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drm/amdkfd: Fix oversubscription accounting 

Don't count SDMA queues towards compute HQD oversubscription when
deciding whether to create a chained runlist.

Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Felix Kuehling 2017-11-27 18:29:46 -05:00 committed by Oded Gabbay
parent a99c6d4fdc
commit 36582fa516
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
View File

@ -55,13 +55,14 @@ static void pm_calc_rlib_size(struct packet_manager *pm,
unsigned int *rlib_size,
bool *over_subscription)
{
unsigned int process_count, queue_count;
unsigned int process_count, queue_count, compute_queue_count;
unsigned int map_queue_size;
unsigned int max_proc_per_quantum = 1;
struct kfd_dev *dev = pm->dqm->dev;
process_count = pm->dqm->processes_count;
queue_count = pm->dqm->queue_count;
compute_queue_count = queue_count - pm->dqm->sdma_queue_count;
/* check if there is over subscription
* Note: the arbitration between the number of VMIDs and
@ -74,7 +75,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm,
max_proc_per_quantum = dev->max_proc_per_quantum;
if ((process_count > max_proc_per_quantum) ||
queue_count > get_queues_num(pm->dqm)) {
compute_queue_count > get_queues_num(pm->dqm)) {
*over_subscription = true;
pr_debug("Over subscribed runlist\n");
}