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Diffstat (limited to 'drivers/gpu/nvgpu/gp10b/fb_gp10b.c')
-rw-r--r--drivers/gpu/nvgpu/gp10b/fb_gp10b.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gp10b/fb_gp10b.c b/drivers/gpu/nvgpu/gp10b/fb_gp10b.c
new file mode 100644
index 00000000..5324b5ef
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp10b/fb_gp10b.c
@@ -0,0 +1,108 @@
1/*
2 * GP10B FB
3 *
4 * Copyright (c) 2014, 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 <linux/types.h>
17
18#include "gk20a/gk20a.h"
19#include "gm20b/fb_gm20b.h"
20#include "gk20a/kind_gk20a.h"
21
22#include "hw_gmmu_gp10b.h"
23
24static void gp10b_init_uncompressed_kind_map(void)
25{
26 gk20a_uc_kind_map[gmmu_pte_kind_z16_2cz_v()] =
27 gk20a_uc_kind_map[gmmu_pte_kind_z16_ms2_2cz_v()] =
28 gk20a_uc_kind_map[gmmu_pte_kind_z16_ms4_2cz_v()] =
29 gk20a_uc_kind_map[gmmu_pte_kind_z16_ms8_2cz_v()] =
30 gk20a_uc_kind_map[gmmu_pte_kind_z16_ms16_2cz_v()] =
31 gmmu_pte_kind_z16_v();
32
33 gk20a_uc_kind_map[gmmu_pte_kind_c32_ms4_4cbra_v()] =
34 gk20a_uc_kind_map[gmmu_pte_kind_c64_ms4_4cbra_v()] =
35 gmmu_pte_kind_generic_16bx2_v();
36}
37
38static bool gp10b_kind_supported(u8 k)
39{
40 return (k >= gmmu_pte_kind_z16_2cz_v() &&
41 k <= gmmu_pte_kind_z16_ms8_2cz_v())
42 || k == gmmu_pte_kind_z16_ms16_2cz_v()
43 || k == gmmu_pte_kind_c32_ms4_4cbra_v()
44 || k == gmmu_pte_kind_c64_ms4_4cbra_v();
45}
46
47static bool gp10b_kind_z(u8 k)
48{
49 return (k >= gmmu_pte_kind_z16_2cz_v() &&
50 k <= gmmu_pte_kind_z16_ms8_2cz_v()) ||
51 k == gmmu_pte_kind_z16_ms16_2cz_v();
52}
53
54static bool gp10b_kind_compressible(u8 k)
55{
56 return (k >= gmmu_pte_kind_z16_2cz_v() &&
57 k <= gmmu_pte_kind_z16_ms8_2cz_v()) ||
58 k == gmmu_pte_kind_z16_ms16_2cz_v() ||
59 (k >= gmmu_pte_kind_z16_4cz_v() &&
60 k <= gmmu_pte_kind_z16_ms16_4cz_v()) ||
61 k == gmmu_pte_kind_c32_ms4_4cbra_v() ||
62 k == gmmu_pte_kind_c64_ms4_4cbra_v();
63}
64
65static bool gp10b_kind_zbc(u8 k)
66{
67 return (k >= gmmu_pte_kind_z16_2cz_v() &&
68 k <= gmmu_pte_kind_z16_ms8_2cz_v()) ||
69 k == gmmu_pte_kind_z16_ms16_2cz_v() ||
70 k == gmmu_pte_kind_c32_ms4_4cbra_v() ||
71 k == gmmu_pte_kind_c64_ms4_4cbra_v();
72}
73
74static void gp10b_init_kind_attr(void)
75{
76 u16 k;
77
78 for (k = 0; k < 256; k++) {
79 if (gp10b_kind_supported((u8)k))
80 gk20a_kind_attr[k] |= GK20A_KIND_ATTR_SUPPORTED;
81 if (gp10b_kind_compressible((u8)k))
82 gk20a_kind_attr[k] |= GK20A_KIND_ATTR_COMPRESSIBLE;
83 if (gp10b_kind_z((u8)k))
84 gk20a_kind_attr[k] |= GK20A_KIND_ATTR_Z;
85 if (gp10b_kind_zbc((u8)k))
86 gk20a_kind_attr[k] |= GK20A_KIND_ATTR_ZBC;
87 }
88}
89
90static unsigned int gp10b_fb_compression_page_size(struct gk20a *g)
91{
92 return SZ_64K;
93}
94
95static unsigned int gp10b_fb_compressible_page_size(struct gk20a *g)
96{
97 return SZ_4K;
98}
99
100void gp10b_init_fb(struct gpu_ops *gops)
101{
102 gm20b_init_fb(gops);
103 gops->fb.compression_page_size = gp10b_fb_compression_page_size;
104 gops->fb.compressible_page_size = gp10b_fb_compressible_page_size;
105
106 gp10b_init_uncompressed_kind_map();
107 gp10b_init_kind_attr();
108}