remove i915_gem_object_map() removed in linux 5.10

diff --git a/sys/dev/pci/drm/i915/gem/i915_gem_pages.c b/sys/dev/pci/drm/i915/gem/i915_gem_pages.c
index eaa5ac0..e6afce0 100644 (file)
--- a/sys/dev/pci/drm/i915/gem/i915_gem_pages.c
+++ b/sys/dev/pci/drm/i915/gem/i915_gem_pages.c
@@ -356,75 +356,6 @@ static void *i915_gem_object_map_pfn(struct drm_i915_gem_object *obj,
        return vaddr ?: ERR_PTR(-ENOMEM);
 }
 
-static void *i915_gem_object_map(struct drm_i915_gem_object *obj,
-                                enum i915_map_type type)
-{
-       unsigned long n_pages = obj->base.size >> PAGE_SHIFT;
-       struct sg_table *sgt = obj->mm.pages;
-       struct vm_page *stack_pages[32];
-       struct vm_page **pages = stack_pages;
-       struct vm_struct *area;
-       pgprot_t pgprot;
-       void *addr;
-
-       if (!i915_gem_object_has_struct_page(obj) && type != I915_MAP_WC)
-               return NULL;
-
-#if 0
-       /* A single page can always be kmapped */
-       if (n_pages == 1 && type == I915_MAP_WB)
-               return kmap(sg_page(sgt->sgl));
-#endif
-
-       if (n_pages > ARRAY_SIZE(stack_pages)) {
-               /* Too big for stack -- allocate temporary array instead */
-               pages = kvmalloc_array(n_pages, sizeof(*pages), GFP_KERNEL);
-               if (!pages)
-                       return NULL;
-       }
-
-       switch (type) {
-       default:
-               MISSING_CASE(type);
-               /* fallthrough - to use PAGE_KERNEL anyway */
-       case I915_MAP_WB:
-               pgprot = PAGE_KERNEL;
-               break;
-       case I915_MAP_WC:
-               pgprot = pgprot_writecombine(PAGE_KERNEL_IO);
-               break;
-       }
-
-       if (i915_gem_object_has_struct_page(obj)) {
-               struct sgt_iter iter;
-               struct vm_page *page;
-               unsigned long i = 0;
-
-               for_each_sgt_page(page, iter, sgt)
-                       pages[i++] = page;
-       } else {
-               STUB();
-#ifdef notyet
-               resource_size_t iomap;
-               struct sgt_iter iter;
-               pte_t **ptes = mem;
-               dma_addr_t addr;
-
-               iomap = obj->mm.region->iomap.base;
-               iomap -= obj->mm.region->region.start;
-
-               for_each_sgt_daddr(addr, iter, sgt)
-                       **ptes++ = iomap_pte(iomap, addr, pgprot);
-#endif
-       }
-       addr = vmap(pages, n_pages, 0, pgprot);
-
-       if (pages != stack_pages)
-               kvfree(pages);
-
-       return addr;
-}
-
 /* get, pin, and map the pages of the object into kernel space */
 void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj,
                              enum i915_map_type type)