From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:37604 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933793AbbEORZi (ORCPT ); Fri, 15 May 2015 13:25:38 -0400 Subject: Patch "drm/amdkfd: Initialize sdma vm when creating sdma queue" has been added to the 4.0-stable tree To: xihan.zhang@amd.com, alexander.deucher@amd.com, ben.goz@amd.comt, gregkh@linuxfoundation.org, oded.gabbay@gmail.com Cc: , From: Date: Fri, 15 May 2015 10:25:36 -0700 Message-ID: <143171073616552@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/amdkfd: Initialize sdma vm when creating sdma queue to the 4.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amdkfd-initialize-sdma-vm-when-creating-sdma-queue.patch and it can be found in the queue-4.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 79b066bd76d501cfe8328142153da301f5ca11d1 Mon Sep 17 00:00:00 2001 From: Xihan Zhang Date: Tue, 28 Apr 2015 23:48:40 +0800 Subject: drm/amdkfd: Initialize sdma vm when creating sdma queue From: Xihan Zhang commit 79b066bd76d501cfe8328142153da301f5ca11d1 upstream. This patch fixes a bug where sdma vm wasn't initialized when an sdma queue was created in HWS mode. This caused GPUVM faults to appear on dmesg and it is one of the causes that SDMA queues are not working. Signed-off-by: Xihan Zhang Reviewed-by: Ben Goz Signed-off-by: Oded Gabbay Reviewed-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -879,6 +879,8 @@ static int create_queue_cpsch(struct dev return -ENOMEM; } + init_sdma_vm(dqm, q, qpd); + retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, &q->gart_mqd_addr, &q->properties); if (retval != 0) Patches currently in stable-queue which might be from xihan.zhang@amd.com are queue-4.0/drm-amdkfd-initialize-sdma-vm-when-creating-sdma-queue.patch