gpu: nvgpu: read effective frequency from counter

JIRA DNVGPU-164

Adding export functions to gk20a and gk20a_clk structure

Change-Id: Ia448f17a6c456139544c1d36a3e17ceec0edd2f6
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1239465
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1268000
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 071111ab..49c2a348 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -633,6 +633,7 @@ struct gpu_ops {
                 int (*init_clk_support)(struct gk20a *g);
                 int (*suspend_clk_support)(struct gk20a *g);
                 u32 (*get_crystal_clk_hz)(struct gk20a *g);
+                u16 (*get_rate)(struct gk20a *g, u32 api_domain);
         } clk;
         struct {
                 u32 (*get_arbiter_clk_domains)(struct gk20a *g);