anv: Try the first 8 render nodes instead of just renderD128

This way, if you have other cards installed, the Vulkan driver will still
work.  No guarantees about WSI working correctly but offscreen should at
least work.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95537

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 1ab6c745a26309d6b765d61691884abdcaaa50f6..da7a39471c17868c19fb7d39ce2485437cdede69 100644 (file)
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -73,8 +73,7 @@ anv_physical_device_init(struct anv_physical_device *device,
 
    device->chipset_id = anv_gem_get_param(fd, I915_PARAM_CHIPSET_ID);
    if (!device->chipset_id) {
-      result = vk_errorf(VK_ERROR_INITIALIZATION_FAILED,
-                         "failed to get chipset id: %m");
+      result = VK_ERROR_INITIALIZATION_FAILED;
       goto fail;
    }
 
@@ -314,8 +313,15 @@ VkResult anv_EnumeratePhysicalDevices(
    VkResult result;
 
    if (instance->physicalDeviceCount < 0) {
-      result = anv_physical_device_init(&instance->physicalDevice,
-                                        instance, "/dev/dri/renderD128");
+      char path[20];
+      for (unsigned i = 0; i < 8; i++) {
+         snprintf(path, sizeof(path), "/dev/dri/renderD%d", 128 + i);
+         result = anv_physical_device_init(&instance->physicalDevice,
+                                           instance, path);
+         if (result == VK_SUCCESS)
+            break;
+      }
+
       if (result == VK_ERROR_INCOMPATIBLE_DRIVER) {
          instance->physicalDeviceCount = 0;
       } else if (result == VK_SUCCESS) {