gpu: nvgpu: set CE prod values

Add g->ops.ce.init_prod_values() hal for gv11b to initialize
PROD values of CE unit

Bug 2526212

Chery-pick/manual port from dev-main

Change-Id: I8e516b292622e09c537feb7830392648116baa7c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2150874
(cherry picked from commit 0e6a305c6af3ea6d9a0cad7b4071f68028a1aebe)
Reviewed-on: https://git-master.nvidia.com/r/2224709
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-by: Luis Dib <ldib@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

3 files changed, 18 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/ce_gv11b.c b/drivers/gpu/nvgpu/gv11b/ce_gv11b.c
index 2eea11df..035f2ef9 100644
--- a/drivers/gpu/nvgpu/gv11b/ce_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/ce_gv11b.c
@@ -1,7 +1,7 @@
 /*
  * Volta GPU series Copy Engine.
  *
- * Copyright (c) 2016-2018, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2016-2019, 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"),
@@ -108,3 +108,17 @@ void gv11b_ce_mthd_buffer_fault_in_bar2_fault(struct gk20a *g)
                 }
         }
 }
+
+void gv11b_ce_init_prod_values(struct gk20a *g)
+{
+        u32 reg_val;
+        u32 num_lce, lce;
+
+        num_lce = gv11b_ce_get_num_lce(g);
+
+        for (lce = 0U; lce < num_lce; lce++) {
+                reg_val = nvgpu_readl(g, ce_lce_opt_r(lce));
+                reg_val |= ce_lce_opt_force_barriers_npl__prod_f();
+                nvgpu_writel(g, ce_lce_opt_r(lce), reg_val);
+        }
+}
diff --git a/drivers/gpu/nvgpu/gv11b/ce_gv11b.h b/drivers/gpu/nvgpu/gv11b/ce_gv11b.h
index 43a891e6..985117f4 100644
--- a/drivers/gpu/nvgpu/gv11b/ce_gv11b.h
+++ b/drivers/gpu/nvgpu/gv11b/ce_gv11b.h
@@ -2,7 +2,7 @@
  *
  * Volta GPU series copy engine
  *
- * Copyright (c) 2016-2018, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2016-2019, 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"),
@@ -31,5 +31,6 @@ void gv11b_ce_mthd_buffer_fault_in_bar2_fault(struct gk20a *g);
 u32 gv11b_ce_get_num_lce(struct gk20a *g);
 u32 gv11b_ce_get_num_pce(struct gk20a *g);
 void gv11b_ce_isr(struct gk20a *g, u32 inst_id, u32 pri_base);
+void gv11b_ce_init_prod_values(struct gk20a *g);
 
 #endif /* NVGPU_CE_GV11B_H */
diff --git a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
index 38f21bff..4f298133 100644
--- a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
@@ -278,6 +278,7 @@ static const struct gpu_ops gv11b_ops = {
                 .isr_stall = gv11b_ce_isr,
                 .isr_nonstall = gp10b_ce_nonstall_isr,
                 .get_num_pce = gv11b_ce_get_num_pce,
+                .init_prod_values = gv11b_ce_init_prod_values,
         },
         .gr = {
                 .get_patch_slots = gr_gv100_get_patch_slots,