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Commit 36582fa5 authored by Felix Kuehling's avatar Felix Kuehling Committed by Oded Gabbay
Browse files

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: default avatarJay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Acked-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent a99c6d4f

drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c

+3 −2
Original line number Diff line number Diff line
@@ -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");

	}