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Commit bfdcbfd2 authored by Ben Goz's avatar Ben Goz Committed by Oded Gabbay
Browse files

drm/amdkfd: Locking PM mutex while allocating IB buffer 



Signed-off-by: default avatarBen Goz <ben.goz@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent ccb76b14

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

+6 −1
Original line number Diff line number Diff line
@@ -94,12 +94,14 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, 


	pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription);



	mutex_lock(&pm->lock);



	retval = kfd_gtt_sa_allocate(pm->dqm->dev, *rl_buffer_size,

					&pm->ib_buffer_obj);



	if (retval) {

		pr_err("Failed to allocate runlist IB\n");

		return retval;

		goto out;

	}



	*(void **)rl_buffer = pm->ib_buffer_obj->cpu_ptr;
@@ -107,6 +109,9 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, 


	memset(*rl_buffer, 0, *rl_buffer_size);

	pm->allocated = true;



out:

	mutex_unlock(&pm->lock);

	return retval;

}