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gpu: nvgpu: Introduce queries for big page sizes

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Introduce query functions for default big page size and available
big page sizes. Move initialization of GPU characteristics big
page sizes to the GPU characteristics query function.

JIRA NVGPU-259

Change-Id: Ie66cc2fbfcd88205593056f8d5010ac2539c8bc2
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1593685
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 09:56:40 -08:00
committed by mobile promotions
parent a51219e526
commit 58dd20f86b
5 changed files with 34 additions and 13 deletions
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5
drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
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@@ -211,6 +211,11 @@ gk20a_ctrl_ioctl_gpu_characteristics(
pgpu->vbios_version = g->bios.vbios_version;
pgpu->vbios_oem_version = g->bios.vbios_oem_version;
pgpu->big_page_size = nvgpu_mm_get_default_big_page_size(g);
pgpu->pde_coverage_bit_count =
g->ops.mm.get_mmu_levels(g, pgpu->big_page_size)[0].lo_bit[0];
pgpu->available_big_page_sizes = nvgpu_mm_get_available_big_page_sizes(g);
if (request->gpu_characteristics_buf_size > 0) {
size_t write_size = sizeof(*pgpu);