gpu: nvgpu: gsp: migration from KMD to GSP

Changes:
- submit shadow domain for legacy used cases in case user domain is not
present.
- disabling config flags for KMD to submit user domain.

Bug 3935433
NVGPU-9664

Change-Id: I498226df36d0b482d1af369526adb369d921b6ca
Signed-off-by: vivekku <vivekku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2843968
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/common/fifo/runlist.c

@@ -698,6 +698,7 @@ static int nvgpu_runlist_do_update(struct gk20a *g, struct nvgpu_runlist *rl,
 	ret = nvgpu_runlist_update_locked(g, rl, domain, ch, add, wait_for_finish);
 	if (ret == 0) {
 #if defined(CONFIG_NVS_PRESENT)
+		ret = nvgpu_rl_domain_sync_submit(g, rl, rl->domain, wait_for_finish);
 		/*
 		* This path(CONFIG_KMD_SCHEDULING_WORKER_THREAD) contains the CPU based
 		* Manual mode scheduler. With GSP enabled, this will be no longer required

drivers/gpu/nvgpu/common/nvs/nvs-control-interface-parser.c

@@ -67,6 +67,7 @@ static void nvs_control_atomic64_write(void *address, u64 value)
 	nvgpu_wmb();
 }
 
+#ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
 void nvs_control_fifo_sender_write_message(struct nvs_control_fifo_sender *const sender,
 		const u32 msg_number, const u32 msg_sequence_tag,
 		const u64 msg_timestamp_ns)
@@ -320,3 +321,4 @@ void nvs_control_fifo_disable_flow_control(struct nvs_domain_msg_fifo_control *c
 	nvs_control_atomic_write(&control_interface->get,
 		NVS_DOMAIN_MSG_FIFO_CONTROL_GET_FLOW_CTRL_DISABLED);
 }
+#endif

drivers/gpu/nvgpu/common/nvs/nvs_sched.c

@@ -38,12 +38,11 @@ static struct nvs_sched_ops nvgpu_nvs_ops = {
 	.recover = NULL,
 };
 
-#ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
-
 #ifndef NSEC_PER_MSEC
 #define NSEC_PER_MSEC 1000000U
 #endif
 
+#ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
 /*
  * TODO: make use of worker items when
  * 1) the active domain gets modified
@@ -683,9 +682,9 @@ void nvgpu_nvs_remove_support(struct gk20a *g)
 		/* never powered on to init anything */
 		return;
 	}
-
+#ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
 	nvgpu_nvs_worker_deinit(g);
-
+#endif
 	nvs_domain_for_each(sched->sched, nvs_dom) {
 		struct nvgpu_nvs_domain *nvgpu_dom = nvs_dom->priv;
 		if (nvgpu_dom->ref != 1U) {
@@ -787,7 +786,10 @@ int nvgpu_nvs_open(struct gk20a *g)
 		}
 
 		g->nvs_worker_submit = nvgpu_nvs_worker_submit;
+#endif
 unlock:
+
+#ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
 		if (err) {
 			nvs_dbg(g, "  Failed! Error code: %d", err);
 			if (g->scheduler) {

drivers/gpu/nvgpu/common/nvs/nvs_sched_ctrl.c

@@ -301,7 +301,7 @@ struct nvgpu_nvs_domain_ctrl_fifo *nvgpu_nvs_ctrl_fifo_create(struct gk20a *g)
 	return sched;
 }
 
-
+#ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
 void nvgpu_nvs_domain_ctrl_fifo_set_receiver(struct gk20a *g,
 		struct nvs_control_fifo_receiver *receiver)
 {
@@ -355,6 +355,7 @@ struct nvs_control_fifo_sender *nvgpu_nvs_domain_ctrl_fifo_get_sender(struct gk2
 
 	return sched_ctrl->queues.receiver_queue_sender;
 }
+#endif
 
 bool nvgpu_nvs_ctrl_fifo_is_enabled(struct gk20a *g)
 {
@@ -618,6 +619,7 @@ void nvgpu_nvs_buffer_free(struct nvgpu_nvs_domain_ctrl_fifo *sched_ctrl,
 
 	/* Sets buf->valid as false */
 	(void)memset(buf, 0, sizeof(*buf));
+	(void)mask;
 }
 
 void nvgpu_nvs_ctrl_fifo_lock_queues(struct gk20a *g)

drivers/gpu/nvgpu/include/nvgpu/nvs-control-interface-parser.h

@@ -70,7 +70,7 @@ struct nvs_control_fifo_receiver {
 	u32 get_index;
 	u64 num_queue_entries;
 };
-
+#ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
 void nvs_control_fifo_sender_write_message(struct nvs_control_fifo_sender *const sender,
 		u32 const msg_number, u32 const msg_sequence_tag,
 		u64 const msg_timestamp_ns);
@@ -92,5 +92,6 @@ void nvs_control_fifo_sender_exit(struct gk20a *g,
 void nvs_control_fifo_enable_flow_control(struct nvs_domain_msg_fifo_control *control_interface,
 		u32 get_index);
 void nvs_control_fifo_disable_flow_control(struct nvs_domain_msg_fifo_control *control_interface);
+#endif
 
 #endif

userspace/units/nvs/nvgpu-nvs.c

@@ -461,8 +461,8 @@ done:
 #endif
 
 struct unit_module_test nvgpu_nvs_tests[] = {
-	UNIT_TEST(init_support, test_fifo_init_support, &nvs_context, 0),
 #ifdef CONFIG_KMD_SCHEDULING_WORKER_THREAD
+	UNIT_TEST(init_support, test_fifo_init_support, &nvs_context, 0),
 	UNIT_TEST(setup_sw, test_nvs_setup_sw, &nvs_context, 0),
 	UNIT_TEST(nvs_remove_support, test_nvs_remove_sw, &nvs_context, 0),
 #endif