gpu: nvgpu: support preprocessing of SM exceptions

Support preprocessing of SM exceptions if API
pointer pre_process_sm_exception() is defined

Also, expose some common APIs

Bug 200156699

Change-Id: I1303642c1c4403c520b62efb6fd83e95eaeb519b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/925883
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index ca5c0ee6..ce91fd49 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -2529,6 +2529,12 @@ int gk20a_fifo_set_channel_priority(
         return 0;
 }
 
+struct channel_gk20a *gk20a_fifo_channel_from_hw_chid(struct gk20a *g,
+                u32 hw_chid)
+{
+        return g->fifo.channel + hw_chid;
+}
+
 void gk20a_init_fifo(struct gpu_ops *gops)
 {
         gk20a_init_channel(gops);