tegra: host: t210: use per device policy

MLOCK feature in T210 host1x is not supported so change the resource
policy for each engine to 'RESOURCE_PER_DEVICE' to serialize the taks
from applications through a single channel to each hardware engine.
This is with an exception on tsec which is using single channel operation.

Bug 2550468

Change-Id: I166b8af286461a13e543f1da7495c34abc948241
Signed-off-by: Ken Chang <kenc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2152237
(cherry picked from commit ff20edb0674dd9083395327a529e8674f3f70410)
Reviewed-on: https://git-master.nvidia.com/r/2226976
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/nvhost.h b/include/linux/nvhost.h
index 68b967888..ade9da2de 100644
--- a/include/linux/nvhost.h
+++ b/include/linux/nvhost.h
@@ -728,6 +728,9 @@ int nvhost_channel_map(struct nvhost_device_data *pdata,
                         struct nvhost_channel **ch,
                         void *identifier);
 void nvhost_putchannel(struct nvhost_channel *ch, int cnt);
+void nvhost_getchannel(struct nvhost_channel *ch);
+bool nvhost_channel_is_resource_policy_per_device(
+                        struct nvhost_device_data *pdata);
 /* Allocate memory for a job. Just enough memory will be allocated to
  * accomodate the submit announced in submit header.
  */