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gpu: nvgpu: Hard code map_buffer_batch_limit

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Add a hard coded #define for map_buffer_batch_limit and use that
insted of querying from GPU characteristics. Also add an
nvgpu_is_enabled() flag for disabling batch mapping, and set
map_buffer_batch_limit to zero if batch mapping is disabled.

JIRA NVGPU-388

Change-Id: Ic91feea638d0f47c5c22321886cfc75e97259dc3
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1593690
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Terje Bergstrom
2017-11-07 11:01:26 -08:00
committed by mobile promotions
parent e728fbecba
commit 8e611fb654
6 changed files with 13 additions and 6 deletions
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2
drivers/gpu/nvgpu/include/nvgpu/enabled.h
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@@ -66,6 +66,8 @@ struct gk20a;
#define NVGPU_SUPPORT_SPARSE_ALLOCS 23
/* Direct PTE kind control is supported (map_buffer_ex) */
#define NVGPU_SUPPORT_MAP_DIRECT_KIND_CTRL 24
/* Support batch mapping */
#define NVGPU_SUPPORT_MAP_BUFFER_BATCH 25
/*
* Host flags