gpu: nvgpu: disallow invalid syncpoint wait ids

Instead of ignoring a wait when a raw syncpoint prefence has an invalid
id, reject the submit with -EINVAL just like with syncpoints in syncfds.

Change-Id: I9b5c417bd1c7cd081c79659d088ac2c915de8c0e
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1680281
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
index 25c57681..e94a112f 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c
@@ -58,10 +58,8 @@ static int gk20a_channel_syncpt_wait_syncpt(struct gk20a_channel_sync *s,
         struct channel_gk20a *c = sp->c;
         int err = 0;
 
-        if (!nvgpu_nvhost_syncpt_is_valid_pt_ext(sp->nvhost_dev, id)) {
-                nvgpu_warn(c->g, "invalid wait id in gpfifo submit, elided");
-                return 0;
-        }
+        if (!nvgpu_nvhost_syncpt_is_valid_pt_ext(sp->nvhost_dev, id))
+                return -EINVAL;
 
         if (nvgpu_nvhost_syncpt_is_expired_ext(sp->nvhost_dev, id, thresh))
                 return 0;