drm/amdkfd: Add interrupt handling module

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / amd / amdkfd / kfd_device_queue_manager.c

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 1eb102295de016a76e4b68832cb8499625af9b9e..078092c5a59f0259c59db0907f074d409ab5c245 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -522,6 +522,17 @@ int init_pipelines(struct device_queue_manager *dqm,
        return 0;
 }
 
+static void init_interrupts(struct device_queue_manager *dqm)
+{
+       unsigned int i;
+
+       BUG_ON(dqm == NULL);
+
+       for (i = 0 ; i < get_pipes_num(dqm) ; i++)
+               dqm->dev->kfd2kgd->init_interrupts(dqm->dev->kgd,
+                               i + get_first_pipe(dqm));
+}
+
 static int init_scheduler(struct device_queue_manager *dqm)
 {
        int retval;
@@ -581,6 +592,7 @@ static void uninitialize_nocpsch(struct device_queue_manager *dqm)
 
 static int start_nocpsch(struct device_queue_manager *dqm)
 {
+       init_interrupts(dqm);
        return 0;
 }
 
@@ -737,6 +749,9 @@ static int start_cpsch(struct device_queue_manager *dqm)
 
        dqm->fence_addr = dqm->fence_mem->cpu_ptr;
        dqm->fence_gpu_addr = dqm->fence_mem->gpu_addr;
+
+       init_interrupts(dqm);
+
        list_for_each_entry(node, &dqm->queues, list)
                if (node->qpd->pqm->process && dqm->dev)
                        kfd_bind_process_to_device(dqm->dev,