drm: drop drm_[cm]alloc* helpers

Now that drm_[cm]alloc* helpers are simple one line wrappers around
kvmalloc_array and drm_free_large is just kvfree alias we can drop
them and replace by their native forms.

This shouldn't introduce any functional change.

Changes since v1
- fix typo in drivers/gpu//drm/etnaviv/etnaviv_gem.c - noticed by 0day
  build robot

Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Michal Hocko <mhocko@suse.com>drm: drop drm_[cm]alloc* helpers
[danvet: Fixup vgem which grew another user very recently.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Christian König <christian.koenig@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517122312.GK18247@dhcp22.suse.cz
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d689e51..07f8798 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -229,7 +229,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
 	int ret;
 
 	total = READ_ONCE(dev_priv->mm.object_count);
-	objects = drm_malloc_ab(total, sizeof(*objects));
+	objects = kvmalloc_array(total, sizeof(*objects), GFP_KERNEL);
 	if (!objects)
 		return -ENOMEM;
 
@@ -274,7 +274,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
 
 	mutex_unlock(&dev->struct_mutex);
 out:
-	drm_free_large(objects);
+	kvfree(objects);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b6ac3df..0e07f35 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2504,7 +2504,7 @@ static void *i915_gem_object_map(const struct drm_i915_gem_object *obj,
 
 	if (n_pages > ARRAY_SIZE(stack_pages)) {
 		/* Too big for stack -- allocate temporary array instead */
-		pages = drm_malloc_gfp(n_pages, sizeof(*pages), GFP_TEMPORARY);
+		pages = kvmalloc_array(n_pages, sizeof(*pages), GFP_TEMPORARY);
 		if (!pages)
 			return NULL;
 	}
@@ -2526,7 +2526,7 @@ static void *i915_gem_object_map(const struct drm_i915_gem_object *obj,
 	addr = vmap(pages, n_pages, 0, pgprot);
 
 	if (pages != stack_pages)
-		drm_free_large(pages);
+		kvfree(pages);
 
 	return addr;
 }
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index a3e59c8..4ee2dc3 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1019,11 +1019,11 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	for (i = 0; i < count; i++)
 		total += exec[i].relocation_count;
 
-	reloc_offset = drm_malloc_ab(count, sizeof(*reloc_offset));
-	reloc = drm_malloc_ab(total, sizeof(*reloc));
+	reloc_offset = kvmalloc_array(count, sizeof(*reloc_offset), GFP_KERNEL);
+	reloc = kvmalloc_array(total, sizeof(*reloc), GFP_KERNEL);
 	if (reloc == NULL || reloc_offset == NULL) {
-		drm_free_large(reloc);
-		drm_free_large(reloc_offset);
+		kvfree(reloc);
+		kvfree(reloc_offset);
 		mutex_lock(&dev->struct_mutex);
 		return -ENOMEM;
 	}
@@ -1099,8 +1099,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	 */
 
 err:
-	drm_free_large(reloc);
-	drm_free_large(reloc_offset);
+	kvfree(reloc);
+	kvfree(reloc_offset);
 	return ret;
 }
 
@@ -1859,13 +1859,13 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	}
 
 	/* Copy in the exec list from userland */
-	exec_list = drm_malloc_ab(sizeof(*exec_list), args->buffer_count);
-	exec2_list = drm_malloc_ab(sizeof(*exec2_list), args->buffer_count);
+	exec_list = kvmalloc_array(sizeof(*exec_list), args->buffer_count, GFP_KERNEL);
+	exec2_list = kvmalloc_array(sizeof(*exec2_list), args->buffer_count, GFP_KERNEL);
 	if (exec_list == NULL || exec2_list == NULL) {
 		DRM_DEBUG("Failed to allocate exec list for %d buffers\n",
 			  args->buffer_count);
-		drm_free_large(exec_list);
-		drm_free_large(exec2_list);
+		kvfree(exec_list);
+		kvfree(exec2_list);
 		return -ENOMEM;
 	}
 	ret = copy_from_user(exec_list,
@@ -1874,8 +1874,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	if (ret != 0) {
 		DRM_DEBUG("copy %d exec entries failed %d\n",
 			  args->buffer_count, ret);
-		drm_free_large(exec_list);
-		drm_free_large(exec2_list);
+		kvfree(exec_list);
+		kvfree(exec2_list);
 		return -EFAULT;
 	}
 
@@ -1924,8 +1924,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 		}
 	}
 
-	drm_free_large(exec_list);
-	drm_free_large(exec2_list);
+	kvfree(exec_list);
+	kvfree(exec2_list);
 	return ret;
 }
 
@@ -1943,7 +1943,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	exec2_list = drm_malloc_gfp(args->buffer_count,
+	exec2_list = kvmalloc_array(args->buffer_count,
 				    sizeof(*exec2_list),
 				    GFP_TEMPORARY);
 	if (exec2_list == NULL) {
@@ -1957,7 +1957,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 	if (ret != 0) {
 		DRM_DEBUG("copy %d exec entries failed %d\n",
 			  args->buffer_count, ret);
-		drm_free_large(exec2_list);
+		kvfree(exec2_list);
 		return -EFAULT;
 	}
 
@@ -1984,6 +1984,6 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 		}
 	}
 
-	drm_free_large(exec2_list);
+	kvfree(exec2_list);
 	return ret;
 }
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 2aa6b97..7e3193a 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3102,7 +3102,7 @@ intel_rotate_pages(struct intel_rotation_info *rot_info,
 	int ret = -ENOMEM;
 
 	/* Allocate a temporary list of source pages for random access. */
-	page_addr_list = drm_malloc_gfp(n_pages,
+	page_addr_list = kvmalloc_array(n_pages,
 					sizeof(dma_addr_t),
 					GFP_TEMPORARY);
 	if (!page_addr_list)
@@ -3135,14 +3135,14 @@ intel_rotate_pages(struct intel_rotation_info *rot_info,
 	DRM_DEBUG_KMS("Created rotated page mapping for object size %zu (%ux%u tiles, %u pages)\n",
 		      obj->base.size, rot_info->plane[0].width, rot_info->plane[0].height, size);
 
-	drm_free_large(page_addr_list);
+	kvfree(page_addr_list);
 
 	return st;
 
 err_sg_alloc:
 	kfree(st);
 err_st_alloc:
-	drm_free_large(page_addr_list);
+	kvfree(page_addr_list);
 
 	DRM_DEBUG_KMS("Failed to create rotated mapping for object size %zu! (%ux%u tiles, %u pages)\n",
 		      obj->base.size, rot_info->plane[0].width, rot_info->plane[0].height, size);
diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
index 58ccf8b..1a0ce1d 100644
--- a/drivers/gpu/drm/i915/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
@@ -507,7 +507,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
 	ret = -ENOMEM;
 	pinned = 0;
 
-	pvec = drm_malloc_gfp(npages, sizeof(struct page *), GFP_TEMPORARY);
+	pvec = kvmalloc_array(npages, sizeof(struct page *), GFP_TEMPORARY);
 	if (pvec != NULL) {
 		struct mm_struct *mm = obj->userptr.mm->mm;
 		unsigned int flags = 0;
@@ -555,7 +555,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
 	mutex_unlock(&obj->mm.lock);
 
 	release_pages(pvec, pinned, 0);
-	drm_free_large(pvec);
+	kvfree(pvec);
 
 	i915_gem_object_put(obj);
 	put_task_struct(work->task);
@@ -642,7 +642,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
 	pinned = 0;
 
 	if (mm == current->mm) {
-		pvec = drm_malloc_gfp(num_pages, sizeof(struct page *),
+		pvec = kvmalloc_array(num_pages, sizeof(struct page *),
 				      GFP_TEMPORARY |
 				      __GFP_NORETRY |
 				      __GFP_NOWARN);
@@ -669,7 +669,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
 
 	if (IS_ERR(pages))
 		release_pages(pvec, pinned, 0);
-	drm_free_large(pvec);
+	kvfree(pvec);
 
 	return pages;
 }
diff --git a/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c b/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c
index 19860a3..7276194 100644
--- a/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c
@@ -117,7 +117,7 @@ static int igt_random_insert_remove(void *arg)
 
 	mock_engine_reset(engine);
 
-	waiters = drm_malloc_gfp(count, sizeof(*waiters), GFP_TEMPORARY);
+	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_TEMPORARY);
 	if (!waiters)
 		goto out_engines;
 
@@ -169,7 +169,7 @@ static int igt_random_insert_remove(void *arg)
 out_bitmap:
 	kfree(bitmap);
 out_waiters:
-	drm_free_large(waiters);
+	kvfree(waiters);
 out_engines:
 	mock_engine_flush(engine);
 	return err;
@@ -187,7 +187,7 @@ static int igt_insert_complete(void *arg)
 
 	mock_engine_reset(engine);
 
-	waiters = drm_malloc_gfp(count, sizeof(*waiters), GFP_TEMPORARY);
+	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_TEMPORARY);
 	if (!waiters)
 		goto out_engines;
 
@@ -254,7 +254,7 @@ static int igt_insert_complete(void *arg)
 out_bitmap:
 	kfree(bitmap);
 out_waiters:
-	drm_free_large(waiters);
+	kvfree(waiters);
 out_engines:
 	mock_engine_flush(engine);
 	return err;
@@ -368,7 +368,7 @@ static int igt_wakeup(void *arg)
 
 	mock_engine_reset(engine);
 
-	waiters = drm_malloc_gfp(count, sizeof(*waiters), GFP_TEMPORARY);
+	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_TEMPORARY);
 	if (!waiters)
 		goto out_engines;
 
@@ -454,7 +454,7 @@ static int igt_wakeup(void *arg)
 		put_task_struct(waiters[n].tsk);
 	}
 
-	drm_free_large(waiters);
+	kvfree(waiters);
 out_engines:
 	mock_engine_flush(engine);
 	return err;