diff --git a/src/virtio/vulkan/vn_device_memory.c b/src/virtio/vulkan/vn_device_memory.c index ad789fdaf03..39789b18699 100644 --- a/src/virtio/vulkan/vn_device_memory.c +++ b/src/virtio/vulkan/vn_device_memory.c @@ -153,12 +153,15 @@ vn_device_memory_pool_suballocate(struct vn_device *dev, uint32_t mem_type_index) { const VkDeviceSize pool_size = 16 * 1024 * 1024; - /* XXX We don't know the alignment requirement. Use 64K because some GPUs - * have 64K pages. It is also required by newer Intel GPUs. But really we - * should require kernel 5.12+, where there is no KVM memslot limit, and - * remove this whole thing. + /* TODO fix https://gitlab.freedesktop.org/mesa/mesa/-/issues/9351 + * Before that, we use 64K default alignment because some GPUs have 64K + * pages. It is also required by newer Intel GPUs. Meanwhile, use prior 4K + * align on implementations known to fit. */ - const VkDeviceSize pool_align = 64 * 1024; + const VkDeviceSize pool_align = + dev->physical_device->renderer_driver_id == VK_DRIVER_ID_ARM_PROPRIETARY + ? 4096 + : 64 * 1024; struct vn_device_memory_pool *pool = &dev->memory_pools[mem_type_index]; assert(mem->size <= pool_size);