In these functions static bool dce_v11_0_is_idle(void *handle) { return true; } static int dce_v11_0_wait_for_idle(void *handle) { return 0; } Shouldn't they wait on the GUI bit of the GRBM_STATUS register? Tom -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20160816/954c808d/attachment.html>