gpu: nvgpu: add flag for over power monitoring

On PG418, we hard code SW threshold table for over power
monitoring. On PG419, there is a dedicated INA for over
power monitoring. It is programmed in VBIOS devinit.
Added a platform flag to indicate if devinit has already
taken care of programming.

Jira DNVGPU-206

Change-Id: I28e70ac5621b692864a24e0eadb6d24b9957c0af
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1291813
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
index 3c2db924..fa0909ee 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
@@ -255,6 +255,11 @@ struct gk20a_platform {
 
         /* true if we run preos microcode on this board */
         bool run_preos;
+
+        /* true if we need to program sw threshold for
+         * power limits
+         */
+        bool hardcode_sw_threshold;
 };
 
 static inline struct gk20a_platform *gk20a_get_platform(