aboutsummaryrefslogtreecommitdiffstats
path: root/include/os/linux/ltc.c
diff options
context:
space:
mode:
Diffstat (limited to 'include/os/linux/ltc.c')
-rw-r--r--include/os/linux/ltc.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/include/os/linux/ltc.c b/include/os/linux/ltc.c
deleted file mode 100644
index baeb20b..0000000
--- a/include/os/linux/ltc.c
+++ /dev/null
@@ -1,60 +0,0 @@
1/*
2 * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#include <nvgpu/ltc.h>
24#include <nvgpu/dma.h>
25#include <nvgpu/nvgpu_mem.h>
26#include <nvgpu/gk20a.h>
27
28#include "gk20a/gr_gk20a.h"
29
30int nvgpu_ltc_alloc_cbc(struct gk20a *g, size_t compbit_backing_size,
31 bool vidmem_alloc)
32{
33 struct gr_gk20a *gr = &g->gr;
34 unsigned long flags = 0;
35
36 if (nvgpu_mem_is_valid(&gr->compbit_store.mem))
37 return 0;
38
39 if (vidmem_alloc) {
40 /*
41 * Backing store MUST be physically contiguous and allocated in
42 * one chunk
43 * Vidmem allocation API does not support FORCE_CONTIGUOUS like
44 * flag to allocate contiguous memory
45 * But this allocation will happen in vidmem bootstrap allocator
46 * which always allocates contiguous memory
47 */
48 return nvgpu_dma_alloc_vid(g,
49 compbit_backing_size,
50 &gr->compbit_store.mem);
51 } else {
52 if (!nvgpu_iommuable(g))
53 flags = NVGPU_DMA_FORCE_CONTIGUOUS;
54
55 return nvgpu_dma_alloc_flags_sys(g,
56 flags,
57 compbit_backing_size,
58 &gr->compbit_store.mem);
59 }
60}