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Merge tag 'drm-amdkfd-fixes-2015-03-19' of git://people.freedesktop.o…
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…rg/~gabbayo/linux into drm-fixes

- Fixing SDMA initialization when in non-HWS mode (debug mode)
- Memory leak fix when destroying kernel queue
- Fix number of available compute pipelines according to new firmware

* tag 'drm-amdkfd-fixes-2015-03-19' of git://people.freedesktop.org/~gabbayo/linux:
  drm/radeon: Changing number of compute pipe lines
  drm/amdkfd: Fix SDMA queue init. in non-HWS mode
  drm/amdkfd: destroy mqd when destroying kernel queue
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airlied committed Mar 20, 2015
2 parents 4a87b99 + e405ca3 commit f42e2c2
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Showing 3 changed files with 23 additions and 11 deletions.
10 changes: 9 additions & 1 deletion drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
Original file line number Diff line number Diff line change
Expand Up @@ -645,14 +645,22 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
pr_debug(" sdma queue id: %d\n", q->properties.sdma_queue_id);
pr_debug(" sdma engine id: %d\n", q->properties.sdma_engine_id);

init_sdma_vm(dqm, q, qpd);
retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj,
&q->gart_mqd_addr, &q->properties);
if (retval != 0) {
deallocate_sdma_queue(dqm, q->sdma_id);
return retval;
}

init_sdma_vm(dqm, q, qpd);
retval = mqd->load_mqd(mqd, q->mqd, 0,
0, NULL);
if (retval != 0) {
deallocate_sdma_queue(dqm, q->sdma_id);
mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj);
return retval;
}

return 0;
}

Expand Down
22 changes: 13 additions & 9 deletions drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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;
Expand Down Expand Up @@ -165,10 +169,8 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev,
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;

}
Expand All @@ -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);
Expand All @@ -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) %
Expand Down Expand Up @@ -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;
}
Expand All @@ -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);
Expand All @@ -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");
}


2 changes: 1 addition & 1 deletion drivers/gpu/drm/radeon/radeon_kfd.c
Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,7 @@ void radeon_kfd_device_init(struct radeon_device *rdev)
.compute_vmid_bitmap = 0xFF00,

.first_compute_pipe = 1,
.compute_pipe_count = 8 - 1,
.compute_pipe_count = 4 - 1,
};

radeon_doorbell_get_kfd_info(rdev,
Expand Down

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