config: allow disabling explicit-sync

toml-spec/spec/spec.generated.json

@@ -498,6 +498,10 @@
           "type": "boolean",
           "description": "Configured whether the compositor attempts direct scanout.\n"
         },
+        "explicit-sync": {
+          "type": "boolean",
+          "description": "Configures whether the compositor supports explicit sync.\n\nThis cannot be changed after the compositor has started.\n\nThe default is `true`.\n"
+        },
         "render-device": {
           "description": "Selects the device to use for rendering in a system with multiple GPUs.\n\nThe first device that matches will be used.\n\n- Example:\n\n  ```toml\n  render-device.name = \"dedicated\"\n\n  [[drm-devices]]\n  name = \"dedicated\"\n  match = { pci-vendor = 0x1002, pci-model = 0x73ff }\n  ```\n",
           "$ref": "#/$defs/DrmDeviceMatch"

toml-spec/spec/spec.generated.md

@@ -887,6 +887,16 @@ The table has the following fields:
 
   The value of this field should be a boolean.
 
+- `explicit-sync` (optional):
+
+  Configures whether the compositor supports explicit sync.
+  
+  This cannot be changed after the compositor has started.
+  
+  The default is `true`.
+
+  The value of this field should be a boolean.
+
 - `render-device` (optional):
 
   Selects the device to use for rendering in a system with multiple GPUs.

toml-spec/spec/spec.yaml

@@ -1875,6 +1875,15 @@ Config:
       required: false
       description: |
         Configured whether the compositor attempts direct scanout.
+    explicit-sync:
+      kind: boolean
+      required: false
+      description: |
+        Configures whether the compositor supports explicit sync.
+        
+        This cannot be changed after the compositor has started.
+        
+        The default is `true`.
     render-device:
       ref: DrmDeviceMatch
       required: false