diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c
index 5f0ee24e31b8d5abd4240c054383b92dea73edc6..d633669b52dc4ca77324593a7cc1f7d868894d87 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c
@@ -31,7 +31,7 @@
 #define KHZ (1000)
 #define MHZ (KHZ * 1000)
 
-#define MASK(w)	((1 << w) - 1)
+#define MASK(w)	((1 << (w)) - 1)
 
 #define GPCPLL_CFG		(SYS_GPCPLL_CFG_BASE + 0)
 #define GPCPLL_CFG_ENABLE	BIT(0)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gm20b.c
index 71b2bbb6197304ca3dea55821dd7ed83e809ce44..274a74c14fe78ce1ac06d08a4ae5dff208e61f3d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gm20b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gm20b.c
@@ -29,7 +29,7 @@
 #define KHZ (1000)
 #define MHZ (KHZ * 1000)
 
-#define MASK(w)	((1 << w) - 1)
+#define MASK(w)	((1 << (w)) - 1)
 
 #define BYPASSCTRL_SYS	(SYS_GPCPLL_CFG_BASE + 0x340)
 #define BYPASSCTRL_SYS_GPCPLL_SHIFT	0