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drm/amdkfd: Fix GWS queue count
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[ Upstream commit 7c6b6e1 ]

dqm->gws_queue_count and pdd->qpd.mapped_gws_queue need to be updated
each time the queue gets evicted.

Fixes: b8020b0 ("drm/amdkfd: Enable over-subscription with >1 GWS queue")
Signed-off-by: David Yat Sin <david.yatsin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@dayatsin-amd @gregkh
dayatsin-amd authored and gregkh committed May 9, 2022
1 parent 54e0b94 commit ce9be3b
Showing 1 changed file with 37 additions and 46 deletions.
83 changes: 37 additions & 46 deletions drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
View file
Expand Up @@ -138,19 +138,33 @@ void program_sh_mem_settings(struct device_queue_manager *dqm,
}

static void increment_queue_count(struct device_queue_manager *dqm,
enum kfd_queue_type type)
struct qcm_process_device *qpd,
struct queue *q)
{
dqm->active_queue_count++;
if (type == KFD_QUEUE_TYPE_COMPUTE || type == KFD_QUEUE_TYPE_DIQ)
if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE ||
q->properties.type == KFD_QUEUE_TYPE_DIQ)
dqm->active_cp_queue_count++;

if (q->properties.is_gws) {
dqm->gws_queue_count++;
qpd->mapped_gws_queue = true;
}
}

static void decrement_queue_count(struct device_queue_manager *dqm,
enum kfd_queue_type type)
struct qcm_process_device *qpd,
struct queue *q)
{
dqm->active_queue_count--;
if (type == KFD_QUEUE_TYPE_COMPUTE || type == KFD_QUEUE_TYPE_DIQ)
if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE ||
q->properties.type == KFD_QUEUE_TYPE_DIQ)
dqm->active_cp_queue_count--;

if (q->properties.is_gws) {
dqm->gws_queue_count--;
qpd->mapped_gws_queue = false;
}
}

static int allocate_doorbell(struct qcm_process_device *qpd, struct queue *q)
Expand Down Expand Up @@ -390,7 +404,7 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
list_add(&q->list, &qpd->queues_list);
qpd->queue_count++;
if (q->properties.is_active)
increment_queue_count(dqm, q->properties.type);
increment_queue_count(dqm, qpd, q);

/*
* Unconditionally increment this counter, regardless of the queue's
Expand Down Expand Up @@ -515,13 +529,8 @@ static int destroy_queue_nocpsch_locked(struct device_queue_manager *dqm,
deallocate_vmid(dqm, qpd, q);
}
qpd->queue_count--;
if (q->properties.is_active) {
decrement_queue_count(dqm, q->properties.type);
if (q->properties.is_gws) {
dqm->gws_queue_count--;
qpd->mapped_gws_queue = false;
}
}
if (q->properties.is_active)
decrement_queue_count(dqm, qpd, q);

return retval;
}
Expand Down Expand Up @@ -613,12 +622,11 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
* dqm->active_queue_count to determine whether a new runlist must be
* uploaded.
*/
if (q->properties.is_active && !prev_active)
increment_queue_count(dqm, q->properties.type);
else if (!q->properties.is_active && prev_active)
decrement_queue_count(dqm, q->properties.type);

if (q->gws && !q->properties.is_gws) {
if (q->properties.is_active && !prev_active) {
increment_queue_count(dqm, &pdd->qpd, q);
} else if (!q->properties.is_active && prev_active) {
decrement_queue_count(dqm, &pdd->qpd, q);
} else if (q->gws && !q->properties.is_gws) {
if (q->properties.is_active) {
dqm->gws_queue_count++;
pdd->qpd.mapped_gws_queue = true;
Expand Down Expand Up @@ -680,11 +688,7 @@ static int evict_process_queues_nocpsch(struct device_queue_manager *dqm,
mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type(
q->properties.type)];
q->properties.is_active = false;
decrement_queue_count(dqm, q->properties.type);
if (q->properties.is_gws) {
dqm->gws_queue_count--;
qpd->mapped_gws_queue = false;
}
decrement_queue_count(dqm, qpd, q);

if (WARN_ONCE(!dqm->sched_running, "Evict when stopped\n"))
continue;
Expand Down Expand Up @@ -730,7 +734,7 @@ static int evict_process_queues_cpsch(struct device_queue_manager *dqm,
continue;

q->properties.is_active = false;
decrement_queue_count(dqm, q->properties.type);
decrement_queue_count(dqm, qpd, q);
}
pdd->last_evict_timestamp = get_jiffies_64();
retval = execute_queues_cpsch(dqm,
Expand Down Expand Up @@ -801,11 +805,7 @@ static int restore_process_queues_nocpsch(struct device_queue_manager *dqm,
mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type(
q->properties.type)];
q->properties.is_active = true;
increment_queue_count(dqm, q->properties.type);
if (q->properties.is_gws) {
dqm->gws_queue_count++;
qpd->mapped_gws_queue = true;
}
increment_queue_count(dqm, qpd, q);

if (WARN_ONCE(!dqm->sched_running, "Restore when stopped\n"))
continue;
Expand Down Expand Up @@ -863,7 +863,7 @@ static int restore_process_queues_cpsch(struct device_queue_manager *dqm,
continue;

q->properties.is_active = true;
increment_queue_count(dqm, q->properties.type);
increment_queue_count(dqm, &pdd->qpd, q);
}
retval = execute_queues_cpsch(dqm,
KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
Expand Down Expand Up @@ -1265,7 +1265,7 @@ static int create_kernel_queue_cpsch(struct device_queue_manager *dqm,
dqm->total_queue_count);

list_add(&kq->list, &qpd->priv_queue_list);
increment_queue_count(dqm, kq->queue->properties.type);
increment_queue_count(dqm, qpd, kq->queue);
qpd->is_debug = true;
execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
dqm_unlock(dqm);
Expand All @@ -1279,7 +1279,7 @@ static void destroy_kernel_queue_cpsch(struct device_queue_manager *dqm,
{
dqm_lock(dqm);
list_del(&kq->list);
decrement_queue_count(dqm, kq->queue->properties.type);
decrement_queue_count(dqm, qpd, kq->queue);
qpd->is_debug = false;
execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0);
/*
Expand Down Expand Up @@ -1346,7 +1346,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
qpd->queue_count++;

if (q->properties.is_active) {
increment_queue_count(dqm, q->properties.type);
increment_queue_count(dqm, qpd, q);

execute_queues_cpsch(dqm,
KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
Expand Down Expand Up @@ -1548,15 +1548,11 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm,
list_del(&q->list);
qpd->queue_count--;
if (q->properties.is_active) {
decrement_queue_count(dqm, q->properties.type);
decrement_queue_count(dqm, qpd, q);
retval = execute_queues_cpsch(dqm,
KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
if (retval == -ETIME)
qpd->reset_wavefronts = true;
if (q->properties.is_gws) {
dqm->gws_queue_count--;
qpd->mapped_gws_queue = false;
}
}

/*
Expand Down Expand Up @@ -1747,7 +1743,7 @@ static int process_termination_cpsch(struct device_queue_manager *dqm,
/* Clean all kernel queues */
list_for_each_entry_safe(kq, kq_next, &qpd->priv_queue_list, list) {
list_del(&kq->list);
decrement_queue_count(dqm, kq->queue->properties.type);
decrement_queue_count(dqm, qpd, kq->queue);
qpd->is_debug = false;
dqm->total_queue_count--;
filter = KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES;
Expand All @@ -1760,13 +1756,8 @@ static int process_termination_cpsch(struct device_queue_manager *dqm,
else if (q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI)
deallocate_sdma_queue(dqm, q);

if (q->properties.is_active) {
decrement_queue_count(dqm, q->properties.type);
if (q->properties.is_gws) {
dqm->gws_queue_count--;
qpd->mapped_gws_queue = false;
}
}
if (q->properties.is_active)
decrement_queue_count(dqm, qpd, q);

dqm->total_queue_count--;
}
Expand Down

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