diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.h
index ea5b0bab4cce..7a93f9f40715 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.h
@@ -27,7 +27,7 @@
 #define KHZ (1000)
 #define MHZ (KHZ * 1000)
 
-#define MASK(w)	((1 << (w)) - 1)
+#define MASK(w)	((1U << (w)) - 1)
 
 #define GK20A_CLK_GPC_MDIV 1000
 
@@ -79,7 +79,7 @@
 #define GPC2CLK_OUT			(SYS_GPCPLL_CFG_BASE + 0x250)
 #define GPC2CLK_OUT_SDIV14_INDIV4_WIDTH	1
 #define GPC2CLK_OUT_SDIV14_INDIV4_SHIFT	31
-#define GPC2CLK_OUT_SDIV14_INDIV4_MODE	1
+#define GPC2CLK_OUT_SDIV14_INDIV4_MODE	1U
 #define GPC2CLK_OUT_VCODIV_WIDTH	6
 #define GPC2CLK_OUT_VCODIV_SHIFT	8
 #define GPC2CLK_OUT_VCODIV1		0