diff options
author | Deepak Goyal <dgoyal@nvidia.com> | 2017-10-27 05:21:17 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-11-02 08:09:29 -0400 |
commit | 730ba218c1a57486f05e02cfaddf6a75e95ff498 (patch) | |
tree | 5df44782e95507ccdd2968ef34c4906f3ffb8aa6 /include/uapi/linux | |
parent | f472922b3582dbba78b633958a4cb7b65ddb3f03 (diff) |
gpu: nvgpu: gv11b: Kernel iface for Dynamic TPC-PG
This patch adds kernel interface for dynamic TPC-PG feature.
User-space needs to send TPC-PG args to kernel via ioctl.
Dynamic TPC-PG feature will allow every context to specify the
number of TPC's it will use to run its workload.
This way, graphics driver can power off non-required TPC's
if a particular context has light to medium workload.
JIRA GPUT19x-16
Change-Id: Id4846245a6414b719599d04784cbe2ca5282f4ad
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1575848
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r-- | include/uapi/linux/nvgpu-t19x.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/uapi/linux/nvgpu-t19x.h b/include/uapi/linux/nvgpu-t19x.h index f56bc9d7..27db97c0 100644 --- a/include/uapi/linux/nvgpu-t19x.h +++ b/include/uapi/linux/nvgpu-t19x.h | |||
@@ -44,8 +44,9 @@ struct nvgpu_tsg_bind_channel_ex_args { | |||
44 | 44 | ||
45 | /* in: VEID in Volta */ | 45 | /* in: VEID in Volta */ |
46 | __u32 subcontext_id; | 46 | __u32 subcontext_id; |
47 | 47 | __u32 num_active_tpcs; | |
48 | __u64 reserved[2]; | 48 | __u8 tpc_pg_enabled; |
49 | __u8 reserved[11]; | ||
49 | }; | 50 | }; |
50 | 51 | ||
51 | #define NVGPU_TSG_IOCTL_BIND_CHANNEL_EX \ | 52 | #define NVGPU_TSG_IOCTL_BIND_CHANNEL_EX \ |