diff --git a/src/amd/vulkan/radv_pipeline_rt.c b/src/amd/vulkan/radv_pipeline_rt.c
index 171d6f33abf..c7f3047f561 100644
--- a/src/amd/vulkan/radv_pipeline_rt.c
+++ b/src/amd/vulkan/radv_pipeline_rt.c
@@ -732,6 +732,8 @@ compile_rt_prolog(struct radv_device *device, struct radv_ray_tracing_pipeline *
       combine_config(config, &pipeline->base.base.shaders[MESA_SHADER_INTERSECTION]->config);
 
    postprocess_rt_config(config, device->physical_device->rad_info.gfx_level, device->physical_device->rt_wave_size);
+
+   pipeline->prolog->max_waves = radv_get_max_waves(device, config, &pipeline->prolog->info);
 }
 
 static VkResult
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 89185c059ba..a0ce999f8d5 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -2051,7 +2051,7 @@ radv_shader_upload(struct radv_device *device, struct radv_shader *shader, const
    return true;
 }
 
-static unsigned
+unsigned
 radv_get_max_waves(const struct radv_device *device, const struct ac_shader_config *conf,
                    const struct radv_shader_info *info)
 {
diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h
index 3f0682eddb3..c4ceed01d1d 100644
--- a/src/amd/vulkan/radv_shader.h
+++ b/src/amd/vulkan/radv_shader.h
@@ -803,6 +803,9 @@ struct radv_shader_part *radv_shader_part_cache_get(struct radv_device *device,
 uint64_t radv_shader_get_va(const struct radv_shader *shader);
 struct radv_shader *radv_find_shader(struct radv_device *device, uint64_t pc);
 
+unsigned radv_get_max_waves(const struct radv_device *device, const struct ac_shader_config *conf,
+                            const struct radv_shader_info *info);
+
 unsigned radv_get_max_scratch_waves(const struct radv_device *device, struct radv_shader *shader);
 
 const char *radv_get_shader_name(const struct radv_shader_info *info, gl_shader_stage stage);