gpu: nvgpu: handle vf curve change due to temp

JIRA DNVGPU-129

1)Add function hook for PMU VFE event handler which will do for VF
curve re-evaluation

2)Add function hook to send temperature limit of GPU sensor

3)Call VFE event handler from PMU's event handle function

Change-Id: I2e3577d3d895e97e6ad06e92f0f4827f9855d0b6
Signed-off-by: Vijayakumar <vsubbu@nvidia.com>
Reviewed-on: http://git-master/r/1245393
(cherry picked from commit 1a5c6c32cdec73fb23735430f43577eda675e5af)
Reviewed-on: http://git-master/r/1268060
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/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 02d3ffe0..ed3a1d2d 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -589,6 +589,8 @@ struct gpu_ops {
                 int (*elcg_init_idle_filters)(struct gk20a *g);
                 void (*therm_debugfs_init)(struct gk20a *g);
                 int (*get_internal_sensor_curr_temp)(struct gk20a *g, u32 *temp_f24_8);
+                void (*get_internal_sensor_limits)(s32 *max_24_8,
+                                                        s32 *min_24_8);
         } therm;
         struct {
                 bool (*is_pmu_supported)(struct gk20a *g);
@@ -642,6 +644,9 @@ struct gpu_ops {
                 int (*get_arbiter_clk_default)(struct gk20a *g, u32 api_domain,
                                 u16 *default_mhz);
         } clk_arb;
+        struct {
+                int (*handle_pmu_perf_event)(struct gk20a *g, void *pmu_msg);
+        } perf;
         bool privsecurity;
         bool securegpccs;
         bool pmupstate;