From c2a77fde10ec2cac33a23c8ac53d181bc2fe0cee Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Fri, 20 Dec 2019 02:46:55 -0500 Subject: drm/amdkfd: Avoid hanging hardware in stop_cpsch Don't use the HWS if it's known to be hanging. In a reset also don't try to destroy the HIQ because that may hang on SRIOV if the KIQ is unresponsive. Signed-off-by: Felix Kuehling Tested-by: Emily Deng Reviewed-by: shaoyunl Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c') diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c index 2d56dc534459..bae706462f96 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c @@ -195,9 +195,9 @@ err_get_kernel_doorbell: } /* Uninitialize a kernel queue and free all its memory usages. */ -static void kq_uninitialize(struct kernel_queue *kq) +static void kq_uninitialize(struct kernel_queue *kq, bool hanging) { - if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ) + if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ && !hanging) kq->mqd_mgr->destroy_mqd(kq->mqd_mgr, kq->queue->mqd, KFD_PREEMPT_TYPE_WAVEFRONT_RESET, @@ -337,9 +337,9 @@ struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, return NULL; } -void kernel_queue_uninit(struct kernel_queue *kq) +void kernel_queue_uninit(struct kernel_queue *kq, bool hanging) { - kq_uninitialize(kq); + kq_uninitialize(kq, hanging); kfree(kq); } -- cgit v1.2.3