drm/nva3/pm: parse/reclock vdec/41a0 clocks

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 b0e995f..b00cf4b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ b/drivers/gpu/drm/nouveau/nouveau_perf.c
@@ -291,6 +291,8 @@
 				perflvl->core = ROM16(subent(0)) & 0xfff;
 				perflvl->shader = ROM16(subent(1)) & 0xfff;
 				perflvl->memory = ROM16(subent(2)) & 0xfff;
+				perflvl->vdec   = ROM16(subent(3)) & 0xfff;
+				perflvl->unka0  = ROM16(subent(4)) & 0xfff;
 			} else {
 				perflvl->shader = ROM16(subent(3)) & 0xfff;
 				perflvl->core   = perflvl->shader / 2;
@@ -302,6 +304,8 @@
 			perflvl->shader *= 1000;
 			perflvl->memory *= 1000;
 			perflvl->unk0a *= 1000;
+			perflvl->vdec *= 1000;
+			perflvl->unka0 *= 1000;
 			break;
 		}