gpu: nvgpu: Add HAL for dumping ctxsw statistics

Add HAL for dumping ctxsw statistics. The statistics are dependent on
the architecture, and the function that calls this operation needs to
be moved to gk20a.

Bug 1842197

Change-Id: I285c74b8ddc8c7854c85b3fef4cbfc582098919e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1632681
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
index 68d18aa1..ca2bc52b 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
@@ -1115,8 +1115,8 @@ fail_free_gk20a_ctx:
         return err;
 }
 
-static void dump_ctx_switch_stats(struct gk20a *g, struct vm_gk20a *vm,
-                  struct gr_ctx_desc *gr_ctx)
+void gr_gp10b_dump_ctxsw_stats(struct gk20a *g, struct vm_gk20a *vm,
+                               struct gr_ctx_desc *gr_ctx)
 {
         struct nvgpu_mem *mem = &gr_ctx->mem;
 
@@ -1175,8 +1175,9 @@ void gr_gp10b_free_gr_ctx(struct gk20a *g, struct vm_gk20a *vm,
         if (!gr_ctx)
                 return;
 
-        if (g->gr.ctx_vars.dump_ctxsw_stats_on_channel_close)
-                dump_ctx_switch_stats(g, vm, gr_ctx);
+        if (g->ops.gr.dump_ctxsw_stats &&
+            g->gr.ctx_vars.dump_ctxsw_stats_on_channel_close)
+                g->ops.gr.dump_ctxsw_stats(g, vm, gr_ctx);
 
         nvgpu_dma_unmap_free(vm, &gr_ctx->pagepool_ctxsw_buffer);
         nvgpu_dma_unmap_free(vm, &gr_ctx->betacb_ctxsw_buffer);