Revert "drm/radeon: Use drm_calloc_ab for CS relocs"

This reverts commit 961bd135.

Both Satoshi-san and Cal reported a kernel crash due to this commit.
Reported-by: Satoshi Iwamoto <satoshi.iwamoto@nifty.ne.jp>
Reported-by: Cal Peake <cp@absolutedigital.net>
Signed-off-by: Zefan Li <lizefan@huawei.com>

drivers/gpu/drm/radeon/radeon_cs.c

@@ -49,7 +49,7 @@ int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
 	if (p->relocs_ptr == NULL) {
 		return -ENOMEM;
 	}
-	p->relocs = drm_calloc_large(p->nrelocs, sizeof(struct radeon_bo_list));
+	p->relocs = kcalloc(p->nrelocs, sizeof(struct radeon_cs_reloc), GFP_KERNEL);
 	if (p->relocs == NULL) {
 		return -ENOMEM;
 	}
@@ -324,7 +324,7 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
 		}
 	}
 	kfree(parser->track);
-	drm_free_large(parser->relocs);
+	kfree(parser->relocs);
 	kfree(parser->relocs_ptr);
 	for (i = 0; i < parser->nchunks; i++) {
 		kfree(parser->chunks[i].kdata);