diff --git a/src/gallium/drivers/d3d12/d3d12_compiler.cpp b/src/gallium/drivers/d3d12/d3d12_compiler.cpp
index cef712712e3..f48c94f41ba 100644
--- a/src/gallium/drivers/d3d12/d3d12_compiler.cpp
+++ b/src/gallium/drivers/d3d12/d3d12_compiler.cpp
@@ -743,6 +743,7 @@ d3d12_compare_shader_keys(const d3d12_shader_key *expect, const d3d12_shader_key
           expect->hs.ccw != have->hs.ccw ||
           expect->hs.point_mode != have->hs.point_mode ||
           expect->hs.spacing != have->hs.spacing ||
+          expect->hs.patch_vertices_in != have->hs.patch_vertices_in ||
           memcmp(&expect->hs.required_patch_outputs, &have->hs.required_patch_outputs,
                  sizeof(struct d3d12_varying_info)) ||
           expect->hs.next_patch_inputs != have->hs.next_patch_inputs)
@@ -978,6 +979,7 @@ d3d12_fill_shader_key(struct d3d12_selection_context *sel_ctx,
          key->hs.point_mode = false;
          key->hs.spacing = TESS_SPACING_EQUAL;
       }
+      key->hs.patch_vertices_in = MAX2(sel_ctx->ctx->patch_vertices, 1);
    } else if (stage == PIPE_SHADER_TESS_EVAL) {
       if (prev && prev->current->nir->info.stage == MESA_SHADER_TESS_CTRL)
          key->ds.tcs_vertices_out = prev->current->nir->info.tess.tcs_vertices_out;
@@ -1147,6 +1149,8 @@ select_shader_variant(struct d3d12_selection_context *sel_ctx, d3d12_shader_sele
       new_nir_variant->info.tess.ccw = key.hs.ccw;
       new_nir_variant->info.tess.point_mode = key.hs.point_mode;
       new_nir_variant->info.tess.spacing = key.hs.spacing;
+
+      NIR_PASS_V(new_nir_variant, dxil_nir_set_tcs_patches_in, key.hs.patch_vertices_in);
    } else if (new_nir_variant->info.stage == MESA_SHADER_TESS_EVAL) {
       new_nir_variant->info.tess.tcs_vertices_out = key.ds.tcs_vertices_out;
    }
diff --git a/src/gallium/drivers/d3d12/d3d12_compiler.h b/src/gallium/drivers/d3d12/d3d12_compiler.h
index 823d395d578..aed79f95c1e 100644
--- a/src/gallium/drivers/d3d12/d3d12_compiler.h
+++ b/src/gallium/drivers/d3d12/d3d12_compiler.h
@@ -120,6 +120,7 @@ struct d3d12_shader_key {
       unsigned ccw:1;
       unsigned point_mode:1;
       unsigned spacing:2;
+      unsigned patch_vertices_in:5;
       struct d3d12_varying_info required_patch_outputs;
       uint32_t next_patch_inputs;
    } hs;
diff --git a/src/microsoft/compiler/dxil_nir.h b/src/microsoft/compiler/dxil_nir.h
index fe4ecf56aed..1d04fe73c95 100644
--- a/src/microsoft/compiler/dxil_nir.h
+++ b/src/microsoft/compiler/dxil_nir.h
@@ -70,6 +70,7 @@ dxil_reassign_driver_locations(nir_shader* s, nir_variable_mode modes,
 
 void dxil_nir_split_tess_ctrl(nir_shader *nir, nir_function **patch_const_func);
 bool dxil_nir_fixup_tess_level_for_domain(nir_shader *nir);
+bool dxil_nir_set_tcs_patches_in(nir_shader *nir, unsigned num_control_points);
 bool dxil_nir_lower_ubo_array_one_to_static(nir_shader *s);
 
 #ifdef __cplusplus
diff --git a/src/microsoft/compiler/dxil_nir_tess.c b/src/microsoft/compiler/dxil_nir_tess.c
index 21ddd25b542..2adf3f8bc59 100644
--- a/src/microsoft/compiler/dxil_nir_tess.c
+++ b/src/microsoft/compiler/dxil_nir_tess.c
@@ -355,3 +355,35 @@ dxil_nir_fixup_tess_level_for_domain(nir_shader *nir)
    }
    return progress;
 }
+
+static bool
+tcs_update_deref_input_types(nir_builder *b, nir_instr *instr, void *data)
+{
+   if (instr->type != nir_instr_type_deref)
+      return false;
+
+   nir_deref_instr *deref = nir_instr_as_deref(instr);
+   if (deref->deref_type != nir_deref_type_var)
+      return false;
+
+   nir_variable *var = deref->var;
+   deref->type = var->type;
+   return true;
+}
+
+bool
+dxil_nir_set_tcs_patches_in(nir_shader *nir, unsigned num_control_points)
+{
+   bool progress = false;
+   nir_foreach_variable_with_modes(var, nir, nir_var_shader_in) {
+      if (nir_is_arrayed_io(var, MESA_SHADER_TESS_CTRL)) {
+         var->type = glsl_array_type(glsl_get_array_element(var->type), num_control_points, 0);
+         progress = true;
+      }
+   }
+
+   if (progress)
+      nir_shader_instructions_pass(nir, tcs_update_deref_input_types, nir_metadata_all, NULL);
+
+   return progress;
+}