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authorFelix Kuehling <Felix.Kuehling@amd.com>2017-11-27 18:29:46 -0500
committerOded Gabbay <oded.gabbay@gmail.com>2017-11-27 18:29:46 -0500
commit36582fa5165bca6cfab33bbe1d95f1598ab5fb7d (patch)
tree711f0dfbbdd6c1657af46a30e82565e30b0e305f /drivers
parenta99c6d4fdc0470c3137d834d578441d057a5ebd0 (diff)
downloadlinux-36582fa5165bca6cfab33bbe1d95f1598ab5fb7d.tar.bz2
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index 0b7092e59bf9..c3230b96241e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -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");
}