diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gv11b')
-rw-r--r-- | drivers/gpu/nvgpu/gv11b/hal_gv11b.c | 5 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/gv11b/tpc_gv11b.c | 70 | ||||
-rw-r--r-- | drivers/gpu/nvgpu/gv11b/tpc_gv11b.h | 32 |
3 files changed, 107 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c index 6b4eeb88..2225e380 100644 --- a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c +++ b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c | |||
@@ -88,6 +88,7 @@ | |||
88 | #include "regops_gv11b.h" | 88 | #include "regops_gv11b.h" |
89 | #include "subctx_gv11b.h" | 89 | #include "subctx_gv11b.h" |
90 | #include "ecc_gv11b.h" | 90 | #include "ecc_gv11b.h" |
91 | #include "tpc_gv11b.h" | ||
91 | 92 | ||
92 | #include <nvgpu/ptimer.h> | 93 | #include <nvgpu/ptimer.h> |
93 | #include <nvgpu/debug.h> | 94 | #include <nvgpu/debug.h> |
@@ -859,6 +860,9 @@ static const struct gpu_ops gv11b_ops = { | |||
859 | .acr = { | 860 | .acr = { |
860 | .acr_sw_init = nvgpu_gv11b_acr_sw_init, | 861 | .acr_sw_init = nvgpu_gv11b_acr_sw_init, |
861 | }, | 862 | }, |
863 | .tpc = { | ||
864 | .tpc_powergate = gv11b_tpc_powergate, | ||
865 | }, | ||
862 | .chip_init_gpu_characteristics = gv11b_init_gpu_characteristics, | 866 | .chip_init_gpu_characteristics = gv11b_init_gpu_characteristics, |
863 | .get_litter_value = gv11b_get_litter_value, | 867 | .get_litter_value = gv11b_get_litter_value, |
864 | }; | 868 | }; |
@@ -893,6 +897,7 @@ int gv11b_init_hal(struct gk20a *g) | |||
893 | gops->falcon = gv11b_ops.falcon; | 897 | gops->falcon = gv11b_ops.falcon; |
894 | gops->priv_ring = gv11b_ops.priv_ring; | 898 | gops->priv_ring = gv11b_ops.priv_ring; |
895 | gops->fuse = gv11b_ops.fuse; | 899 | gops->fuse = gv11b_ops.fuse; |
900 | gops->tpc = gv11b_ops.tpc; | ||
896 | gops->clk_arb = gv11b_ops.clk_arb; | 901 | gops->clk_arb = gv11b_ops.clk_arb; |
897 | gops->acr = gv11b_ops.acr; | 902 | gops->acr = gv11b_ops.acr; |
898 | 903 | ||
diff --git a/drivers/gpu/nvgpu/gv11b/tpc_gv11b.c b/drivers/gpu/nvgpu/gv11b/tpc_gv11b.c new file mode 100644 index 00000000..3177870c --- /dev/null +++ b/drivers/gpu/nvgpu/gv11b/tpc_gv11b.c | |||
@@ -0,0 +1,70 @@ | |||
1 | /* | ||
2 | * GV11B TPC | ||
3 | * | ||
4 | * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
7 | * copy of this software and associated documentation files (the "Software"), | ||
8 | * to deal in the Software without restriction, including without limitation | ||
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
10 | * and/or sell copies of the Software, and to permit persons to whom the | ||
11 | * Software is furnished to do so, subject to the following conditions: | ||
12 | * | ||
13 | * The above copyright notice and this permission notice shall be included in | ||
14 | * all copies or substantial portions of the Software. | ||
15 | * | ||
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
22 | * DEALINGS IN THE SOFTWARE. | ||
23 | */ | ||
24 | #include <nvgpu/gk20a.h> | ||
25 | #include "tpc_gv11b.h" | ||
26 | |||
27 | int gv11b_tpc_powergate(struct gk20a *g, u32 fuse_status) | ||
28 | { | ||
29 | int err = 0; | ||
30 | |||
31 | if (fuse_status == 0x0) { | ||
32 | g->can_tpc_powergate = true; | ||
33 | |||
34 | } else { | ||
35 | /* if hardware has already floorswept any TPC | ||
36 | * (fuse_status != 0x0) and if TPC PG mask | ||
37 | * sent from userspace is 0x0 GPU will be powered on | ||
38 | * with the default fuse_status setting. It cannot | ||
39 | * un-floorsweep any TPC | ||
40 | * thus, set g->tpc_pg_mask to fuse_status value | ||
41 | */ | ||
42 | if (g->tpc_pg_mask == 0x0) { | ||
43 | g->can_tpc_powergate = true; | ||
44 | g->tpc_pg_mask = fuse_status; | ||
45 | |||
46 | } else if (fuse_status == g->tpc_pg_mask) { | ||
47 | g->can_tpc_powergate = true; | ||
48 | |||
49 | } else if ((fuse_status & g->tpc_pg_mask) == | ||
50 | fuse_status) { | ||
51 | g->can_tpc_powergate = true; | ||
52 | |||
53 | } else { | ||
54 | /* If userspace sends a TPC PG mask such that | ||
55 | * it tries to un-floorsweep any TPC which is | ||
56 | * already powergated from hardware, then | ||
57 | * such mask is invalid. | ||
58 | * In this case set tpc pg mask to 0x0 | ||
59 | * Return -EINVAL here and halt GPU poweron. | ||
60 | */ | ||
61 | nvgpu_err(g, "Invalid TPC_PG mask: 0x%x", | ||
62 | g->tpc_pg_mask); | ||
63 | g->can_tpc_powergate = false; | ||
64 | g->tpc_pg_mask = 0x0; | ||
65 | err = -EINVAL; | ||
66 | } | ||
67 | } | ||
68 | |||
69 | return err; | ||
70 | } | ||
diff --git a/drivers/gpu/nvgpu/gv11b/tpc_gv11b.h b/drivers/gpu/nvgpu/gv11b/tpc_gv11b.h new file mode 100644 index 00000000..e860c22d --- /dev/null +++ b/drivers/gpu/nvgpu/gv11b/tpc_gv11b.h | |||
@@ -0,0 +1,32 @@ | |||
1 | /* | ||
2 | * GV11B TPC | ||
3 | * | ||
4 | * Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
7 | * copy of this software and associated documentation files (the "Software"), | ||
8 | * to deal in the Software without restriction, including without limitation | ||
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
10 | * and/or sell copies of the Software, and to permit persons to whom the | ||
11 | * Software is furnished to do so, subject to the following conditions: | ||
12 | * | ||
13 | * The above copyright notice and this permission notice shall be included in | ||
14 | * all copies or substantial portions of the Software. | ||
15 | * | ||
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
22 | * DEALINGS IN THE SOFTWARE. | ||
23 | */ | ||
24 | |||
25 | #ifndef NVGPU_TPC_GV11B_H | ||
26 | #define NVGPU_TPC_GV11B_H | ||
27 | |||
28 | struct gk20a; | ||
29 | |||
30 | int gv11b_tpc_powergate(struct gk20a *g, u32 fuse_status); | ||
31 | |||
32 | #endif /* NVGPU_TPC_GV11B_H */ | ||