From: Xihan Zhang xihan.zhang@amd.com
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 xihan.zhang@amd.com Reviewed-by: Ben Goz ben.goz@amd.comt Signed-off-by: Oded Gabbay oded.gabbay@gmail.com --- drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 7b1d510..596ee5c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -883,6 +883,8 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, 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)