anv/device: Check for kernel support of context isolation.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>

src/intel/vulkan/anv_device.c

@@ -377,6 +377,9 @@ anv_physical_device_init(struct anv_physical_device *device,
    device->use_softpin = anv_gem_get_param(fd, I915_PARAM_HAS_EXEC_SOFTPIN)
       && device->supports_48bit_addresses;
 
+   device->has_context_isolation =
+      anv_gem_get_param(fd, I915_PARAM_HAS_CONTEXT_ISOLATION);
+
    bool swizzled = anv_gem_get_bit6_swizzle(fd, I915_TILING_X);
 
    /* Starting with Gen10, the timestamp frequency of the command streamer may

src/intel/vulkan/anv_private.h

@@ -856,6 +856,7 @@ struct anv_physical_device {
     bool                                        has_syncobj_wait;
     bool                                        has_context_priority;
     bool                                        use_softpin;
+    bool                                        has_context_isolation;
 
     struct anv_device_extension_table           supported_extensions;