From: Ben Goz <ben....@amd.com>
This patch adds a missing destruction of mqd, when destroying a kernel queue.
Without the destruction, there is a memory leakage when repeatedly creating and
destroying kernel queues.
Signed-off-by: Ben Goz <ben.goz at amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay at amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
index e415a2a..c7d298e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
@@ -44,7 +44,7 @@ static bool initialize(struct kernel_queue *kq, struct
kfd_dev *dev,
BUG_ON(!kq || !dev);
BUG_ON(type != KFD_QUEUE_TYPE_DIQ && type != KFD_QUEUE_TYPE_HIQ);
- pr_debug("kfd: In func %s initializing queue type %d size %d\n",
+ pr_debug("amdkfd: In func %s initializing queue type %d size %d\n",
__func__, KFD_QUEUE_TYPE_HIQ, queue_size);
nop.opcode = IT_NOP;
@@ -69,12 +69,16 @@ static bool initialize(struct kernel_queue *kq, struct
kfd_dev *dev,
prop.doorbell_ptr = kfd_get_kernel_doorbell(dev, &prop.doorbell_off);
- if (prop.doorbell_ptr == NULL)
+ if (prop.doorbell_ptr == NULL) {
+ pr_err("amdkfd: error init doorbell");
goto err_get_kernel_doorbell;
+ }
retval = kfd_gtt_sa_allocate(dev, queue_size, &kq->pq);
- if (retval != 0)
+ if (retval != 0) {
+ pr_err("amdkfd: error init pq queues size (%d)\n", queue_size);
goto err_pq_allocate_vidmem;
+ }
kq->pq_kernel_addr = kq->pq->cpu_ptr;
kq->pq_gpu_addr = kq->pq->gpu_addr;
@@ -165,10 +169,8 @@ err_rptr_allocate_vidmem:
err_eop_allocate_vidmem:
kfd_gtt_sa_free(dev, kq->pq);
err_pq_allocate_vidmem:
- pr_err("kfd: error init pq\n");
kfd_release_kernel_doorbell(dev, prop.doorbell_ptr);
err_get_kernel_doorbell:
- pr_err("kfd: error init doorbell");
return false;
}
@@ -187,6 +189,8 @@ static void uninitialize(struct kernel_queue *kq)
else if (kq->queue->properties.type == KFD_QUEUE_TYPE_DIQ)
kfd_gtt_sa_free(kq->dev, kq->fence_mem_obj);
+ kq->mqd->uninit_mqd(kq->mqd, kq->queue->mqd, kq->queue->mqd_mem_obj);
+
kfd_gtt_sa_free(kq->dev, kq->rptr_mem);
kfd_gtt_sa_free(kq->dev, kq->wptr_mem);
kq->ops_asic_specific.uninitialize(kq);
@@ -211,7 +215,7 @@ static int acquire_packet_buffer(struct kernel_queue *kq,
queue_address = (unsigned int *)kq->pq_kernel_addr;
queue_size_dwords = kq->queue->properties.queue_size / sizeof(uint32_t);
- pr_debug("kfd: In func %s\nrptr: %d\nwptr: %d\nqueue_address 0x%p\n",
+ pr_debug("amdkfd: In func %s\nrptr: %d\nwptr: %d\nqueue_address 0x%p\n",
__func__, rptr, wptr, queue_address);
available_size = (rptr - 1 - wptr + queue_size_dwords) %
@@ -296,7 +300,7 @@ struct kernel_queue *kernel_queue_init(struct kfd_dev *dev,
}
if (kq->ops.initialize(kq, dev, type, KFD_KERNEL_QUEUE_SIZE) == false) {
- pr_err("kfd: failed to init kernel queue\n");
+ pr_err("amdkfd: failed to init kernel queue\n");
kfree(kq);
return NULL;
}
@@ -319,7 +323,7 @@ static __attribute__((unused)) void test_kq(struct kfd_dev
*dev)
BUG_ON(!dev);
- pr_err("kfd: starting kernel queue test\n");
+ pr_err("amdkfd: starting kernel queue test\n");
kq = kernel_queue_init(dev, KFD_QUEUE_TYPE_HIQ);
BUG_ON(!kq);
@@ -330,7 +334,7 @@ static __attribute__((unused)) void test_kq(struct kfd_dev
*dev)
buffer[i] = kq->nop_packet;
kq->ops.submit_packet(kq);
- pr_err("kfd: ending kernel queue test\n");
+ pr_err("amdkfd: ending kernel queue test\n");
}
--
1.9.1
