anv/xe: add a 'flags' parameter to the vm_bind() kmd_backend function

For now there's only one flag, but we're about to add another.

Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28792>

src/intel/vulkan/anv_gem_stubs.c

@@ -153,7 +153,8 @@ anv_gem_import_bo_alloc_flags_to_bo_flags(struct anv_device *device,
 }
 
 static VkResult
-stub_vm_bind(struct anv_device *device, struct anv_sparse_submission *submit)
+stub_vm_bind(struct anv_device *device, struct anv_sparse_submission *submit,
+             enum anv_vm_bind_flags flags)
 {
    return VK_SUCCESS;
 }

src/intel/vulkan/anv_kmd_backend.h

@@ -58,6 +58,20 @@ struct anv_vm_bind {
    enum anv_vm_bind_op op;
 };
 
+/* These flags apply only to the vm_bind() ioctl backend operations, not to
+ * the higher-level concept of resource address binding. In other words: they
+ * don't apply to TR-TT, which also uses other structs with "vm_bind" in their
+ * names.
+ */
+enum anv_vm_bind_flags {
+   ANV_VM_BIND_FLAG_NONE = 0,
+   /* The most recent bind_timeline wait point is waited for during every
+    * command submission. This flag allows the vm_bind operation to create a
+    * new timeline point and signal it upon completion.
+    */
+   ANV_VM_BIND_FLAG_SIGNAL_BIND_TIMELINE = 1 << 0,
+};
+
 struct anv_kmd_backend {
    /*
     * Create a gem buffer.
@@ -76,11 +90,12 @@ struct anv_kmd_backend {
 
    /*
     * Bind things however you want.
-    * This is intended for sparse resources, so it does not use the
-    * bind_timeline interface: synchronization is up to the callers.
+    * This is intended for sparse resources, so it's a little lower level and
+    * the _bo variants.
     */
    VkResult (*vm_bind)(struct anv_device *device,
-                       struct anv_sparse_submission *submit);
+                       struct anv_sparse_submission *submit,
+                       enum anv_vm_bind_flags flags);
 
    /*
     * Fully bind or unbind a BO.

src/intel/vulkan/anv_sparse.c

@@ -594,7 +594,7 @@ anv_sparse_bind_vm_bind(struct anv_device *device,
    if (!queue)
       assert(submit->wait_count == 0 && submit->signal_count == 0);
 
-   return device->kmd_backend->vm_bind(device, submit);
+   return device->kmd_backend->vm_bind(device, submit, ANV_VM_BIND_FLAG_NONE);
 }
 
 VkResult

src/intel/vulkan/i915/anv_kmd_backend.c

@@ -227,7 +227,8 @@ i915_gem_mmap(struct anv_device *device, struct anv_bo *bo, uint64_t offset,
 }
 
 static VkResult
-i915_vm_bind(struct anv_device *device, struct anv_sparse_submission *submit)
+i915_vm_bind(struct anv_device *device, struct anv_sparse_submission *submit,
+             enum anv_vm_bind_flags flags)
 {
    return VK_SUCCESS;
 }

src/intel/vulkan/xe/anv_kmd_backend.c

@@ -171,9 +171,12 @@ anv_vm_bind_to_drm_xe_vm_bind(struct anv_device *device,
 static inline VkResult
 xe_vm_bind_op(struct anv_device *device,
               struct anv_sparse_submission *submit,
-              bool signal_bind_timeline)
+              enum anv_vm_bind_flags flags)
 {
    VkResult result = VK_SUCCESS;
+   const bool signal_bind_timeline =
+      flags & ANV_VM_BIND_FLAG_SIGNAL_BIND_TIMELINE;
+
    int num_syncs = submit->wait_count + submit->signal_count +
                    signal_bind_timeline;
    STACK_ARRAY(struct drm_xe_sync, xe_syncs, num_syncs);
@@ -269,9 +272,10 @@ out_syncs:
 }
 
 static VkResult
-xe_vm_bind(struct anv_device *device, struct anv_sparse_submission *submit)
+xe_vm_bind(struct anv_device *device, struct anv_sparse_submission *submit,
+           enum anv_vm_bind_flags flags)
 {
-   return xe_vm_bind_op(device, submit, false);
+   return xe_vm_bind_op(device, submit, flags);
 }
 
 static VkResult
@@ -292,7 +296,8 @@ xe_vm_bind_bo(struct anv_device *device, struct anv_bo *bo)
       .wait_count = 0,
       .signal_count = 0,
    };
-   return xe_vm_bind_op(device, &submit, true);
+   return xe_vm_bind_op(device, &submit,
+                        ANV_VM_BIND_FLAG_SIGNAL_BIND_TIMELINE);
 }
 
 static VkResult
@@ -318,7 +323,8 @@ xe_vm_unbind_bo(struct anv_device *device, struct anv_bo *bo)
       bind.size = bo->actual_size;
       bind.op = ANV_VM_UNBIND;
    }
-   return xe_vm_bind_op(device, &submit, true);
+   return xe_vm_bind_op(device, &submit,
+                        ANV_VM_BIND_FLAG_SIGNAL_BIND_TIMELINE);
 }
 
 static uint32_t