anv: Set L3 full way allocation at context init if L3 cfg is NULL

[mesa.git] / src / intel / vulkan / genX_state.c

diff --git a/src/intel/vulkan/genX_state.c b/src/intel/vulkan/genX_state.c
index 3c5033459d059dcc8aee5e5f1bb851e29cee04c8..316a56ab73068ecdb4d89d3fac105e94358a4cbd 100644 (file)
--- a/src/intel/vulkan/genX_state.c
+++ b/src/intel/vulkan/genX_state.c
@@ -294,6 +294,20 @@ genX(init_device_state)(struct anv_device *device)
 #endif
    }
 
+#if GEN_GEN >= 12
+   const struct gen_l3_config *cfg = gen_get_default_l3_config(&device->info);
+   if (!cfg) {
+      /* Platforms with no configs just setup full-way allocation. */
+      uint32_t l3cr;
+      anv_pack_struct(&l3cr, GENX(L3ALLOC),
+                      .L3FullWayAllocationEnable = true);
+      anv_batch_emit(&batch, GENX(MI_LOAD_REGISTER_IMM), lri) {
+         lri.RegisterOffset = GENX(L3ALLOC_num);
+         lri.DataDWord      = l3cr;
+      }
+   }
+#endif
+
    anv_batch_emit(&batch, GENX(MI_BATCH_BUFFER_END), bbe);
 
    assert(batch.next <= batch.end);