We want to remove the changing of ops structure for attaching phys pages, so we need to kill off HAS_STRUCT_PAGE from ops->flags, and put it in the bo.
This will remove a potential race of dereferencing the wrong obj->ops without ww mutex held.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Reviewed-by: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 2 +- drivers/gpu/drm/i915/gem/i915_gem_internal.c | 6 +++--- drivers/gpu/drm/i915/gem/i915_gem_lmem.c | 4 ++-- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 7 +++---- drivers/gpu/drm/i915/gem/i915_gem_object.c | 4 +++- drivers/gpu/drm/i915/gem/i915_gem_object.h | 5 +++-- drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 10 ++++++---- drivers/gpu/drm/i915/gem/i915_gem_pages.c | 5 ++--- drivers/gpu/drm/i915/gem/i915_gem_phys.c | 2 ++ drivers/gpu/drm/i915/gem/i915_gem_region.c | 4 +--- drivers/gpu/drm/i915/gem/i915_gem_region.h | 3 +-- drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 8 ++++---- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 4 ++-- drivers/gpu/drm/i915/gem/i915_gem_userptr.c | 6 +++--- drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c | 4 ++-- drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 10 +++++----- drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 11 ++++------- drivers/gpu/drm/i915/gem/selftests/i915_gem_phys.c | 12 ++++++++++++ drivers/gpu/drm/i915/gvt/dmabuf.c | 2 +- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 2 +- drivers/gpu/drm/i915/selftests/mock_region.c | 4 ++-- 21 files changed, 63 insertions(+), 52 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c index d804b0003e0d..c7100a83b8ea 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c @@ -261,7 +261,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, }
drm_gem_private_object_init(dev, &obj->base, dma_buf->size); - i915_gem_object_init(obj, &i915_gem_object_dmabuf_ops, &lock_class); + i915_gem_object_init(obj, &i915_gem_object_dmabuf_ops, &lock_class, 0); obj->base.import_attach = attach; obj->base.resv = dma_buf->resv;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_internal.c b/drivers/gpu/drm/i915/gem/i915_gem_internal.c index ad22f42541bd..21cc40897ca8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_internal.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_internal.c @@ -138,8 +138,7 @@ static void i915_gem_object_put_pages_internal(struct drm_i915_gem_object *obj,
static const struct drm_i915_gem_object_ops i915_gem_object_internal_ops = { .name = "i915_gem_object_internal", - .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | - I915_GEM_OBJECT_IS_SHRINKABLE, + .flags = I915_GEM_OBJECT_IS_SHRINKABLE, .get_pages = i915_gem_object_get_pages_internal, .put_pages = i915_gem_object_put_pages_internal, }; @@ -178,7 +177,8 @@ i915_gem_object_create_internal(struct drm_i915_private *i915, return ERR_PTR(-ENOMEM);
drm_gem_private_object_init(&i915->drm, &obj->base, size); - i915_gem_object_init(obj, &i915_gem_object_internal_ops, &lock_class); + i915_gem_object_init(obj, &i915_gem_object_internal_ops, &lock_class, + I915_BO_ALLOC_STRUCT_PAGE);
/* * Mark the object as volatile, such that the pages are marked as diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c index 194f35342710..ce1c83c13d05 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c @@ -40,13 +40,13 @@ int __i915_gem_lmem_object_init(struct intel_memory_region *mem, struct drm_i915_private *i915 = mem->i915;
drm_gem_private_object_init(&i915->drm, &obj->base, size); - i915_gem_object_init(obj, &i915_gem_lmem_obj_ops, &lock_class); + i915_gem_object_init(obj, &i915_gem_lmem_obj_ops, &lock_class, flags);
obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
- i915_gem_object_init_memory_region(obj, mem, flags); + i915_gem_object_init_memory_region(obj, mem);
return 0; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index ec28a6cde49b..c0034d811e50 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -251,7 +251,7 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf) goto out;
iomap = -1; - if (!i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_STRUCT_PAGE)) { + if (!i915_gem_object_has_struct_page(obj)) { iomap = obj->mm.region->iomap.base; iomap -= obj->mm.region->region.start; } @@ -653,9 +653,8 @@ __assign_mmap_offset(struct drm_file *file, }
if (mmap_type != I915_MMAP_TYPE_GTT && - !i915_gem_object_type_has(obj, - I915_GEM_OBJECT_HAS_STRUCT_PAGE | - I915_GEM_OBJECT_HAS_IOMEM)) { + !i915_gem_object_has_struct_page(obj) && + !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM)) { err = -ENODEV; goto out; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 6cdff5fc5882..6083b9c14be6 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -60,7 +60,7 @@ void i915_gem_object_free(struct drm_i915_gem_object *obj)
void i915_gem_object_init(struct drm_i915_gem_object *obj, const struct drm_i915_gem_object_ops *ops, - struct lock_class_key *key) + struct lock_class_key *key, unsigned flags) { __mutex_init(&obj->mm.lock, ops->name ?: "obj->mm.lock", key);
@@ -78,6 +78,8 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, init_rcu_head(&obj->rcu);
obj->ops = ops; + GEM_BUG_ON(flags & ~I915_BO_ALLOC_FLAGS); + obj->flags = flags;
obj->mm.madv = I915_MADV_WILLNEED; INIT_RADIX_TREE(&obj->mm.get_page.radix, GFP_KERNEL | __GFP_NOWARN); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index dc949404843a..f706812280d6 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -49,7 +49,8 @@ void i915_gem_object_free(struct drm_i915_gem_object *obj);
void i915_gem_object_init(struct drm_i915_gem_object *obj, const struct drm_i915_gem_object_ops *ops, - struct lock_class_key *key); + struct lock_class_key *key, + unsigned alloc_flags); struct drm_i915_gem_object * i915_gem_object_create_shmem(struct drm_i915_private *i915, resource_size_t size); @@ -241,7 +242,7 @@ i915_gem_object_type_has(const struct drm_i915_gem_object *obj, static inline bool i915_gem_object_has_struct_page(const struct drm_i915_gem_object *obj) { - return i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_STRUCT_PAGE); + return obj->flags & I915_BO_ALLOC_STRUCT_PAGE; }
static inline bool diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 0a1fdbac882e..0320508b66b3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -30,7 +30,6 @@ struct i915_lut_handle {
struct drm_i915_gem_object_ops { unsigned int flags; -#define I915_GEM_OBJECT_HAS_STRUCT_PAGE BIT(0) #define I915_GEM_OBJECT_HAS_IOMEM BIT(1) #define I915_GEM_OBJECT_IS_SHRINKABLE BIT(2) #define I915_GEM_OBJECT_IS_PROXY BIT(3) @@ -171,9 +170,12 @@ struct drm_i915_gem_object { unsigned long flags; #define I915_BO_ALLOC_CONTIGUOUS BIT(0) #define I915_BO_ALLOC_VOLATILE BIT(1) -#define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | I915_BO_ALLOC_VOLATILE) -#define I915_BO_READONLY BIT(2) -#define I915_TILING_QUIRK_BIT 3 /* unknown swizzling; do not release! */ +#define I915_BO_ALLOC_STRUCT_PAGE BIT(2) +#define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | \ + I915_BO_ALLOC_VOLATILE | \ + I915_BO_ALLOC_STRUCT_PAGE) +#define I915_BO_READONLY BIT(3) +#define I915_TILING_QUIRK_BIT 4 /* unknown swizzling; do not release! */
/* * Is the object to be mapped as read-only to the GPU diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c index d44b72dd13fe..bf61b88a2113 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c @@ -333,13 +333,12 @@ void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj, enum i915_map_type type) { enum i915_map_type has_type; - unsigned int flags; bool pinned; void *ptr; int err;
- flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | I915_GEM_OBJECT_HAS_IOMEM; - if (!i915_gem_object_type_has(obj, flags)) + if (!i915_gem_object_has_struct_page(obj) && + !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM)) return ERR_PTR(-ENXIO);
err = mutex_lock_interruptible_nested(&obj->mm.lock, I915_MM_GET_PAGES); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c index 01fe89afe8c0..d1bf543d111a 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c @@ -240,6 +240,7 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align) pages = __i915_gem_object_unset_pages(obj);
obj->ops = &i915_gem_phys_ops; + obj->flags &= ~I915_BO_ALLOC_STRUCT_PAGE;
err = ____i915_gem_object_get_pages(obj); if (err) @@ -258,6 +259,7 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align)
err_xfer: obj->ops = &i915_gem_shmem_ops; + obj->flags |= I915_BO_ALLOC_STRUCT_PAGE; if (!IS_ERR_OR_NULL(pages)) { unsigned int sg_page_sizes = i915_sg_page_sizes(pages->sgl);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_region.c b/drivers/gpu/drm/i915/gem/i915_gem_region.c index 77dfa908f156..6a84fb6dde24 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_region.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_region.c @@ -106,13 +106,11 @@ i915_gem_object_get_pages_buddy(struct drm_i915_gem_object *obj) }
void i915_gem_object_init_memory_region(struct drm_i915_gem_object *obj, - struct intel_memory_region *mem, - unsigned long flags) + struct intel_memory_region *mem) { INIT_LIST_HEAD(&obj->mm.blocks); obj->mm.region = intel_memory_region_get(mem);
- obj->flags |= flags; if (obj->base.size <= mem->min_page_size) obj->flags |= I915_BO_ALLOC_CONTIGUOUS;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_region.h b/drivers/gpu/drm/i915/gem/i915_gem_region.h index f2ff6f8bff74..ebddc86d78f7 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_region.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_region.h @@ -17,8 +17,7 @@ void i915_gem_object_put_pages_buddy(struct drm_i915_gem_object *obj, struct sg_table *pages);
void i915_gem_object_init_memory_region(struct drm_i915_gem_object *obj, - struct intel_memory_region *mem, - unsigned long flags); + struct intel_memory_region *mem); void i915_gem_object_release_memory_region(struct drm_i915_gem_object *obj);
struct drm_i915_gem_object * diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c index 680b370a8ef3..bb82b3bc8830 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -430,8 +430,7 @@ static void shmem_release(struct drm_i915_gem_object *obj)
const struct drm_i915_gem_object_ops i915_gem_shmem_ops = { .name = "i915_gem_object_shmem", - .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | - I915_GEM_OBJECT_IS_SHRINKABLE, + .flags = I915_GEM_OBJECT_IS_SHRINKABLE,
.get_pages = shmem_get_pages, .put_pages = shmem_put_pages, @@ -491,7 +490,8 @@ static int shmem_object_init(struct intel_memory_region *mem, mapping_set_gfp_mask(mapping, mask); GEM_BUG_ON(!(mapping_gfp_mask(mapping) & __GFP_RECLAIM));
- i915_gem_object_init(obj, &i915_gem_shmem_ops, &lock_class); + i915_gem_object_init(obj, &i915_gem_shmem_ops, &lock_class, + I915_BO_ALLOC_STRUCT_PAGE);
obj->write_domain = I915_GEM_DOMAIN_CPU; obj->read_domains = I915_GEM_DOMAIN_CPU; @@ -515,7 +515,7 @@ static int shmem_object_init(struct intel_memory_region *mem,
i915_gem_object_set_cache_coherency(obj, cache_level);
- i915_gem_object_init_memory_region(obj, mem, 0); + i915_gem_object_init_memory_region(obj, mem);
return 0; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index c5f85296a45f..7cdb32d881d9 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -630,7 +630,7 @@ static int __i915_gem_object_create_stolen(struct intel_memory_region *mem, int err;
drm_gem_private_object_init(&mem->i915->drm, &obj->base, stolen->size); - i915_gem_object_init(obj, &i915_gem_object_stolen_ops, &lock_class); + i915_gem_object_init(obj, &i915_gem_object_stolen_ops, &lock_class, 0);
obj->stolen = stolen; obj->read_domains = I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT; @@ -641,7 +641,7 @@ static int __i915_gem_object_create_stolen(struct intel_memory_region *mem, if (err) return err;
- i915_gem_object_init_memory_region(obj, mem, 0); + i915_gem_object_init_memory_region(obj, mem);
return 0; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 3e4785c2dfa2..0f9024c62c06 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -702,8 +702,7 @@ i915_gem_userptr_dmabuf_export(struct drm_i915_gem_object *obj)
static const struct drm_i915_gem_object_ops i915_gem_userptr_ops = { .name = "i915_gem_object_userptr", - .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | - I915_GEM_OBJECT_IS_SHRINKABLE | + .flags = I915_GEM_OBJECT_IS_SHRINKABLE | I915_GEM_OBJECT_NO_MMAP | I915_GEM_OBJECT_ASYNC_CANCEL, .get_pages = i915_gem_userptr_get_pages, @@ -796,7 +795,8 @@ i915_gem_userptr_ioctl(struct drm_device *dev, return -ENOMEM;
drm_gem_private_object_init(dev, &obj->base, args->user_size); - i915_gem_object_init(obj, &i915_gem_userptr_ops, &lock_class); + i915_gem_object_init(obj, &i915_gem_userptr_ops, &lock_class, + I915_BO_ALLOC_STRUCT_PAGE); obj->read_domains = I915_GEM_DOMAIN_CPU; obj->write_domain = I915_GEM_DOMAIN_CPU; i915_gem_object_set_cache_coherency(obj, I915_CACHE_LLC); diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c b/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c index 2fb501a78a85..0c8ecfdf5405 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c @@ -89,7 +89,6 @@ static void huge_put_pages(struct drm_i915_gem_object *obj,
static const struct drm_i915_gem_object_ops huge_ops = { .name = "huge-gem", - .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE, .get_pages = huge_get_pages, .put_pages = huge_put_pages, }; @@ -115,7 +114,8 @@ huge_gem_object(struct drm_i915_private *i915, return ERR_PTR(-ENOMEM);
drm_gem_private_object_init(&i915->drm, &obj->base, dma_size); - i915_gem_object_init(obj, &huge_ops, &lock_class); + i915_gem_object_init(obj, &huge_ops, &lock_class, + I915_BO_ALLOC_STRUCT_PAGE);
obj->read_domains = I915_GEM_DOMAIN_CPU; obj->write_domain = I915_GEM_DOMAIN_CPU; diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c index 10ee24b252dd..515dbc468175 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c @@ -140,8 +140,7 @@ static void put_huge_pages(struct drm_i915_gem_object *obj,
static const struct drm_i915_gem_object_ops huge_page_ops = { .name = "huge-gem", - .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | - I915_GEM_OBJECT_IS_SHRINKABLE, + .flags = I915_GEM_OBJECT_IS_SHRINKABLE, .get_pages = get_huge_pages, .put_pages = put_huge_pages, }; @@ -168,7 +167,8 @@ huge_pages_object(struct drm_i915_private *i915, return ERR_PTR(-ENOMEM);
drm_gem_private_object_init(&i915->drm, &obj->base, size); - i915_gem_object_init(obj, &huge_page_ops, &lock_class); + i915_gem_object_init(obj, &huge_page_ops, &lock_class, + I915_BO_ALLOC_STRUCT_PAGE);
i915_gem_object_set_volatile(obj); i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE); @@ -317,9 +317,9 @@ fake_huge_pages_object(struct drm_i915_private *i915, u64 size, bool single) drm_gem_private_object_init(&i915->drm, &obj->base, size);
if (single) - i915_gem_object_init(obj, &fake_ops_single, &lock_class); + i915_gem_object_init(obj, &fake_ops_single, &lock_class, 0); else - i915_gem_object_init(obj, &fake_ops, &lock_class); + i915_gem_object_init(obj, &fake_ops, &lock_class, 0);
i915_gem_object_set_volatile(obj); i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE); diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index 39293d98f34d..49f17708c143 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -819,9 +819,8 @@ static bool can_mmap(struct drm_i915_gem_object *obj, enum i915_mmap_type type) return false;
if (type != I915_MMAP_TYPE_GTT && - !i915_gem_object_type_has(obj, - I915_GEM_OBJECT_HAS_STRUCT_PAGE | - I915_GEM_OBJECT_HAS_IOMEM)) + !i915_gem_object_has_struct_page(obj) && + !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM)) return false;
return true; @@ -961,10 +960,8 @@ static const char *repr_mmap_type(enum i915_mmap_type type)
static bool can_access(const struct drm_i915_gem_object *obj) { - unsigned int flags = - I915_GEM_OBJECT_HAS_STRUCT_PAGE | I915_GEM_OBJECT_HAS_IOMEM; - - return i915_gem_object_type_has(obj, flags); + return i915_gem_object_has_struct_page(obj) || + i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM); }
static int __igt_mmap_access(struct drm_i915_private *i915, diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_phys.c index b62d02cb9579..338dada88359 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_phys.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_phys.c @@ -25,12 +25,24 @@ static int mock_phys_object(void *arg) goto out; }
+ if (!i915_gem_object_has_struct_page(obj)) { + err = -EINVAL; + pr_err("shmem has no struct page\n"); + goto out_obj; + } + err = i915_gem_object_attach_phys(obj, PAGE_SIZE); if (err) { pr_err("i915_gem_object_attach_phys failed, err=%d\n", err); goto out_obj; }
+ if (i915_gem_object_has_struct_page(obj)) { + err = -EINVAL; + pr_err("shmem has a struct page\n"); + goto out_obj; + } + if (obj->ops != &i915_gem_phys_ops) { pr_err("i915_gem_object_attach_phys did not create a phys object\n"); err = -EINVAL; diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c index c3eb3838fe88..d4f883f35b95 100644 --- a/drivers/gpu/drm/i915/gvt/dmabuf.c +++ b/drivers/gpu/drm/i915/gvt/dmabuf.c @@ -218,7 +218,7 @@ static struct drm_i915_gem_object *vgpu_create_gem(struct drm_device *dev,
drm_gem_private_object_init(dev, &obj->base, roundup(info->size, PAGE_SIZE)); - i915_gem_object_init(obj, &intel_vgpu_gem_ops, &lock_class); + i915_gem_object_init(obj, &intel_vgpu_gem_ops, &lock_class, 0); i915_gem_object_set_readonly(obj);
obj->read_domains = I915_GEM_DOMAIN_GTT; diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index c1adea8765a9..5be6dcf4357e 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -121,7 +121,7 @@ fake_dma_object(struct drm_i915_private *i915, u64 size) goto err;
drm_gem_private_object_init(&i915->drm, &obj->base, size); - i915_gem_object_init(obj, &fake_ops, &lock_class); + i915_gem_object_init(obj, &fake_ops, &lock_class, 0);
i915_gem_object_set_volatile(obj);
diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c index 3c6021415274..5d2d010a1e22 100644 --- a/drivers/gpu/drm/i915/selftests/mock_region.c +++ b/drivers/gpu/drm/i915/selftests/mock_region.c @@ -27,13 +27,13 @@ static int mock_object_init(struct intel_memory_region *mem, return -E2BIG;
drm_gem_private_object_init(&i915->drm, &obj->base, size); - i915_gem_object_init(obj, &mock_region_obj_ops, &lock_class); + i915_gem_object_init(obj, &mock_region_obj_ops, &lock_class, flags);
obj->read_domains = I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT;
i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
- i915_gem_object_init_memory_region(obj, mem, flags); + i915_gem_object_init_memory_region(obj, mem);
return 0; }