gpu: nvgpu: check for pmu enable

Check for pmu enable, before calling pmu_destrory().

Change-Id: I64c5071ed69b6b50140e46da48a2b165c1f7ba02
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1313391
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 32570d3d..e2795fbf 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -817,7 +817,8 @@ static int gk20a_pm_prepare_poweroff(struct device *dev)
                 goto done;
 
         /* disable elpg before gr or fifo suspend */
-        ret |= gk20a_pmu_destroy(g);
+        if (g->ops.pmu.is_pmu_supported(g))
+                ret |= gk20a_pmu_destroy(g);
         /*
          * After this point, gk20a interrupts should not get
          * serviced.