File revert-clflushopt.diff of Package drm

Revert commits
2a0c772f1967565d5b71a98012e74d5a7bddc1c4
2a0788dc9bc46789ec98aea0f30c6fb420196b12
7927096868061ff10fdb33b295dc0bcfebe2b35b

---
 drivers/gpu/drm/drm_cache.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -50,7 +50,7 @@ drm_clflush_page(struct page *page)
 
 	page_virtual = kmap_atomic(page);
 	for (i = 0; i < PAGE_SIZE; i += size)
-		clflushopt(page_virtual + i);
+		clflush(page_virtual + i);
 	kunmap_atomic(page_virtual);
 }
 
@@ -138,8 +138,8 @@ drm_clflush_virt_range(void *addr, unsig
 		void *end = addr + length;
 		mb();
 		for (; addr < end; addr += boot_cpu_data.x86_clflush_size)
-			clflushopt(addr);
-		clflushopt(end - 1);
+			clflush(addr);
+		clflush(end - 1);
 		mb();
 		return;
 	}