mesa radv prefer vram always

mesa_radv_prefer_vram_always.patch

diff --git a/src/amd/vulkan/radv_debug.h b/src/amd/vulkan/radv_debug.h
index 591bba3204b..3e88246d3bf 100644
--- a/src/amd/vulkan/radv_debug.h
+++ b/src/amd/vulkan/radv_debug.h
@@ -92,6 +92,7 @@ enum {
    RADV_PERFTEST_TRANSFER_QUEUE = 1u << 14,
    RADV_PERFTEST_SHADER_OBJECT = 1u << 15,
    RADV_PERFTEST_NIR_CACHE = 1u << 16,
+   RADV_PERFTEST_NO_GTT = 1u << 17,
 };
 
 bool radv_init_trace(struct radv_device *device);
diff --git a/src/amd/vulkan/radv_instance.c b/src/amd/vulkan/radv_instance.c
index 125191eb0e9..dd3fad2a16a 100644
--- a/src/amd/vulkan/radv_instance.c
+++ b/src/amd/vulkan/radv_instance.c
@@ -103,6 +103,7 @@ static const struct debug_control radv_perftest_options[] = {{"localbos", RADV_P
                                                              {"transfer_queue", RADV_PERFTEST_TRANSFER_QUEUE},
                                                              {"shader_object", RADV_PERFTEST_SHADER_OBJECT},
                                                              {"nircache", RADV_PERFTEST_NIR_CACHE},
+                                                             {"nogtt", RADV_PERFTEST_NO_GTT},
                                                              {NULL, 0}};
 
 const char *
diff --git a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
index 1a32f9b58d7..c0c484bc0a2 100644
--- a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
+++ b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
@@ -462,6 +462,7 @@ radv_amdgpu_winsys_bo_create(struct radeon_winsys *_ws, uint64_t size, unsigned
        * e.g. Horizon Zero Dawn allocates more memory than we have
        * VRAM.
        */
+   if (!(ws->perftest & RADV_PERFTEST_NO_GTT))
       request.preferred_heap |= AMDGPU_GEM_DOMAIN_GTT;
    }