hasvk: Require HAS_EXEC_ASYNC

This feature is as old as the Vulkan driver itself.  We've required
newer kernels for a long time.  There's no point in having this feature
bit kicking around.

Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36783>

src/intel/vulkan_hasvk/anv_allocator.c

@@ -1527,7 +1527,7 @@ anv_bo_alloc_flags_to_bo_flags(struct anv_device *device,
       bo_flags |= EXEC_OBJECT_WRITE;
    }
 
-   if (!(alloc_flags & ANV_BO_ALLOC_IMPLICIT_SYNC) && pdevice->has_exec_async)
+   if (!(alloc_flags & ANV_BO_ALLOC_IMPLICIT_SYNC))
       bo_flags |= EXEC_OBJECT_ASYNC;
 
    if (pdevice->use_softpin)

src/intel/vulkan_hasvk/anv_device.c

@@ -1699,8 +1699,12 @@ anv_physical_device_try_create(struct vk_instance *vk_instance,
       goto fail_base;
    }
 
-   if (intel_gem_get_param(fd, I915_PARAM_HAS_EXEC_ASYNC, &val))
-      device->has_exec_async = val;
+   if (!intel_gem_get_param(fd, I915_PARAM_HAS_EXEC_ASYNC, &val) || !val) {
+      result = vk_errorf(device, VK_ERROR_INITIALIZATION_FAILED,
+                         "kernel missing exec async support");
+      goto fail_base;
+   }
+
    if (intel_gem_get_param(fd, I915_PARAM_HAS_EXEC_CAPTURE, &val))
       device->has_exec_capture = val;
 

src/intel/vulkan_hasvk/anv_private.h

@@ -859,7 +859,6 @@ struct anv_physical_device {
      */
     uint32_t                                    n_perf_query_commands;
     int                                         cmd_parser_version;
-    bool                                        has_exec_async;
     bool                                        has_exec_capture;
     int                                         max_context_priority;
     uint64_t                                    gtt_size;