void etnaviv_gem_prime_release(struct etnaviv_gem_object *etnaviv_obj)
struct iosys_map map = IOSYS_MAP_INIT_VADDR(etnaviv_obj->vaddr);
if (etnaviv_obj->vaddr)
- dma_buf_vunmap(etnaviv_obj->base.import_attach->dmabuf, &map);
+ dma_buf_vunmap_unlocked(etnaviv_obj->base.import_attach->dmabuf, &map);
/* Don't drop the pages for imported dmabuf, as they are not
* ours, just free the array we allocated:
@@ -82,7 +82,7 @@ static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj)
lockdep_assert_held(&etnaviv_obj->lock);
- ret = dma_buf_vmap(etnaviv_obj->base.import_attach->dmabuf, &map);
+ ret = dma_buf_vmap_unlocked(etnaviv_obj->base.import_attach->dmabuf, &map);
if (ret)
return NULL;
return map.vaddr;
@@ -91,7 +91,7 @@ static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj)
static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj,
struct vm_area_struct *vma)
{
- return dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0);
+ return dma_buf_mmap_unlocked(etnaviv_obj->base.dma_buf, vma, 0);
}
static const struct etnaviv_gem_ops etnaviv_gem_prime_ops = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 3e493f48e0d4..8e95a3c5caf8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -366,7 +366,7 @@ static int exynos_drm_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct
int ret;
if (obj->import_attach)
- return dma_buf_mmap(obj->dma_buf, vma, 0);
+ return dma_buf_mmap_unlocked(obj->dma_buf, vma, 0);
vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
index f5062d0c6333..5ecea7df98b1 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
@@ -241,8 +241,8 @@ static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)
assert_object_held(obj);
- pages = dma_buf_map_attachment(obj->base.import_attach,
- DMA_BIDIRECTIONAL);
+ pages = dma_buf_map_attachment_unlocked(obj->base.import_attach,
+ DMA_BIDIRECTIONAL);
if (IS_ERR(pages))
return PTR_ERR(pages);
@@ -270,8 +270,8 @@ static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj)
static void i915_gem_object_put_pages_dmabuf(struct drm_i915_gem_object *obj,
struct sg_table *pages)
{
- dma_buf_unmap_attachment(obj->base.import_attach, pages,
- DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(obj->base.import_attach, pages,
+ DMA_BIDIRECTIONAL);
}
static const struct drm_i915_gem_object_ops i915_gem_object_dmabuf_ops = {
@@ -306,7 +306,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
return ERR_PTR(-E2BIG);
/* need to attach */
- attach = dma_buf_attach(dma_buf, dev->dev);
+ attach = dma_buf_attach_unlocked(dma_buf, dev->dev);
if (IS_ERR(attach))
return ERR_CAST(attach);
@@ -337,7 +337,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
return &obj->base;
fail_detach:
- dma_buf_detach(dma_buf, attach);
+ dma_buf_detach_unlocked(dma_buf, attach);
dma_buf_put(dma_buf);
return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
index 62c61af77a42..6053af920a22 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
@@ -207,13 +207,13 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915,
i915_gem_object_unlock(import_obj);
/* Now try a fake an importer */
- import_attach = dma_buf_attach(dmabuf, obj->base.dev->dev);
+ import_attach = dma_buf_attach_unlocked(dmabuf, obj->base.dev->dev);
if (IS_ERR(import_attach)) {
err = PTR_ERR(import_attach);
goto out_import;
}
- st = dma_buf_map_attachment(import_attach, DMA_BIDIRECTIONAL);
+ st = dma_buf_map_attachment_unlocked(import_attach, DMA_BIDIRECTIONAL);
if (IS_ERR(st)) {
err = PTR_ERR(st);
goto out_detach;
@@ -226,9 +226,9 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915,
timeout = -ETIME;
}
err = timeout > 0 ? 0 : timeout;
- dma_buf_unmap_attachment(import_attach, st, DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(import_attach, st, DMA_BIDIRECTIONAL);
out_detach:
- dma_buf_detach(dmabuf, import_attach);
+ dma_buf_detach_unlocked(dmabuf, import_attach);
out_import:
i915_gem_object_put(import_obj);
out_dmabuf:
@@ -296,7 +296,7 @@ static int igt_dmabuf_import(void *arg)
goto out_obj;
}
- err = dma_buf_vmap(dmabuf, &map);
+ err = dma_buf_vmap_unlocked(dmabuf, &map);
dma_map = err ? NULL : map.vaddr;
if (!dma_map) {
pr_err("dma_buf_vmap failed\n");
@@ -337,7 +337,7 @@ static int igt_dmabuf_import(void *arg)
err = 0;
out_dma_map:
- dma_buf_vunmap(dmabuf, &map);
+ dma_buf_vunmap_unlocked(dmabuf, &map);
out_obj:
i915_gem_object_put(obj);
out_dmabuf:
@@ -358,7 +358,7 @@ static int igt_dmabuf_import_ownership(void *arg)
if (IS_ERR(dmabuf))
return PTR_ERR(dmabuf);
- err = dma_buf_vmap(dmabuf, &map);
+ err = dma_buf_vmap_unlocked(dmabuf, &map);
ptr = err ? NULL : map.vaddr;
if (!ptr) {
pr_err("dma_buf_vmap failed\n");
@@ -367,7 +367,7 @@ static int igt_dmabuf_import_ownership(void *arg)
}
memset(ptr, 0xc5, PAGE_SIZE);
- dma_buf_vunmap(dmabuf, &map);
+ dma_buf_vunmap_unlocked(dmabuf, &map);
obj = to_intel_bo(i915_gem_prime_import(&i915->drm, dmabuf));
if (IS_ERR(obj)) {
@@ -418,7 +418,7 @@ static int igt_dmabuf_export_vmap(void *arg)
}
i915_gem_object_put(obj);
- err = dma_buf_vmap(dmabuf, &map);
+ err = dma_buf_vmap_unlocked(dmabuf, &map);
ptr = err ? NULL : map.vaddr;
if (!ptr) {
pr_err("dma_buf_vmap failed\n");
@@ -435,7 +435,7 @@ static int igt_dmabuf_export_vmap(void *arg)
memset(ptr, 0xc5, dmabuf->size);
err = 0;
- dma_buf_vunmap(dmabuf, &map);
+ dma_buf_vunmap_unlocked(dmabuf, &map);
out:
dma_buf_put(dmabuf);
return err;
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
index 393f82e26927..a725a91c2ff9 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
@@ -119,13 +119,13 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
}
}
- attach = dma_buf_attach(dma_buf, dev->dev);
+ attach = dma_buf_attach_unlocked(dma_buf, dev->dev);
if (IS_ERR(attach))
return ERR_CAST(attach);
get_dma_buf(dma_buf);
- sgt = dma_buf_map_attachment(attach, DMA_TO_DEVICE);
+ sgt = dma_buf_map_attachment_unlocked(attach, DMA_TO_DEVICE);
if (IS_ERR(sgt)) {
ret = PTR_ERR(sgt);
goto fail_detach;
@@ -142,9 +142,9 @@ struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
return obj;
fail_unmap:
- dma_buf_unmap_attachment(attach, sgt, DMA_TO_DEVICE);
+ dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_TO_DEVICE);
fail_detach:
- dma_buf_detach(dma_buf, attach);
+ dma_buf_detach_unlocked(dma_buf, attach);
dma_buf_put(dma_buf);
return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 81991090adcc..bbfe196ff6f6 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -78,15 +78,15 @@ static struct host1x_bo_mapping *tegra_bo_pin(struct device *dev, struct host1x_
if (gem->import_attach) {
struct dma_buf *buf = gem->import_attach->dmabuf;
- map->attach = dma_buf_attach(buf, dev);
+ map->attach = dma_buf_attach_unlocked(buf, dev);
if (IS_ERR(map->attach)) {
err = PTR_ERR(map->attach);
goto free;
}
- map->sgt = dma_buf_map_attachment(map->attach, direction);
+ map->sgt = dma_buf_map_attachment_unlocked(map->attach, direction);
if (IS_ERR(map->sgt)) {
- dma_buf_detach(buf, map->attach);
+ dma_buf_detach_unlocked(buf, map->attach);
err = PTR_ERR(map->sgt);
map->sgt = NULL;
goto free;
@@ -160,8 +160,9 @@ static struct host1x_bo_mapping *tegra_bo_pin(struct device *dev, struct host1x_
static void tegra_bo_unpin(struct host1x_bo_mapping *map)
{
if (map->attach) {
- dma_buf_unmap_attachment(map->attach, map->sgt, map->direction);
- dma_buf_detach(map->attach->dmabuf, map->attach);
+ dma_buf_unmap_attachment_unlocked(map->attach, map->sgt,
+ map->direction);
+ dma_buf_detach_unlocked(map->attach->dmabuf, map->attach);
} else {
dma_unmap_sgtable(map->dev, map->sgt, map->direction, 0);
sg_free_table(map->sgt);
@@ -181,7 +182,7 @@ static void *tegra_bo_mmap(struct host1x_bo *bo)
if (obj->vaddr) {
return obj->vaddr;
} else if (obj->gem.import_attach) {
- ret = dma_buf_vmap(obj->gem.import_attach->dmabuf, &map);
+ ret = dma_buf_vmap_unlocked(obj->gem.import_attach->dmabuf, &map);
return ret ? NULL : map.vaddr;
} else {
return vmap(obj->pages, obj->num_pages, VM_MAP,
@@ -197,7 +198,7 @@ static void tegra_bo_munmap(struct host1x_bo *bo, void *addr)
if (obj->vaddr)
return;
else if (obj->gem.import_attach)
- dma_buf_vunmap(obj->gem.import_attach->dmabuf, &map);
+ dma_buf_vunmap_unlocked(obj->gem.import_attach->dmabuf, &map);
else
vunmap(addr);
}
@@ -453,7 +454,7 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
if (IS_ERR(bo))
return bo;
- attach = dma_buf_attach(buf, drm->dev);
+ attach = dma_buf_attach_unlocked(buf, drm->dev);
if (IS_ERR(attach)) {
err = PTR_ERR(attach);
goto free;
@@ -461,7 +462,7 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
get_dma_buf(buf);
- bo->sgt = dma_buf_map_attachment(attach, DMA_TO_DEVICE);
+ bo->sgt = dma_buf_map_attachment_unlocked(attach, DMA_TO_DEVICE);
if (IS_ERR(bo->sgt)) {
err = PTR_ERR(bo->sgt);
goto detach;
@@ -479,9 +480,9 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
detach:
if (!IS_ERR_OR_NULL(bo->sgt))
- dma_buf_unmap_attachment(attach, bo->sgt, DMA_TO_DEVICE);
+ dma_buf_unmap_attachment_unlocked(attach, bo->sgt, DMA_TO_DEVICE);
- dma_buf_detach(buf, attach);
+ dma_buf_detach_unlocked(buf, attach);
dma_buf_put(buf);
free:
drm_gem_object_release(&bo->gem);
@@ -508,8 +509,8 @@ void tegra_bo_free_object(struct drm_gem_object *gem)
tegra_bo_iommu_unmap(tegra, bo);
if (gem->import_attach) {
- dma_buf_unmap_attachment(gem->import_attach, bo->sgt,
- DMA_TO_DEVICE);
+ dma_buf_unmap_attachment_unlocked(gem->import_attach, bo->sgt,
+ DMA_TO_DEVICE);
drm_prime_gem_destroy(gem, NULL);
} else {
tegra_bo_free(gem->dev, bo);
diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/core/umem_dmabuf.c
index fce80a4a5147..12b73e6ad054 100644
--- a/drivers/infiniband/core/umem_dmabuf.c
+++ b/drivers/infiniband/core/umem_dmabuf.c
@@ -25,7 +25,8 @@ int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf)
if (umem_dmabuf->sgt)
goto wait_fence;
- sgt = dma_buf_map_attachment(umem_dmabuf->attach, DMA_BIDIRECTIONAL);
+ sgt = dma_buf_map_attachment_unlocked(umem_dmabuf->attach,
+ DMA_BIDIRECTIONAL);
if (IS_ERR(sgt))
return PTR_ERR(sgt);
@@ -96,8 +97,8 @@ void ib_umem_dmabuf_unmap_pages(struct ib_umem_dmabuf *umem_dmabuf)
umem_dmabuf->last_sg_trim = 0;
}
- dma_buf_unmap_attachment(umem_dmabuf->attach, umem_dmabuf->sgt,
- DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(umem_dmabuf->attach, umem_dmabuf->sgt,
+ DMA_BIDIRECTIONAL);
umem_dmabuf->sgt = NULL;
}
@@ -143,7 +144,7 @@ struct ib_umem_dmabuf *ib_umem_dmabuf_get(struct ib_device *device,
if (!ib_umem_num_pages(umem))
goto out_free_umem;
- umem_dmabuf->attach = dma_buf_dynamic_attach(
+ umem_dmabuf->attach = dma_buf_dynamic_attach_unlocked(
dmabuf,
device->dma_device,
ops,
@@ -222,7 +223,7 @@ void ib_umem_dmabuf_release(struct ib_umem_dmabuf *umem_dmabuf)
dma_buf_unpin(umem_dmabuf->attach);
dma_resv_unlock(dmabuf->resv);
- dma_buf_detach(dmabuf, umem_dmabuf->attach);
+ dma_buf_detach_unlocked(dmabuf, umem_dmabuf->attach);
dma_buf_put(dmabuf);
kfree(umem_dmabuf);
}
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
index 678b359717c4..de762dbdaf78 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
@@ -101,7 +101,7 @@ static void *vb2_dc_vaddr(struct vb2_buffer *vb, void *buf_priv)
if (buf->db_attach) {
struct iosys_map map;
- if (!dma_buf_vmap(buf->db_attach->dmabuf, &map))
+ if (!dma_buf_vmap_unlocked(buf->db_attach->dmabuf, &map))
buf->vaddr = map.vaddr;
return buf->vaddr;
@@ -711,7 +711,7 @@ static int vb2_dc_map_dmabuf(void *mem_priv)
}
/* get the associated scatterlist for this buffer */
- sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir);
+ sgt = dma_buf_map_attachment_unlocked(buf->db_attach, buf->dma_dir);
if (IS_ERR(sgt)) {
pr_err("Error getting dmabuf scatterlist\n");
return -EINVAL;
@@ -722,7 +722,8 @@ static int vb2_dc_map_dmabuf(void *mem_priv)
if (contig_size < buf->size) {
pr_err("contiguous chunk is too small %lu/%lu\n",
contig_size, buf->size);
- dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);
+ dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt,
+ buf->dma_dir);
return -EFAULT;
}
@@ -750,10 +751,10 @@ static void vb2_dc_unmap_dmabuf(void *mem_priv)
}
if (buf->vaddr) {
- dma_buf_vunmap(buf->db_attach->dmabuf, &map);
+ dma_buf_vunmap_unlocked(buf->db_attach->dmabuf, &map);
buf->vaddr = NULL;
}
- dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);
+ dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, buf->dma_dir);
buf->dma_addr = 0;
buf->dma_sgt = NULL;
@@ -768,7 +769,7 @@ static void vb2_dc_detach_dmabuf(void *mem_priv)
vb2_dc_unmap_dmabuf(buf);
/* detach this attachment */
- dma_buf_detach(buf->db_attach->dmabuf, buf->db_attach);
+ dma_buf_detach_unlocked(buf->db_attach->dmabuf, buf->db_attach);
kfree(buf);
}
@@ -792,7 +793,7 @@ static void *vb2_dc_attach_dmabuf(struct vb2_buffer *vb, struct device *dev,
buf->vb = vb;
/* create attachment for the dmabuf with the user device */
- dba = dma_buf_attach(dbuf, buf->dev);
+ dba = dma_buf_attach_unlocked(dbuf, buf->dev);
if (IS_ERR(dba)) {
pr_err("failed to attach dmabuf\n");
kfree(buf);
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index fa69158a65b1..39e11600304a 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -309,7 +309,7 @@ static void *vb2_dma_sg_vaddr(struct vb2_buffer *vb, void *buf_priv)
if (!buf->vaddr) {
if (buf->db_attach) {
- ret = dma_buf_vmap(buf->db_attach->dmabuf, &map);
+ ret = dma_buf_vmap_unlocked(buf->db_attach->dmabuf, &map);
buf->vaddr = ret ? NULL : map.vaddr;
} else {
buf->vaddr = vm_map_ram(buf->pages, buf->num_pages, -1);
@@ -565,7 +565,7 @@ static int vb2_dma_sg_map_dmabuf(void *mem_priv)
}
/* get the associated scatterlist for this buffer */
- sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir);
+ sgt = dma_buf_map_attachment_unlocked(buf->db_attach, buf->dma_dir);
if (IS_ERR(sgt)) {
pr_err("Error getting dmabuf scatterlist\n");
return -EINVAL;
@@ -594,10 +594,10 @@ static void vb2_dma_sg_unmap_dmabuf(void *mem_priv)
}
if (buf->vaddr) {
- dma_buf_vunmap(buf->db_attach->dmabuf, &map);
+ dma_buf_vunmap_unlocked(buf->db_attach->dmabuf, &map);
buf->vaddr = NULL;
}
- dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);
+ dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, buf->dma_dir);
buf->dma_sgt = NULL;
}
@@ -611,7 +611,7 @@ static void vb2_dma_sg_detach_dmabuf(void *mem_priv)
vb2_dma_sg_unmap_dmabuf(buf);
/* detach this attachment */
- dma_buf_detach(buf->db_attach->dmabuf, buf->db_attach);
+ dma_buf_detach_unlocked(buf->db_attach->dmabuf, buf->db_attach);
kfree(buf);
}
@@ -633,7 +633,7 @@ static void *vb2_dma_sg_attach_dmabuf(struct vb2_buffer *vb, struct device *dev,
buf->dev = dev;
/* create attachment for the dmabuf with the user device */
- dba = dma_buf_attach(dbuf, buf->dev);
+ dba = dma_buf_attach_unlocked(dbuf, buf->dev);
if (IS_ERR(dba)) {
pr_err("failed to attach dmabuf\n");
kfree(buf);
diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
index 948152f1596b..7831bf545874 100644
--- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
+++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
@@ -376,7 +376,7 @@ static int vb2_vmalloc_map_dmabuf(void *mem_priv)
struct iosys_map map;
int ret;
- ret = dma_buf_vmap(buf->dbuf, &map);
+ ret = dma_buf_vmap_unlocked(buf->dbuf, &map);
if (ret)
return -EFAULT;
buf->vaddr = map.vaddr;
@@ -389,7 +389,7 @@ static void vb2_vmalloc_unmap_dmabuf(void *mem_priv)
struct vb2_vmalloc_buf *buf = mem_priv;
struct iosys_map map = IOSYS_MAP_INIT_VADDR(buf->vaddr);
- dma_buf_vunmap(buf->dbuf, &map);
+ dma_buf_vunmap_unlocked(buf->dbuf, &map);
buf->vaddr = NULL;
}
@@ -399,7 +399,7 @@ static void vb2_vmalloc_detach_dmabuf(void *mem_priv)
struct iosys_map map = IOSYS_MAP_INIT_VADDR(buf->vaddr);
if (buf->vaddr)
- dma_buf_vunmap(buf->dbuf, &map);
+ dma_buf_vunmap_unlocked(buf->dbuf, &map);
kfree(buf);
}
diff --git a/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c b/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
index 69c346148070..58e4595f3a10 100644
--- a/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
+++ b/drivers/media/platform/nvidia/tegra-vde/dmabuf-cache.c
@@ -38,8 +38,8 @@ static void tegra_vde_release_entry(struct tegra_vde_cache_entry *entry)
if (entry->vde->domain)
tegra_vde_iommu_unmap(entry->vde, entry->iova);
- dma_buf_unmap_attachment(entry->a, entry->sgt, entry->dma_dir);
- dma_buf_detach(dmabuf, entry->a);
+ dma_buf_unmap_attachment_unlocked(entry->a, entry->sgt, entry->dma_dir);
+ dma_buf_detach_unlocked(dmabuf, entry->a);
dma_buf_put(dmabuf);
list_del(&entry->list);
@@ -95,14 +95,14 @@ int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
goto ref;
}
- attachment = dma_buf_attach(dmabuf, dev);
+ attachment = dma_buf_attach_unlocked(dmabuf, dev);
if (IS_ERR(attachment)) {
dev_err(dev, "Failed to attach dmabuf\n");
err = PTR_ERR(attachment);
goto err_unlock;
}
- sgt = dma_buf_map_attachment(attachment, dma_dir);
+ sgt = dma_buf_map_attachment_unlocked(attachment, dma_dir);
if (IS_ERR(sgt)) {
dev_err(dev, "Failed to get dmabufs sg_table\n");
err = PTR_ERR(sgt);
@@ -152,9 +152,9 @@ int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
err_free:
kfree(entry);
err_unmap:
- dma_buf_unmap_attachment(attachment, sgt, dma_dir);
+ dma_buf_unmap_attachment_unlocked(attachment, sgt, dma_dir);
err_detach:
- dma_buf_detach(dmabuf, attachment);
+ dma_buf_detach_unlocked(dmabuf, attachment);
err_unlock:
mutex_unlock(&vde->map_lock);
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 93ebd174d848..558e8056eb80 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -310,9 +310,9 @@ static void fastrpc_free_map(struct kref *ref)
return;
}
}
- dma_buf_unmap_attachment(map->attach, map->table,
- DMA_BIDIRECTIONAL);
- dma_buf_detach(map->buf, map->attach);
+ dma_buf_unmap_attachment_unlocked(map->attach, map->table,
+ DMA_BIDIRECTIONAL);
+ dma_buf_detach_unlocked(map->buf, map->attach);
dma_buf_put(map->buf);
}
@@ -719,14 +719,14 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
goto get_err;
}
- map->attach = dma_buf_attach(map->buf, sess->dev);
+ map->attach = dma_buf_attach_unlocked(map->buf, sess->dev);
if (IS_ERR(map->attach)) {
dev_err(sess->dev, "Failed to attach dmabuf\n");
err = PTR_ERR(map->attach);
goto attach_err;
}
- map->table = dma_buf_map_attachment(map->attach, DMA_BIDIRECTIONAL);
+ map->table = dma_buf_map_attachment_unlocked(map->attach, DMA_BIDIRECTIONAL);
if (IS_ERR(map->table)) {
err = PTR_ERR(map->table);
goto map_err;
@@ -763,7 +763,7 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
return 0;
map_err:
- dma_buf_detach(map->buf, map->attach);
+ dma_buf_detach_unlocked(map->buf, map->attach);
attach_err:
dma_buf_put(map->buf);
get_err:
diff --git a/drivers/xen/gntdev-dmabuf.c b/drivers/xen/gntdev-dmabuf.c
index 940e5e9e8a54..5a50e2697e95 100644
--- a/drivers/xen/gntdev-dmabuf.c
+++ b/drivers/xen/gntdev-dmabuf.c
@@ -592,7 +592,7 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
gntdev_dmabuf->priv = priv;
gntdev_dmabuf->fd = fd;
- attach = dma_buf_attach(dma_buf, dev);
+ attach = dma_buf_attach_unlocked(dma_buf, dev);
if (IS_ERR(attach)) {
ret = ERR_CAST(attach);
goto fail_free_obj;
@@ -600,7 +600,7 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
gntdev_dmabuf->u.imp.attach = attach;
- sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
+ sgt = dma_buf_map_attachment_unlocked(attach, DMA_BIDIRECTIONAL);
if (IS_ERR(sgt)) {
ret = ERR_CAST(sgt);
goto fail_detach;
@@ -658,9 +658,9 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
fail_end_access:
dmabuf_imp_end_foreign_access(gntdev_dmabuf->u.imp.refs, count);
fail_unmap:
- dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(attach, sgt, DMA_BIDIRECTIONAL);
fail_detach:
- dma_buf_detach(dma_buf, attach);
+ dma_buf_detach_unlocked(dma_buf, attach);
fail_free_obj:
dmabuf_imp_free_storage(gntdev_dmabuf);
fail_put:
@@ -708,10 +708,10 @@ static int dmabuf_imp_release(struct gntdev_dmabuf_priv *priv, u32 fd)
attach = gntdev_dmabuf->u.imp.attach;
if (gntdev_dmabuf->u.imp.sgt)
- dma_buf_unmap_attachment(attach, gntdev_dmabuf->u.imp.sgt,
- DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment_unlocked(attach, gntdev_dmabuf->u.imp.sgt,
+ DMA_BIDIRECTIONAL);
dma_buf = attach->dmabuf;
- dma_buf_detach(attach->dmabuf, attach);
+ dma_buf_detach_unlocked(attach->dmabuf, attach);
dma_buf_put(dma_buf);
dmabuf_imp_free_storage(gntdev_dmabuf);
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 71731796c8c3..9ab09569dec1 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -601,14 +601,16 @@ dma_buf_attachment_is_dynamic(struct dma_buf_attachment *attach)
return !!attach->importer_ops;
}
-struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
- struct device *dev);
+struct dma_buf_attachment *dma_buf_attach_unlocked(struct dma_buf *dmabuf,
+ struct device *dev);
struct dma_buf_attachment *
-dma_buf_dynamic_attach(struct dma_buf *dmabuf, struct device *dev,
- const struct dma_buf_attach_ops *importer_ops,
- void *importer_priv);
-void dma_buf_detach(struct dma_buf *dmabuf,
- struct dma_buf_attachment *attach);
+dma_buf_dynamic_attach_unlocked(struct dma_buf *dmabuf, struct device *dev,
+ const struct dma_buf_attach_ops *importer_ops,
+ void *importer_priv);
+
+void dma_buf_detach_unlocked(struct dma_buf *dmabuf,
+ struct dma_buf_attachment *attach);
+
int dma_buf_pin(struct dma_buf_attachment *attach);
void dma_buf_unpin(struct dma_buf_attachment *attach);
@@ -618,18 +620,20 @@ int dma_buf_fd(struct dma_buf *dmabuf, int flags);
struct dma_buf *dma_buf_get(int fd);
void dma_buf_put(struct dma_buf *dmabuf);
-struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *,
- enum dma_data_direction);
-void dma_buf_unmap_attachment(struct dma_buf_attachment *, struct sg_table *,
- enum dma_data_direction);
+struct sg_table *dma_buf_map_attachment_unlocked(struct dma_buf_attachment *,
+ enum dma_data_direction);
+void dma_buf_unmap_attachment_unlocked(struct dma_buf_attachment *,
+ struct sg_table *,
+ enum dma_data_direction);
+
void dma_buf_move_notify(struct dma_buf *dma_buf);
int dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
enum dma_data_direction dir);
int dma_buf_end_cpu_access(struct dma_buf *dma_buf,
enum dma_data_direction dir);
-int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *,
- unsigned long);
-int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map);
-void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map);
+int dma_buf_mmap_unlocked(struct dma_buf *, struct vm_area_struct *,
+ unsigned long);
+int dma_buf_vmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map);
+void dma_buf_vunmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map);
#endif /* __DMA_BUF_H__ */
