1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Copyright 2019 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "amdgpu.h"
#include "athub_v2_1.h"
#include "athub/athub_2_1_0_offset.h"
#include "athub/athub_2_1_0_sh_mask.h"
#include "soc15_common.h"
static void
athub_v2_1_update_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
else
data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
if (def != data)
WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
}
static void
athub_v2_1_update_medium_grain_light_sleep(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
(adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
else
data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
if(def != data)
WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
}
int athub_v2_1_set_clockgating(struct amdgpu_device *adev,
enum amd_clockgating_state state)
{
if (amdgpu_sriov_vf(adev))
return 0;
switch (adev->ip_versions[ATHUB_HWIP][0]) {
case IP_VERSION(2, 1, 0):
case IP_VERSION(2, 1, 1):
case IP_VERSION(2, 1, 2):
athub_v2_1_update_medium_grain_clock_gating(adev, state == AMD_CG_STATE_GATE);
athub_v2_1_update_medium_grain_light_sleep(adev, state == AMD_CG_STATE_GATE);
break;
default:
break;
}
return 0;
}
void athub_v2_1_get_clockgating(struct amdgpu_device *adev, u32 *flags)
{
int data;
/* AMD_CG_SUPPORT_ATHUB_MGCG */
data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_ATHUB_MGCG;
/* AMD_CG_SUPPORT_ATHUB_LS */
if (data & ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK)
*flags |= AMD_CG_SUPPORT_ATHUB_LS;
}
|
