drm/nouveau: fix thinkos in mem timing table recordlen check

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 00b31b5..a163c7c 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -35,6 +35,8 @@
 #include "drm_sarea.h"
 #include "nouveau_drv.h"
 
+#define MIN(a,b) a < b ? a : b
+
 /*
  * NV10-NV40 tiling helpers
  */
@@ -717,14 +719,14 @@ nouveau_mem_timing_init(struct drm_device *dev)
                tUNK_19 = 1;
                tUNK_20 = 0;
                tUNK_21 = 0;
-               switch (recordlen) {
-               case 0x21:
+               switch (MIN(recordlen,21)) {
+               case 21:
                        tUNK_21 = entry[21];
-               case 0x20:
+               case 20:
                        tUNK_20 = entry[20];
-               case 0x19:
+               case 19:
                        tUNK_19 = entry[19];
-               case 0x18:
+               case 18:
                        tUNK_18 = entry[18];
                default:
                        tUNK_0  = entry[0];