diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 8f4fa2865de..fc507e34ef0 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -2691,6 +2691,7 @@ radv_emit_patch_control_points(struct radv_cmd_buffer *cmd_buffer)
 
    unsigned tcs_offchip_layout =
       SET_SGPR_FIELD(TCS_OFFCHIP_LAYOUT_PATCH_CONTROL_POINTS, d->vk.ts.patch_control_points - 1) |
+      SET_SGPR_FIELD(TCS_OFFCHIP_LAYOUT_OUT_PATCH_CP, tcs->info.tcs.tcs_vertices_out - 1) |
       SET_SGPR_FIELD(TCS_OFFCHIP_LAYOUT_NUM_PATCHES, cmd_buffer->state.tess_num_patches - 1) |
       SET_SGPR_FIELD(TCS_OFFCHIP_LAYOUT_NUM_LS_OUTPUTS, vs->info.vs.num_linked_outputs) |
       SET_SGPR_FIELD(TCS_OFFCHIP_LAYOUT_NUM_HS_OUTPUTS, tcs->info.tcs.num_linked_outputs) |
diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h
index 1a51e8abde4..c744f028745 100644
--- a/src/amd/vulkan/radv_shader.h
+++ b/src/amd/vulkan/radv_shader.h
@@ -252,6 +252,8 @@ enum radv_ud_index {
 #define TCS_OFFCHIP_LAYOUT_NUM_PATCHES__MASK           0x7f
 #define TCS_OFFCHIP_LAYOUT_PATCH_CONTROL_POINTS__SHIFT 12
 #define TCS_OFFCHIP_LAYOUT_PATCH_CONTROL_POINTS__MASK  0x1f
+#define TCS_OFFCHIP_LAYOUT_OUT_PATCH_CP__SHIFT         7
+#define TCS_OFFCHIP_LAYOUT_OUT_PATCH_CP__MASK          0x1f
 #define TCS_OFFCHIP_LAYOUT_NUM_LS_OUTPUTS__SHIFT       17
 #define TCS_OFFCHIP_LAYOUT_NUM_LS_OUTPUTS__MASK        0x3f
 #define TCS_OFFCHIP_LAYOUT_NUM_HS_OUTPUTS__SHIFT       23
diff --git a/src/amd/vulkan/radv_shader_args.h b/src/amd/vulkan/radv_shader_args.h
index d2f25fcbb5b..551ffe0b5d0 100644
--- a/src/amd/vulkan/radv_shader_args.h
+++ b/src/amd/vulkan/radv_shader_args.h
@@ -68,7 +68,7 @@ struct radv_shader_args {
 
    /* TCS */
    /* # [0:6] = the number of tessellation patches minus one, max = 127
-    * # [7:11] = reserved for future use
+    * # [7:11] = the number of output patch control points minus one, max = 31
     * # [12:16] = the number of input patch control points minus one, max = 31
     * # [17:22] = the number of LS outputs, up to 32
     * # [23:28] = the number of HS per-vertex outputs, up to 32