gpu: nvgpu: vgpu: support additional notifications

Client notification support is now added for the following:
- stalling and non-stalling GR sema release
- non-stalling FIFO channel intr
- non-stalling CE2 nonblockpipe intr

Bug 200097077

Change-Id: Icd3c076d7880e1c9ef1fcc0fc58eed9f23f39277
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/736064
(cherry picked from commit 0585d1f14d5a5ae1ccde8ccb7b7daa5593b3d1bc)
Reviewed-on: http://git-master/r/759824
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
index 23ff8677..84bb3646 100644
--- a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
@@ -566,6 +566,23 @@ int vgpu_fifo_isr(struct gk20a *g, struct tegra_vgpu_fifo_intr_info *info)
         return 0;
 }
 
+int vgpu_fifo_nonstall_isr(struct gk20a *g,
+                        struct tegra_vgpu_fifo_nonstall_intr_info *info)
+{
+        gk20a_dbg_fn("");
+
+        switch (info->type) {
+        case TEGRA_VGPU_FIFO_NONSTALL_INTR_CHANNEL:
+                gk20a_channel_semaphore_wakeup(g);
+                break;
+        default:
+                WARN_ON(1);
+                break;
+        }
+
+        return 0;
+}
+
 void vgpu_init_fifo_ops(struct gpu_ops *gops)
 {
         gops->fifo.bind_channel = vgpu_channel_bind;