gpu: nvgpu: add support for ACB SLCG on gv11b

Register list for ACB SLCG is auto generated with scripts.
Add HAL operations to enable/disable ACB clock gating.

Cherry-pick/manually port from dev-main

Bug 200647909

Change-Id: I4be4c14cc072fcccd91031a5a40321f5ff11f549
Signed-off-by: Prateek sethi <prsethi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2420355
(cherry picked from commit c7c04d3a28c2eb0edc8e015dd0130fa50d3496c7)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2434464
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-by: Phoenix Jung <pjung@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

drivers/gpu/nvgpu/common/clock_gating/gv11b_gating_reglist.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2019, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2014-2020, 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"),
@@ -162,6 +162,11 @@ static const struct gating_desc gv11b_slcg_hshub[] = {
 	{.addr = 0x001fbbf4U, .prod = 0x00000000U, .disable = 0xfffffffeU},
 };
 
+/* slcg Acb */
+static const struct gating_desc gv11b_slcg_acb[] = {
+	{.addr = 0x0010e48cU, .prod = 0x00000038U, .disable = 0x0000003eU},
+};
+
 /* blcg bus */
 static const struct gating_desc gv11b_blcg_bus[] = {
 	{.addr = 0x00001c00U, .prod = 0x00000042U, .disable = 0x00000000U},
@@ -513,6 +518,22 @@ void gv11b_slcg_hshub_load_gating_prod(struct gk20a *g,
 	}
 }
 
+void gv11b_slcg_acb_load_gating_prod(struct gk20a *g,
+	bool prod)
+{
+	u32 i;
+	u32 size = (u32)(sizeof(gv11b_slcg_acb) / GATING_DESC_SIZE);
+
+	if (nvgpu_is_enabled(g, NVGPU_GPU_CAN_SLCG)) {
+		for (i = 0; i < size; i++) {
+			u32 reg = gv11b_slcg_acb[i].addr;
+			u32 val = prod ? gv11b_slcg_acb[i].prod :
+					 gv11b_slcg_acb[i].disable;
+			gk20a_writel(g, reg, val);
+		}
+	}
+}
+
 void gv11b_blcg_bus_load_gating_prod(struct gk20a *g,
 	bool prod)
 {

drivers/gpu/nvgpu/common/clock_gating/gv11b_gating_reglist.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019, NVIDIA Corporation. All rights reserved.
+ * Copyright (c) 2016-2020, 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"),
@@ -72,6 +72,9 @@ void gv11b_slcg_xbar_load_gating_prod(struct gk20a *g,
 void gv11b_slcg_hshub_load_gating_prod(struct gk20a *g,
 	bool prod);
 
+void gv11b_slcg_acb_load_gating_prod(struct gk20a *g,
+	bool prod);
+
 void gv11b_blcg_bus_load_gating_prod(struct gk20a *g,
 	bool prod);
 

drivers/gpu/nvgpu/gk20a/gk20a.c

@@ -1,7 +1,7 @@
 /*
  * GK20A Graphics
  *
- * Copyright (c) 2011-2019, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011-2020, 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"),
@@ -145,6 +145,10 @@ int gk20a_finalize_poweron(struct gk20a *g)
 		g->gpu_reset_done = true;
 	}
 
+	if (g->ops.clock_gating.slcg_acb_load_gating_prod != NULL) {
+		g->ops.clock_gating.slcg_acb_load_gating_prod(g, true);
+	}
+
 	/*
 	 * Do this early so any early VMs that get made are capable of mapping
 	 * buffers.

drivers/gpu/nvgpu/gv11b/hal_gv11b.c

@@ -533,6 +533,8 @@ static const struct gpu_ops gv11b_ops = {
 			gv11b_slcg_xbar_load_gating_prod,
 		.slcg_hshub_load_gating_prod =
 			gv11b_slcg_hshub_load_gating_prod,
+		.slcg_acb_load_gating_prod =
+			gv11b_slcg_acb_load_gating_prod,
 		.blcg_bus_load_gating_prod =
 			gv11b_blcg_bus_load_gating_prod,
 		.blcg_ce_load_gating_prod =

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

@@ -623,6 +623,7 @@ struct gpu_ops {
 		void (*slcg_therm_load_gating_prod)(struct gk20a *g, bool prod);
 		void (*slcg_xbar_load_gating_prod)(struct gk20a *g, bool prod);
 		void (*slcg_hshub_load_gating_prod)(struct gk20a *g, bool prod);
+		void (*slcg_acb_load_gating_prod)(struct gk20a *g, bool prod);
 		void (*blcg_bus_load_gating_prod)(struct gk20a *g, bool prod);
 		void (*blcg_ce_load_gating_prod)(struct gk20a *g, bool prod);
 		void (*blcg_ctxsw_firmware_load_gating_prod)(struct gk20a *g, bool prod);