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959c02d675
Reorganize HAL initialization to remove inheritance and construct the gpu_ops struct at compile time. This patch only covers the mm sub-module of the gpu_ops struct. Perform HAL function assignments in hal_gxxxx.c through the population of a chip-specific copy of gpu_ops. Jira NVGPU-74 Change-Id: Ieb87a62f047510e51c52e6563d8e3fd5a65b5f28 Signed-off-by: Sunny He <suhe@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1537753 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
/*
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* GP106 memory management
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*
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* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include "gk20a/gk20a.h"
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#include "gp10b/mm_gp10b.h"
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#include "gp106/mm_gp106.h"
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#include <nvgpu/hw/gp106/hw_fb_gp106.h>
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size_t gp106_mm_get_vidmem_size(struct gk20a *g)
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{
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u32 range = gk20a_readl(g, fb_mmu_local_memory_range_r());
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u32 mag = fb_mmu_local_memory_range_lower_mag_v(range);
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u32 scale = fb_mmu_local_memory_range_lower_scale_v(range);
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u32 ecc = fb_mmu_local_memory_range_ecc_mode_v(range);
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size_t bytes = ((size_t)mag << scale) * SZ_1M;
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if (ecc)
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bytes = bytes / 16 * 15;
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return bytes;
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}
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