Merge tag 'drm-amdkfd-fixes-2015-03-19' of git://people.freedesktop.org/~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

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

@@ -645,6 +645,7 @@ 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) {
@@ -652,7 +653,14 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
 		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;
 }
 

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");
 }
 
 

drivers/gpu/drm/radeon/radeon_kfd.c

@@ -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,