From: Yong Zhao Date: Thu, 30 Jan 2020 00:55:47 +0000 (-0500) Subject: drm/amdkfd: Fix a bug in SDMA RLC queue counting under HWS mode X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f38abc15d157b7b31fa7f651dc8bf92858c963f8;p=linux.git drm/amdkfd: Fix a bug in SDMA RLC queue counting under HWS mode The sdma_queue_count increment should be done before execute_queues_cpsch(), which calls pm_calc_rlib_size() where sdma_queue_count is used to calculate whether over_subscription is triggered. With the previous code, when a SDMA queue is created, compute_queue_count in pm_calc_rlib_size() is one more than the actual compute queue number, because the queue_count has been incremented while sdma_queue_count has not. This patch fixes that. Signed-off-by: Yong Zhao Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- 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 2870553a2ce0e..80d22bf702e81 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -1237,16 +1237,18 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, list_add(&q->list, &qpd->queues_list); qpd->queue_count++; + + if (q->properties.type == KFD_QUEUE_TYPE_SDMA) + dqm->sdma_queue_count++; + else if (q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) + dqm->xgmi_sdma_queue_count++; + if (q->properties.is_active) { dqm->queue_count++; retval = execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); } - if (q->properties.type == KFD_QUEUE_TYPE_SDMA) - dqm->sdma_queue_count++; - else if (q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) - dqm->xgmi_sdma_queue_count++; /* * Unconditionally increment this counter, regardless of the queue's * type or whether the queue is active.