gpu: nvgpu: pmu: check before initializing perfmon

We should check if perfmon is enabled before sending
perfmon init command. This is needed for debug purposes.

Change-Id: Ia95a590a76074c469b5d87a5820cd5b2e50d13be
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master/r/1510036
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
index 04ac2505..81402ad0 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
@@ -93,6 +93,9 @@ struct gk20a_platform {
         /* Adaptative ELPG: true = enable flase = disable */
         bool enable_aelpg;
 
+        /* PMU Perfmon: true = enable false = disable */
+        bool enable_perfmon;
+
         /* Memory System Clock Gating: true = enable flase = disable*/
         bool enable_mscg;