diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h
index b1d2cd60f2b..20729a4e676 100644
--- a/src/amd/vulkan/radv_shader.h
+++ b/src/amd/vulkan/radv_shader.h
@@ -200,8 +200,8 @@ enum radv_ud_index {
 #define TCS_OFFCHIP_LAYOUT_PATCH_CONTROL_POINTS__SHIFT 0
 #define TCS_OFFCHIP_LAYOUT_PATCH_CONTROL_POINTS__MASK  0x3f
 #define TCS_OFFCHIP_LAYOUT_NUM_PATCHES__SHIFT          6
-#define TCS_OFFCHIP_LAYOUT_NUM_PATCHES__MASK           0xff
-#define TCS_OFFCHIP_LAYOUT_LSHS_VERTEX_STRIDE__SHIFT   14
+#define TCS_OFFCHIP_LAYOUT_NUM_PATCHES__MASK           0x3f
+#define TCS_OFFCHIP_LAYOUT_LSHS_VERTEX_STRIDE__SHIFT   12
 #define TCS_OFFCHIP_LAYOUT_LSHS_VERTEX_STRIDE__MASK    0xff /* max 32 * 4 + 1 (to reduce LDS bank conflicts) */
 
 #define TES_STATE_NUM_PATCHES__SHIFT      0
diff --git a/src/amd/vulkan/radv_shader_args.h b/src/amd/vulkan/radv_shader_args.h
index efb103b6183..7783d36ddeb 100644
--- a/src/amd/vulkan/radv_shader_args.h
+++ b/src/amd/vulkan/radv_shader_args.h
@@ -65,7 +65,7 @@ struct radv_shader_args {
 
    /* TCS */
    /* # [0:5] = the number of patch control points
-    * # [6:13] = the number of tessellation patches
+    * # [6:11] = the number of tessellation patches
     */
    struct ac_arg tcs_offchip_layout;
    struct ac_arg tcs_epilog_pc;