gpu: nvgpu: gv100 temperature read support

- Enabled internal temperature sensor read for gv100
  dgpu.
- Added check to temperature read support before
  proceeding to read temperature from H/W
- Assigned GP106 temperature HAL's for GV100 as no changes
  between GP106 & GV100 H/W registers.

Bug 200352328

Change-Id: I86b5a1859b87ace49a07d0ff3749bb5b085bba91
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1673347
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c b/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
index 12e3a297..c37f45dd 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
@@ -1376,6 +1376,9 @@ static int nvgpu_gpu_get_temperature(struct gk20a *g,
         if (args->reserved[0] || args->reserved[1] || args->reserved[2])
                 return -EINVAL;
 
+        if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_GET_TEMPERATURE))
+                return -EINVAL;
+
         if (!g->ops.therm.get_internal_sensor_curr_temp)
                 return -EINVAL;
 
diff --git a/drivers/gpu/nvgpu/gv100/hal_gv100.c b/drivers/gpu/nvgpu/gv100/hal_gv100.c
index 1091cbd2..cf751135 100644
--- a/drivers/gpu/nvgpu/gv100/hal_gv100.c
+++ b/drivers/gpu/nvgpu/gv100/hal_gv100.c
@@ -246,6 +246,7 @@ int gv100_init_gpu_characteristics(struct gk20a *g)
                 return err;
 
         __nvgpu_set_enabled(g, NVGPU_SUPPORT_TSG_SUBCONTEXTS, true);
+        __nvgpu_set_enabled(g, NVGPU_SUPPORT_GET_TEMPERATURE, true);
 
         return 0;
 }
@@ -587,6 +588,14 @@ static const struct gpu_ops gv100_ops = {
                 .exit = gk20a_pramin_exit,
                 .data032_r = pram_data032_r,
         },
+        .therm = {
+#ifdef CONFIG_DEBUG_FS
+                .therm_debugfs_init = gp106_therm_debugfs_init,
+#endif /* CONFIG_DEBUG_FS */
+                .elcg_init_idle_filters = gp106_elcg_init_idle_filters,
+                .get_internal_sensor_curr_temp =
+                        gp106_get_internal_sensor_curr_temp,
+        },
         .pmu = {
                 .init_wpr_region = gv100_pmu_init_acr,
                 .load_lsfalcon_ucode = gv100_load_falcon_ucode,