diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c
index 158977f8a6e6..c3dae05348eb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c
@@ -119,11 +119,11 @@ powerctrl_1_shift(int chip_version, int reg)
 
 	switch (reg) {
 	case 0x680520:
-		shift += 4;
+		shift += 4; /* fall through */
 	case 0x680508:
-		shift += 4;
+		shift += 4; /* fall through */
 	case 0x680504:
-		shift += 4;
+		shift += 4; /* fall through */
 	case 0x680500:
 		shift += 4;
 	}
@@ -245,11 +245,11 @@ setPLL_double_highregs(struct nvkm_devinit *init, u32 reg1,
 
 		switch (reg1) {
 		case 0x680504:
-			shift_c040 += 2;
+			shift_c040 += 2; /* fall through */
 		case 0x680500:
-			shift_c040 += 2;
+			shift_c040 += 2; /* fall through */
 		case 0x680520:
-			shift_c040 += 2;
+			shift_c040 += 2; /* fall through */
 		case 0x680508:
 			shift_c040 += 2;
 		}