gpu: nvgpu: post bpt events after processing

We currently post bpt events (bpt.int and bpt.pause) even
before we process and clear the interrupts and this
could cause races with UMD

Fix this by posting bpt events only after we are done
processing the interrupts

Bug 200209410

Change-Id: Ic3ff7148189fccb796cb6175d6d22ac25a4097fb
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1184109
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 7eb98a2c..6f735af9 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -264,7 +264,8 @@ struct gpu_ops {
                                 bool *early_exit, bool *ignore_debugger);
                 u32 (*mask_hww_warp_esr)(u32 hww_warp_esr);
                 int (*handle_sm_exception)(struct gk20a *g, u32 gpc, u32 tpc,
-                        bool *post_event, struct channel_gk20a *fault_ch);
+                        bool *post_event, struct channel_gk20a *fault_ch,
+                        u32 *hww_global_esr);
                 int (*handle_tex_exception)(struct gk20a *g, u32 gpc, u32 tpc,
                                                 bool *post_event);
                 void (*create_gr_sysfs)(struct device *dev);