diff options
author | David Nieto <dmartineznie@nvidia.com> | 2017-08-04 00:43:50 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-08-11 14:07:17 -0400 |
commit | de8e057f7eebcfe676278826ab457bf86b1b36fd (patch) | |
tree | 1e49d8ca9858406296c12ebcee8e9da2ea9969c2 /drivers/gpu/nvgpu/gv100/mm_gv100.c | |
parent | 026d1f8efec6f88a6a910820b761ba1b335edc72 (diff) |
gpu: nvgpu: GV100 support
Adds support of GV100 up to devinit.
JIRA: EVLR-1693
Change-Id: Ic7aa5f1c20714e05954139f143abb6a3459858fc
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1532747
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gv100/mm_gv100.c')
-rw-r--r-- | drivers/gpu/nvgpu/gv100/mm_gv100.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gv100/mm_gv100.c b/drivers/gpu/nvgpu/gv100/mm_gv100.c new file mode 100644 index 00000000..fbc5df79 --- /dev/null +++ b/drivers/gpu/nvgpu/gv100/mm_gv100.c | |||
@@ -0,0 +1,41 @@ | |||
1 | /* | ||
2 | * GV100 memory management | ||
3 | * | ||
4 | * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms and conditions of the GNU General Public License, | ||
8 | * version 2, as published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
13 | * more details. | ||
14 | */ | ||
15 | |||
16 | #include "gk20a/gk20a.h" | ||
17 | #include "gv11b/mm_gv11b.h" | ||
18 | #include "gv100/mm_gv100.h" | ||
19 | |||
20 | #include <nvgpu/hw/gv100/hw_fb_gv100.h> | ||
21 | |||
22 | static size_t gv100_mm_get_vidmem_size(struct gk20a *g) | ||
23 | { | ||
24 | u32 range = gk20a_readl(g, fb_mmu_local_memory_range_r()); | ||
25 | u32 mag = fb_mmu_local_memory_range_lower_mag_v(range); | ||
26 | u32 scale = fb_mmu_local_memory_range_lower_scale_v(range); | ||
27 | u32 ecc = fb_mmu_local_memory_range_ecc_mode_v(range); | ||
28 | size_t bytes = ((size_t)mag << scale) * SZ_1M; | ||
29 | |||
30 | if (ecc) | ||
31 | bytes = bytes / 16 * 15; | ||
32 | |||
33 | return bytes; | ||
34 | } | ||
35 | |||
36 | void gv100_init_mm(struct gpu_ops *gops) | ||
37 | { | ||
38 | gv11b_init_mm(gops); | ||
39 | gops->mm.get_vidmem_size = gv100_mm_get_vidmem_size; | ||
40 | gops->mm.get_physical_addr_bits = NULL; | ||
41 | } | ||