gpu: nvgpu: vgpu: NULL out unused css entries

Fix cyclestats snapshots HAL entries in the vgpu case, need
to null out the ones that don't apply.

Bug 1700143
JIRA EVLR-278

Change-Id: I1b5f4652d1bf3283d96fdb3c2f66c4f69a9f6acc
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1217507
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/css_vgpu.c b/drivers/gpu/nvgpu/vgpu/css_vgpu.c
index 486d3e88..bc4760cb 100644
--- a/drivers/gpu/nvgpu/vgpu/css_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/css_vgpu.c
@@ -217,5 +217,10 @@ void vgpu_init_css_ops(struct gpu_ops *gops)
         gops->css.disable_snapshot = vgpu_css_release_snapshot_buffer;
         gops->css.check_data_available = vgpu_css_flush_snapshots;
         gops->css.detach_snapshot = vgpu_css_detach;
+
+        /* Following entries are not used when virtual, NULL them */
+        gops->css.set_handled_snapshots = NULL;
+        gops->css.allocate_perfmon_ids = NULL;
+        gops->css.release_perfmon_ids = NULL;
 }
 #endif /* CONFIG_GK20A_CYCLE_STATS */