nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-22 17:36:20 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: add NVGPU_SUBMIT_GPFIFO_FLAGS_RESCHEDULE_RUNLIST

Browse Source 
NVGPU_SUBMIT_GPFIFO_FLAGS_RESCHEDULE_RUNLIST causes host to expire
current timeslice and reschedule from front of runlist.
This can be used with NVGPU_RUNLIST_INTERLEAVE_LEVEL_HIGH to make a
channel start sooner after submit rather than waiting for natural
timeslice expiration or block/finish of currently running channel.

Bug 1968813

Change-Id: I632e87c5f583a09ec8bf521dc73f595150abebb0
Signed-off-by: David Li <davli@nvidia.com>
Reviewed-on: http://git-master/r/#/c/1537198
Reviewed-on: https://git-master.nvidia.com/r/1537198
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
David Li
2017-08-10 21:44:28 -07:00
committed by mobile promotions
parent 4995389f68
commit a199baede7
9 changed files with 47 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/uapi/linux/nvgpu.h
View File

@@ -144,6 +144,8 @@ struct nvgpu_gpu_zbc_query_table_args {
#define NVGPU_GPU_FLAGS_SUPPORT_DETERMINISTIC_SUBMIT_FULL (1ULL << 19)
/* IO coherence support is available */
#define NVGPU_GPU_FLAGS_SUPPORT_IO_COHERENCE (1ULL << 20)
/* NVGPU_SUBMIT_GPFIFO_FLAGS_RESCHEDULE_RUNLIST is available */
#define NVGPU_GPU_FLAGS_SUPPORT_RESCHEDULE_RUNLIST (1ULL << 21)
struct nvgpu_gpu_characteristics {
__u32 arch;
@@ -1404,6 +1406,8 @@ struct nvgpu_fence {
#define NVGPU_SUBMIT_GPFIFO_FLAGS_SUPPRESS_WFI (1 << 4)
/* skip buffer refcounting during submit */
#define NVGPU_SUBMIT_GPFIFO_FLAGS_SKIP_BUFFER_REFCOUNTING (1 << 5)
/* expire current timeslice and reschedule runlist from front */
#define NVGPU_SUBMIT_GPFIFO_FLAGS_RESCHEDULE_RUNLIST (1 << 6)
struct nvgpu_submit_gpfifo_args {
__u64 gpfifo;