1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 9759009d1da3..b1480acbb3c3 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -227,7 +227,7 @@ static int ast_get_dram_info(struct drm_device *dev)
         } while (ast_read32(ast, 0x10000) != 0x01);
         data = ast_read32(ast, 0x10004);
 
-        if (data & 0x400)
+        if (data & 0x40)
                 ast->dram_bus_width = 16;
         else
                 ast->dram_bus_width = 32;