gpu: nvgpu: compile out ununsed code on safety build for common.nvgpu

Jira NVGPU-7052

Change-Id: Idab4f9d56c0748f54fd08fc5fd01d96a66f94700
Signed-off-by: shashank singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2581247
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2670885
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/Makefile.shared.configs

@@ -55,8 +55,11 @@ NVGPU_COMMON_CFLAGS		:=
 NVGPU_COMMON_CFLAGS		+=		\
 	-DCONFIG_TEGRA_GK20A_PMU=1		\
 	-DCONFIG_TEGRA_ACR=1			\
-	-DCONFIG_NVGPU_GR_VIRTUALIZATION	\
+	-DCONFIG_NVGPU_GR_VIRTUALIZATION
-	-DCONFIG_PCI_MSI
+
+ifeq ($(CONFIG_NVGPU_DGPU),1)
+NVGPU_COMMON_CFLAGS		+= -DCONFIG_PCI_MSI
+endif
 
 CONFIG_NVGPU_LOGGING                 := 1
 NVGPU_COMMON_CFLAGS                  += -DCONFIG_NVGPU_LOGGING

drivers/gpu/nvgpu/common/init/nvgpu_init.c

@@ -1187,9 +1187,11 @@ static void gk20a_free_cb(struct nvgpu_ref *refcount)
 
 	gk20a_debug_deinit(g);
 
+#ifdef CONFIG_NVGPU_NON_FUSA
 	if (g->gfree != NULL) {
 		g->gfree(g);
 	}
+#endif
 }
 
 struct gk20a *nvgpu_get(struct gk20a *g)

drivers/gpu/nvgpu/include/nvgpu/gk20a.h

@@ -370,6 +370,7 @@ struct nvgpu_gpu_params {
  * and not in the main gk20a struct.
  */
 struct gk20a {
+#ifdef CONFIG_NVGPU_NON_FUSA
 	/**
 	 * @brief Free data in the struct allocated during its creation.
 	 *
@@ -381,6 +382,7 @@ struct gk20a {
 	 * have had the opportunity to free their private data.
 	 */
 	void (*gfree)(struct gk20a *g);
+#endif
 
 	/** Starting virtual address of mapped bar0 io region. */
 	uintptr_t regs;
@@ -619,10 +621,12 @@ struct gk20a {
 	u32 emc3d_ratio;
 #endif
 
+#ifdef CONFIG_NVGPU_SW_SEMAPHORE
 	/**
 	 * A group of semaphore pools. One for each channel.
 	 */
 	struct nvgpu_semaphore_sea *sema_sea;
+#endif
 
 #ifdef CONFIG_NVGPU_DEBUGGER
 	/* held while manipulating # of debug/profiler sessions present */
@@ -828,18 +832,18 @@ struct gk20a {
 	/* PCIe power states. */
 	bool xve_l0s;
 	bool xve_l1;
-#endif
 
+#if defined(CONFIG_PCI_MSI)
+	/* Check if msi is enabled */
+	bool msi_enabled;
+#endif
+#endif
 	/**
 	 * The per-device identifier. The iGPUs without a PDI will use
 	 * the SoC PDI if one exists. Zero if neither exists.
 	 */
 	u64 per_device_identifier;
 
-#if defined(CONFIG_PCI_MSI)
-	/* Check if msi is enabled */
-	bool msi_enabled;
-#endif
 #ifdef CONFIG_NVGPU_TRACK_MEM_USAGE
 	struct nvgpu_mem_alloc_tracker *vmallocs;
 	struct nvgpu_mem_alloc_tracker *kmallocs;

drivers/gpu/nvgpu/include/nvgpu/nvgpu_common.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2016-2022, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -30,6 +30,7 @@
  * @{
  */
 
+#ifdef CONFIG_NVGPU_NON_FUSA
 /**
  * @brief Restart driver as implemented for OS.
  *
@@ -42,6 +43,7 @@
  * - On QNX, this simply calls BUG() which will restart the driver.
  */
 void nvgpu_kernel_restart(void *cmd);
+#endif
 
 #ifdef NVGPU_UNITTEST_FAULT_INJECTION_ENABLEMENT
 struct nvgpu_posix_fault_inj *nvgpu_nvgpu_get_fault_injection(void);

drivers/gpu/nvgpu/os/posix/nvgpu.c

@@ -86,6 +86,7 @@ static struct nvgpu_posix_io_callbacks default_posix_reg_callbacks = {
 	.bar1_readl      = readl_access_reg_fn,
 };
 
+#ifdef CONFIG_NVGPU_NON_FUSA
 /*
  * Somewhat meaningless in userspace...
  */
@@ -94,6 +95,7 @@ void nvgpu_kernel_restart(void *cmd)
 	(void)cmd;
 	BUG();
 }
+#endif
 
 void nvgpu_start_gpu_idle(struct gk20a *g)
 {

userspace/units/init/nvgpu-init.c

@@ -295,8 +295,8 @@ int test_get_put(struct unit_module *m,
 	/* to cover the cases where these are set */
 #ifdef CONFIG_NVGPU_NON_FUSA
 	g->remove_support = no_return;
-#endif
 	g->gfree = no_return;
+#endif
 	g->ops.ecc.ecc_remove_support = no_return;
 	g->ops.ltc.ltc_remove_support = no_return;