nv30: Fix parsing of perf table
Perf tables v 1.2 and 1.3 (seen on Geforce FX/ 5) are not long enough
to store the voltage label/id
v2 - Remove comment from the code
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c
index ac62a1b..670e3cb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ b/drivers/gpu/drm/nouveau/nouveau_perf.c
@@ -134,7 +134,7 @@
case 0x13:
case 0x15:
perflvl->fanspeed = entry[55];
- perflvl->voltage = entry[56];
+ perflvl->voltage = (recordlen > 56) ? entry[56] : 0;
perflvl->core = ROM32(entry[1]) * 10;
perflvl->memory = ROM32(entry[5]) * 20;
break;