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-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index d4aa843aacfd..6bab6fc6a35d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -271,11 +271,9 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer)
struct kfd_process *proc = NULL;
struct kfd_process_device *pdd = NULL;
int i;
- struct kfd_cu_occupancy cu_occupancy[AMDGPU_MAX_QUEUES];
+ struct kfd_cu_occupancy *cu_occupancy;
u32 queue_format;
- memset(cu_occupancy, 0x0, sizeof(cu_occupancy));
-
pdd = container_of(attr, struct kfd_process_device, attr_cu_occupancy);
dev = pdd->dev;
if (dev->kfd2kgd->get_cu_occupancy == NULL)
@@ -293,6 +291,10 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer)
wave_cnt = 0;
max_waves_per_cu = 0;
+ cu_occupancy = kcalloc(AMDGPU_MAX_QUEUES, sizeof(*cu_occupancy), GFP_KERNEL);
+ if (!cu_occupancy)
+ return -ENOMEM;
+
/*
* For GFX 9.4.3, fetch the CU occupancy from the first XCC in the partition.
* For AQL queues, because of cooperative dispatch we multiply the wave count
@@ -318,6 +320,7 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer)
/* Translate wave count to number of compute units */
cu_cnt = (wave_cnt + (max_waves_per_cu - 1)) / max_waves_per_cu;
+ kfree(cu_occupancy);
return snprintf(buffer, PAGE_SIZE, "%d\n", cu_cnt);
}