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gpu: nvgpu: vgpu: add function vgpu_is_reduced_bar1()

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The implementation is os specific for now.

Jira EVLR-2364

Change-Id: I8ac390b056aa9ca5b5d4ab2ac4dbc06f6689f4a4
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1649944
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Nirav Patel <nipatel@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Richard Zhao
2018-01-29 21:31:38 -08:00
committed by mobile promotions
parent 8202be50ce
commit 583c3c9dd4
3 changed files with 10 additions and 6 deletions
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8
drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
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@@ -461,3 +461,11 @@ int vgpu_remove(struct platform_device *pdev)
return 0;
}
bool vgpu_is_reduced_bar1(struct gk20a *g)
{
struct fifo_gk20a *f = &g->fifo;
struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
return resource_size(l->bar1_mem) == (resource_size_t)f->userd.size;
}