gpu: nvgpu: move gv11b code under config flag

Move gv11b specific code under CONFIG_NVGPU_GV11B_SUPPORT so that gv11b
support can be removed for qnx later as it is no longer POR for qnx on
dev-main.

Jira NVGPU-8189
Bug 3642168

Change-Id: Idc17cfa22199f2b69a1bab0849cd2bd2e0fb6288
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2693828
(cherry picked from commit ba22f6263b)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2725975
Tested-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
GVS: Gerrit_Virtual_Submit

drivers/gpu/nvgpu/Makefile

@@ -367,7 +367,6 @@ nvgpu-y += \
 	hal/gr/gr/gr_gv100.o \
 	hal/gr/gr/gr_gv11b.o \
 	hal/gr/gr/gr_tu104.o \
-	hal/init/hal_gv11b.o \
 	hal/init/hal_gv11b_litter.o \
 	hal/init/hal_init.o \
 	hal/perf/perf_gv11b.o \
@@ -415,6 +414,11 @@ nvgpu-y += \
 	hal/cic/mon/init_ga10b_fusa.o \
 	hal/cic/mon/lut_ga10b_fusa.o
 
+ifeq ($(CONFIG_NVGPU_SUPPORT_GV11B),y)
+nvgpu-$(CONFIG_NVGPU_SUPPORT_GV11B) += \
+	hal/init/hal_gv11b.o
+endif
+
 ifeq ($(CONFIG_NVGPU_INTR_DEBUG),y)
 nvgpu-$(CONFIG_NVGPU_INTR_DEBUG) += \
 	common/cic/mon/mon_ce.o \

drivers/gpu/nvgpu/Makefile.linux.configs

@@ -41,6 +41,9 @@ CONFIG_NVGPU_COMPRESSION := y
 # Enable MIG Support
 CONFIG_NVGPU_MIG := y
 
+# Enable gv11b support
+CONFIG_NVGPU_SUPPORT_GV11B := y
+
 # Enable support for extraction of comptags for CDE.
 ifeq ($(CONFIG_NVGPU_COMPRESSION),y)
 CONFIG_NVGPU_SUPPORT_CDE := y
@@ -213,6 +216,9 @@ endif
 ifeq ($(CONFIG_NVGPU_COMPRESSION),y)
 ccflags-y += -DCONFIG_NVGPU_COMPRESSION
 endif
+ifeq ($(CONFIG_NVGPU_SUPPORT_GV11B),y)
+ccflags-y += -DCONFIG_NVGPU_SUPPORT_GV11B
+endif
 ifeq ($(CONFIG_NVGPU_REMAP),y)
 ccflags-y += -DCONFIG_NVGPU_REMAP
 endif

drivers/gpu/nvgpu/Makefile.shared.configs

@@ -78,6 +78,9 @@ NVGPU_COMMON_CFLAGS                  += -DCONFIG_NVGPU_SYNCFD_NONE
 CONFIG_NVGPU_GRAPHICS                := 1
 NVGPU_COMMON_CFLAGS                  += -DCONFIG_NVGPU_GRAPHICS
 
+CONFIG_NVGPU_SUPPORT_GV11B           := 1
+NVGPU_COMMON_CFLAGS                  += -DCONFIG_NVGPU_SUPPORT_GV11B
+
 # Error reporting needs to be supported in qnx-safety, qnx-standard, linux.
 # In qnx-standard, nvgpu makefile is used for RM SERVER. Since iGPU is in
 # pass through mode in all three platforms, EPL libraries should not be

drivers/gpu/nvgpu/Makefile.sources

@@ -165,7 +165,6 @@ srcs +=	common/device.c \
 	common/cic/mon/mon_report_err.c \
 	common/cic/rm/rm_init.c \
 	common/cic/rm/rm_intr.c \
-	hal/init/hal_gv11b.c \
 	hal/init/hal_gv11b_litter.c \
 	hal/init/hal_init.c \
 	hal/power_features/cg/gv11b_gating_reglist.c \
@@ -299,6 +298,10 @@ ifeq ($(CONFIG_NVGPU_COMPRESSION),1)
 srcs += hal/cbc/cbc_tu104.c
 endif
 
+ifeq ($(CONFIG_NVGPU_SUPPORT_GV11B),1)
+srcs += hal/init/hal_gv11b.c
+endif
+
 # Source files below are not guaranteed to be functionaly safe (FuSa) and are
 # only included in the normal build.
 ifeq ($(CONFIG_NVGPU_HAL_NON_FUSA),1)

drivers/gpu/nvgpu/hal/init/hal_init.c

@@ -1,7 +1,7 @@
 /*
  * NVIDIA GPU HAL interface.
  *
- * Copyright (c) 2014-2021, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2014-2022, 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"),
@@ -68,11 +68,13 @@ int nvgpu_init_hal(struct gk20a *g)
 			err = -ENODEV;
 		}
 		break;
+#ifdef CONFIG_NVGPU_SUPPORT_GV11B
 	case NVGPU_GPUID_GV11B:
 		if (gv11b_init_hal(g) != 0) {
 			err = -ENODEV;
 		}
 		break;
+#endif
 
 #if defined(CONFIG_NVGPU_DGPU) && defined(CONFIG_NVGPU_HAL_NON_FUSA)
 	case NVGPU_GPUID_TU104:
@@ -121,6 +123,7 @@ int nvgpu_detect_chip(struct gk20a *g)
 		return -ENODEV;
 	}
 
+#ifdef CONFIG_NVGPU_SUPPORT_GV11B
 	if (nvgpu_safe_add_u32(p->gpu_arch, p->gpu_impl) ==
 						(u32)NVGPU_GPUID_GV11B) {
 		/* overwrite gpu revison for A02  */
@@ -128,6 +131,7 @@ int nvgpu_detect_chip(struct gk20a *g)
 			p->gpu_rev = 0xa2;
 		}
 	}
+#endif
 	nvgpu_log_info(g, "arch: %x, impl: %x, rev: %x\n",
 			g->params.gpu_arch,
 			g->params.gpu_impl,