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gpu: nvgpu: add characteristics flag to support IO coherence

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Add a flag NVGPU_GPU_FLAGS_SUPPORT_IO_COHERENCE to nvgpu_gpu_characteristics
to indicate if IO coherence support is enabled on platform or not

Jira GPUT19X-17
Bug 1651331
Bug 200283998

Change-Id: Iba8fa797d6786bbc770ac45a3e39322f87be6e3f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master/r/1512599
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
This commit is contained in:
Deepak Nibade
2017-07-03 16:10:00 +05:30
committed by mobile promotions
parent 6c643bdb5f
commit 8bdb74786c
1 changed files with 2 additions and 0 deletions
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2
include/uapi/linux/nvgpu.h
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@@ -142,6 +142,8 @@ struct nvgpu_gpu_zbc_query_table_args {
#define NVGPU_GPU_FLAGS_SUPPORT_DETERMINISTIC_SUBMIT_NO_JOBTRACKING (1ULL << 18)
/* Deterministic submits are supported even with job tracking */
#define NVGPU_GPU_FLAGS_SUPPORT_DETERMINISTIC_SUBMIT_FULL (1ULL << 19)
/* IO coherence support is available */
#define NVGPU_GPU_FLAGS_SUPPORT_IO_COHERENCE (1ULL << 20)
struct nvgpu_gpu_characteristics {
__u32 arch;