nvk: Don't assert memory placement on import

Instead, we assert that the non-placement flags match, which is
currently CAN_MAP and SHARED.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35213>

src/nouveau/vulkan/nvk_device_memory.c

@@ -178,8 +178,7 @@ nvk_AllocateMemory(VkDevice device,
       /* We can't really assert anything for dma-bufs because they could come
        * in from some other device.
        */
-      if (fd_info->handleType == VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT)
-         assert(!(flags & ~mem->mem->flags));
+      assert(!(flags & ~mem->mem->flags & ~NVKMD_MEM_PLACEMENT_FLAGS));
    } else if (pte_kind != 0 || tile_mode != 0) {
       result = nvkmd_dev_alloc_tiled_mem(dev->nvkmd, &dev->vk.base,
                                          aligned_size, alignment,

src/nouveau/vulkan/nvkmd/nvkmd.h

@@ -55,6 +55,9 @@ enum nvkmd_mem_flags {
    NVKMD_MEM_SHARED     = 1 << 4,
 };
 
+#define NVKMD_MEM_PLACEMENT_FLAGS \
+   (NVKMD_MEM_LOCAL | NVKMD_MEM_GART | NVKMD_MEM_VRAM)
+
 enum nvkmd_mem_map_flags {
    NVKMD_MEM_MAP_RD     = 1 << 0,
    NVKMD_MEM_MAP_WR     = 1 << 1,