gpu: nvgpu: gv11b: update thermal settings

For gv11b, update thermal settings as per hw POR:
1.Created gv11b specific HAL for init_therm_setup_hw
2.Update steps for gradual slowdown to 1x,1.5x,2x,4x,8x,16x,32x.
3.Modified gradual step duration cycles to 4.

Bug 200365110

Change-Id: I93c28a3394857aacdf3d304103c9e7c25d4ad344
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1616600
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/therm_gv11b.c b/drivers/gpu/nvgpu/gv11b/therm_gv11b.c
index 18987119..f2d929fa 100644
--- a/drivers/gpu/nvgpu/gv11b/therm_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/therm_gv11b.c
@@ -28,6 +28,68 @@
 
 #include <nvgpu/hw/gv11b/hw_therm_gv11b.h>
 
+int gv11b_init_therm_setup_hw(struct gk20a *g)
+{
+        u32 v;
+
+        gk20a_dbg_fn("");
+
+        /* program NV_THERM registers */
+        gk20a_writel(g, therm_use_a_r(), therm_use_a_ext_therm_0_enable_f() |
+                                        therm_use_a_ext_therm_1_enable_f()  |
+                                        therm_use_a_ext_therm_2_enable_f());
+        gk20a_writel(g, therm_evt_ext_therm_0_r(),
+                therm_evt_ext_therm_0_slow_factor_f(0x2));
+        gk20a_writel(g, therm_evt_ext_therm_1_r(),
+                therm_evt_ext_therm_1_slow_factor_f(0x6));
+        gk20a_writel(g, therm_evt_ext_therm_2_r(),
+                therm_evt_ext_therm_2_slow_factor_f(0xe));
+
+        gk20a_writel(g, therm_grad_stepping_table_r(0),
+                therm_grad_stepping_table_slowdown_factor0_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by1_f()) |
+                therm_grad_stepping_table_slowdown_factor1_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by1p5_f()) |
+                therm_grad_stepping_table_slowdown_factor2_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by2_f()) |
+                therm_grad_stepping_table_slowdown_factor3_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by4_f()) |
+                therm_grad_stepping_table_slowdown_factor4_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
+
+        gk20a_writel(g, therm_grad_stepping_table_r(1),
+                therm_grad_stepping_table_slowdown_factor0_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by16_f()) |
+                therm_grad_stepping_table_slowdown_factor1_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by32_f()) |
+                therm_grad_stepping_table_slowdown_factor2_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by32_f()) |
+                therm_grad_stepping_table_slowdown_factor3_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by32_f()) |
+                therm_grad_stepping_table_slowdown_factor4_f(
+                therm_grad_stepping_table_slowdown_factor0_fpdiv_by32_f()));
+
+        v = gk20a_readl(g, therm_clk_timing_r(0));
+        v |= therm_clk_timing_grad_slowdown_enabled_f();
+        gk20a_writel(g, therm_clk_timing_r(0), v);
+
+        v = gk20a_readl(g, therm_config2_r());
+        v |= therm_config2_grad_enable_f(1);
+        v |= therm_config2_slowdown_factor_extended_f(1);
+        v = set_field(v, therm_config2_grad_step_duration_m(),
+                        therm_config2_grad_step_duration_f(0));
+        gk20a_writel(g, therm_config2_r(), v);
+
+        gk20a_writel(g, therm_grad_stepping1_r(),
+                        therm_grad_stepping1_pdiv_duration_f(0x40));
+
+        v = gk20a_readl(g, therm_grad_stepping0_r());
+        v |= therm_grad_stepping0_feature_enable_f();
+        gk20a_writel(g, therm_grad_stepping0_r(), v);
+
+        return 0;
+}
+
 int gv11b_elcg_init_idle_filters(struct gk20a *g)
 {
         u32 gate_ctrl, idle_filter;