gpu: nvgpu: ga10x: update pdiv_duration for thermal

To keep pdiv_duration at 15usec between steps at 102MHz
utilsclk, update stepping duration value from 0xBF4 to
0x5FA for ga10x.

Bug 200757274

Change-Id: I333a5b0b35307402a734a7eafc4ab13d20316cd1
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2584539
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/hal/init/hal_ga100.c

@@ -1248,6 +1248,8 @@ static const struct gops_mm ga100_ops_mm = {
 
 static const struct gops_therm ga100_ops_therm = {
 	.therm_max_fpdiv_factor = ga10b_therm_max_fpdiv_factor,
+	.therm_grad_stepping_pdiv_duration =
+				ga10b_therm_grad_stepping_pdiv_duration,
 	.init_therm_support = nvgpu_init_therm_support,
 	/* PROD values match with H/W INIT values */
 	.init_elcg_mode = gv11b_therm_init_elcg_mode,

drivers/gpu/nvgpu/hal/init/hal_ga10b.c

@@ -1236,6 +1236,8 @@ static const struct gops_mm ga10b_ops_mm = {
 
 static const struct gops_therm ga10b_ops_therm = {
 	.therm_max_fpdiv_factor = ga10b_therm_max_fpdiv_factor,
+	.therm_grad_stepping_pdiv_duration =
+				ga10b_therm_grad_stepping_pdiv_duration,
 	.init_therm_support = nvgpu_init_therm_support,
 	.init_therm_setup_hw = gv11b_init_therm_setup_hw,
 	.init_elcg_mode = gv11b_therm_init_elcg_mode,

drivers/gpu/nvgpu/hal/init/hal_gv11b.c

@@ -1083,6 +1083,8 @@ static const struct gops_mm gv11b_ops_mm = {
 
 static const struct gops_therm gv11b_ops_therm = {
 	.therm_max_fpdiv_factor = gv11b_therm_max_fpdiv_factor,
+	.therm_grad_stepping_pdiv_duration =
+				gv11b_therm_grad_stepping_pdiv_duration,
 	.init_therm_support = nvgpu_init_therm_support,
 	.init_therm_setup_hw = gv11b_init_therm_setup_hw,
 	.init_elcg_mode = gv11b_therm_init_elcg_mode,

drivers/gpu/nvgpu/hal/therm/therm_ga10b.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2020-2021, 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"),
@@ -25,6 +25,7 @@
 struct gk20a;
 
 u32 ga10b_therm_max_fpdiv_factor(void);
+u32 ga10b_therm_grad_stepping_pdiv_duration(void);
 int ga10b_elcg_init_idle_filters(struct gk20a *g);
 
 #endif /* THERM_GA10B_H */

drivers/gpu/nvgpu/hal/therm/therm_ga10b_fusa.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2020-2021, 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"),
@@ -34,6 +34,12 @@
 #include <nvgpu/hw/ga10b/hw_therm_ga10b.h>
 
 u32 ga10b_therm_max_fpdiv_factor(void)
+{
+	/* minimum duration between steps 15usec * UTILSCLK@102 MHz */
+	return 0x5FA;
+}
+
+u32 ga10b_therm_grad_stepping_pdiv_duration(void)
 {
 	return therm_grad_stepping_table_slowdown_factor0_fpdiv_by31_f();
 }

drivers/gpu/nvgpu/hal/therm/therm_gv11b.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2017-2021, 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"),
@@ -27,5 +27,6 @@ int gv11b_elcg_init_idle_filters(struct gk20a *g);
 int gv11b_init_therm_setup_hw(struct gk20a *g);
 void gv11b_therm_init_elcg_mode(struct gk20a *g, u32 mode, u32 engine);
 u32 gv11b_therm_max_fpdiv_factor(void);
+u32 gv11b_therm_grad_stepping_pdiv_duration(void);
 
 #endif /* THERM_GV11B_H */

drivers/gpu/nvgpu/hal/therm/therm_gv11b_fusa.c

@@ -1,7 +1,7 @@
 /*
  * GV11B Therm
  *
- * Copyright (c) 2015-2020, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2015-2021, 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"),
@@ -191,3 +191,9 @@ u32 gv11b_therm_max_fpdiv_factor(void)
 {
 	return therm_grad_stepping_table_slowdown_factor0_fpdiv_by32_f();
 }
+
+u32 gv11b_therm_grad_stepping_pdiv_duration(void)
+{
+	/* minimum duration between steps 15usec * UTILSCLK@204 MHz */
+	return 0xBF4;
+}

drivers/gpu/nvgpu/include/nvgpu/gops/therm.h

@@ -137,6 +137,7 @@ struct gops_therm {
 	void (*therm_debugfs_init)(struct gk20a *g);
 #endif
 	u32 (*therm_max_fpdiv_factor)(void);
+	u32 (*therm_grad_stepping_pdiv_duration)(void);
 	void (*get_internal_sensor_curr_temp)(struct gk20a *g, u32 *temp_f24_8);
 	/** @endcond DOXYGEN_SHOULD_SKIP_THIS */
 };