gpu: nvgpu: Add GCC exception handling support

Add support for per-chip handling of GCC exception.

JIRA GPUT19X-86

Change-Id: I76ea588dc76b5c821ae5b53529db6dd64b3a856a
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1485836
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 3486076e..4d41f9ff 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -6348,6 +6348,15 @@ static int gk20a_gr_handle_gpc_exception(struct gk20a *g, bool *post_event,
                          * exceptions to be cleared */
                         gk20a_gr_clear_sm_hww(g, gpc, tpc, global_esr);
                 }
+
+                /* Handle GCC exception */
+                if(gr_gpc0_gpccs_gpc_exception_gcc_v(gpc_exception) &&
+                                g->ops.gr.handle_gcc_exception) {
+                        int gcc_ret = 0;
+                        gcc_ret = g->ops.gr.handle_gcc_exception(g, gpc, tpc,
+                                post_event, fault_ch, hww_global_esr);
+                        ret = ret ? ret : gcc_ret;
+                }
         }
 
         return ret;