2 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
index c5572603..90fbc079 100644
--- a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
+++ b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
@@ -31,6 +31,7 @@
 #include <nvgpu/soc.h>
 #include <nvgpu/ctxsw_trace.h>
 #include <nvgpu/defaults.h>
+#include <nvgpu/ltc.h>
 
 #include "vgpu_linux.h"
 #include "vgpu/fecs_trace_vgpu.h"
@@ -177,6 +178,12 @@ int vgpu_pm_finalize_poweron(struct device *dev)
         if (g->ops.ltc.init_fs_state)
                 g->ops.ltc.init_fs_state(g);
 
+        err = nvgpu_init_ltc_support(g);
+        if (err) {
+                nvgpu_err(g, "failed to init ltc");
+                goto done;
+        }
+
         err = vgpu_init_mm_support(g);
         if (err) {
                 nvgpu_err(g, "failed to init gk20a mm");
diff --git a/drivers/gpu/nvgpu/common/ltc.c b/drivers/gpu/nvgpu/common/ltc.c
index 024c2e49..dec4a80c 100644
--- a/drivers/gpu/nvgpu/common/ltc.c
+++ b/drivers/gpu/nvgpu/common/ltc.c
@@ -42,6 +42,9 @@ int nvgpu_init_ltc_support(struct gk20a *g)
 
 void nvgpu_ltc_sync_enabled(struct gk20a *g)
 {
+        if (!g->ops.ltc.set_enabled)
+                return;
+
         nvgpu_spinlock_acquire(&g->ltc_enabled_lock);
         if (g->mm.ltc_enabled_current != g->mm.ltc_enabled_target) {
                 g->ops.ltc.set_enabled(g, g->mm.ltc_enabled_target);