From: Ben Goz <ben....@amd.com>
Signed-off-by: Ben Goz <ben....@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
Signed-off-by: Felix Kuehling <felix.kuehl...@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index 91f0350..c317feb4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -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;
}
--
2.7.4
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