gpu:nvgpu:sysfs node to update aelpg parameter

Added sysfs node to update aelpg parameter.
Pass parameter as below sequence,
SAMPLING_PERIOD_PG_DEFAULT_US, MINIMUM_IDLE_FILTER_DEFAULT_US,
MINIMUM_TARGET_SAVING_DEFAULT_US, POWER_BREAKEVEN_DEFAULT_US,
CYCLES_PER_SAMPLE_MAX_DEFAULT

Bug 1464737

Change-Id: I46873c463820f30f190c722d7ed038622cb2710f
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/422702
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
index 5c8a3215..fec0a572 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
@@ -1066,6 +1066,7 @@ struct pmu_gk20a {
         bool perfmon_sampling_enabled;
         u8 pmu_mode; /*Added for GM20b, and ACR*/
         u32 falcon_id;
+        u32 aelpg_param[5];
 };
 
 int gk20a_init_pmu_support(struct gk20a *g);
@@ -1109,4 +1110,9 @@ void pmu_seq_init(struct pmu_gk20a *pmu);
 
 int gk20a_init_pmu(struct pmu_gk20a *pmu);
 
+int gk20a_pmu_ap_send_command(struct gk20a *g,
+                union pmu_ap_cmd *p_ap_cmd, bool b_block);
+int gk20a_aelpg_init(struct gk20a *g);
+int gk20a_aelpg_init_and_enable(struct gk20a *g, u8 ctrl_id);
+
 #endif /*__PMU_GK20A_H__*/