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8edf67e2e5
Unset get_phys_addr_bits as PCIe devices do not need to care if SMMU is enabled or not. Jira VFND-1965 Change-Id: Ice87ff06087ec6c0a123dcf054717eff80acc8f9 Signed-off-by: Thomas Fleury <tfleury@nvidia.com> Reviewed-on: http://git-master/r/1183085 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Richard Zhao <rizhao@nvidia.com> Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* GP106 memory management
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*
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* Copyright (c) 2016, 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 "hw_fb_gp106.h"
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static 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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void gp106_init_mm(struct gpu_ops *gops)
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{
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gp10b_init_mm(gops);
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gops->mm.get_vidmem_size = gp106_mm_get_vidmem_size;
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gops->mm.get_physical_addr_bits = NULL;
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}
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