video/tegra/vhost: add channel recovery support

- Use first_get as job id passed to RM server as submit parameter.
- Handle cdma timeout sent from RM server
  Find current cdma by client id and job id. Increment all sync points of
  timeout channels.

Bug 1641792

Change-Id: I48f60e2b36401377aec4e00d2f52f8081c8c1d74
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/741037
(cherry picked from commit 0c252168f04671c596fe37801891d93744474d15)
Reviewed-on: http://git-master/r/771893
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Tested-by: Arto Merilainen <amerilainen@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/nvhost.h b/include/linux/nvhost.h
index 5bb4efa1d..182b22b34 100644
--- a/include/linux/nvhost.h
+++ b/include/linux/nvhost.h
@@ -319,6 +319,10 @@ struct nvhost_device_data {
 
         /* Should we enable context isolation for this device? */
         bool isolate_contexts;
+
+        /* channel user context list */
+        struct mutex userctx_list_lock;
+        struct list_head userctx_list;
 };