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gpu: nvgpu: remove IO_COHERENT flag

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This patch removes the IO_COHERENT flag as IO
coherence is the default setting.

Bug 3959027

Change-Id: I9800c2b8b161f7bdc2d6856639dd03488881882d
Signed-off-by: Martin Radev <mradev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2887630
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Martin Radev
2023-04-12 22:01:07 +03:00
committed by mobile promotions
parent 81d95456b9
commit 924dd58da0
6 changed files with 2 additions and 22 deletions
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8
userspace/units/mm/gmmu/page_table/page_table.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2021, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2018-2023, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -124,7 +124,7 @@ static struct test_parameters test_iommu_sysmem_coh = {
.aperture = APERTURE_SYSMEM,
.is_iommuable = true,
.rw_flag = gk20a_mem_flag_none,
.flags = NVGPU_VM_MAP_CACHEABLE | NVGPU_VM_MAP_IO_COHERENT,
.flags = NVGPU_VM_MAP_CACHEABLE,
.priv = false,
};
@@ -760,10 +760,6 @@ static u64 gmmu_map_advanced(struct unit_module *m, struct gk20a *g,
mem->cpu_va = NULL;
}
if (nvgpu_is_enabled(g, NVGPU_USE_COHERENT_SYSMEM)) {
params->flags |= NVGPU_VM_MAP_IO_COHERENT;
}
nvgpu_mutex_acquire(&vm->update_gmmu_lock);
vaddr = g->ops.mm.gmmu.map(vm, (u64) mem->cpu_va,