anv: enable perf warning logging in release builds

Call process_intel_debug_variable() early in anv_CreateInstance() so the
intel_debug bitset is populated, then set enable_debug_logging when
INTEL_DEBUG=perf is active. This makes anv_perf_warn() messages visible
in non-debug builds.

Signed-off-by: Michael Cheng <michael.cheng@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40551>

src/intel/vulkan/anv_instance.c

@@ -327,6 +327,9 @@ VkResult anv_CreateInstance(
    instance->debug = parse_debug_string(os_get_option("ANV_DEBUG"),
                                         debug_control);
 
+   process_intel_debug_variable();
+   instance->vk.enable_debug_logging = INTEL_DEBUG(DEBUG_PERF);
+
    intel_driver_ds_init();
 
    *pInstance = anv_instance_to_handle(instance);

src/intel/vulkan/anv_physical_device.c

@@ -2639,8 +2639,6 @@ anv_physical_device_try_create(struct vk_instance *vk_instance,
    int master_fd = -1;
    int ret;
 
-   process_intel_debug_variable();
-
    fd = open(path, O_RDWR | O_CLOEXEC);
    if (fd < 0) {
       if (errno == ENOMEM) {