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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
From ef982bfb1ebf9c6317647207dded5ddf081b5caa Mon Sep 17 00:00:00 2001
From: Trigger Huang <Trigger.Huang@amd.com>
Date: Mon, 4 Mar 2019 12:30:58 +0800
Subject: [PATCH 1923/2940] drm/amdgpu: Skip setting some regs under Vega10 VF
For Vega10 SR-IOV VF, skip setting some regs due to:
1, host will program them
2, avoid VF register programming violations
Signed-off-by: Trigger Huang <Trigger.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 14 ++++++++------
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 +++
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 25 ++++++++++++++++++++-----
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 14 ++++++++------
drivers/gpu/drm/amd/amdgpu/soc15.c | 16 +++++++++++-----
5 files changed, 50 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 382c8d3c82da..2a19dd24b82c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -308,12 +308,14 @@ static void gfx_v9_0_init_golden_registers(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_VEGA10:
- soc15_program_register_sequence(adev,
- golden_settings_gc_9_0,
- ARRAY_SIZE(golden_settings_gc_9_0));
- soc15_program_register_sequence(adev,
- golden_settings_gc_9_0_vg10,
- ARRAY_SIZE(golden_settings_gc_9_0_vg10));
+ if (!amdgpu_virt_support_skip_setting(adev)) {
+ soc15_program_register_sequence(adev,
+ golden_settings_gc_9_0,
+ ARRAY_SIZE(golden_settings_gc_9_0));
+ soc15_program_register_sequence(adev,
+ golden_settings_gc_9_0_vg10,
+ ARRAY_SIZE(golden_settings_gc_9_0_vg10));
+ }
break;
case CHIP_VEGA12:
soc15_program_register_sequence(adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 0dd8fac10515..69c8de9f8b58 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1093,6 +1093,9 @@ static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
switch (adev->asic_type) {
case CHIP_VEGA10:
+ if (amdgpu_virt_support_skip_setting(adev))
+ break;
+ /* fall through */
case CHIP_VEGA20:
soc15_program_register_sequence(adev,
golden_settings_mmhub_1_0_0,
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 95cffc8fddb4..a91a7a29a8cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -106,6 +106,9 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
+ if (amdgpu_virt_support_skip_setting(adev))
+ return;
+
/* Set default page address. */
value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start +
adev->vm_manager.vram_base_offset;
@@ -151,6 +154,9 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
{
uint32_t tmp;
+ if (amdgpu_virt_support_skip_setting(adev))
+ return;
+
/* Setup L2 cache */
tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
@@ -197,6 +203,9 @@ static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
{
+ if (amdgpu_virt_support_skip_setting(adev))
+ return;
+
WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
0XFFFFFFFF);
WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
@@ -333,11 +342,13 @@ void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
0);
WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
- /* Setup L2 cache */
- tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
- tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
- WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
- WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0);
+ if (!amdgpu_virt_support_skip_setting(adev)) {
+ /* Setup L2 cache */
+ tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
+ WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
+ WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0);
+ }
}
/**
@@ -349,6 +360,10 @@ void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
{
u32 tmp;
+
+ if (amdgpu_virt_support_skip_setting(adev))
+ return;
+
tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index c139e8db8d95..9daaa12fdb3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -210,12 +210,14 @@ static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_VEGA10:
- soc15_program_register_sequence(adev,
- golden_settings_sdma_4,
- ARRAY_SIZE(golden_settings_sdma_4));
- soc15_program_register_sequence(adev,
- golden_settings_sdma_vg10,
- ARRAY_SIZE(golden_settings_sdma_vg10));
+ if (!amdgpu_virt_support_skip_setting(adev)) {
+ soc15_program_register_sequence(adev,
+ golden_settings_sdma_4,
+ ARRAY_SIZE(golden_settings_sdma_4));
+ soc15_program_register_sequence(adev,
+ golden_settings_sdma_vg10,
+ ARRAY_SIZE(golden_settings_sdma_vg10));
+ }
break;
case CHIP_VEGA12:
soc15_program_register_sequence(adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 43b64d2237cf..1f7a56e01ff9 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1023,11 +1023,17 @@ static void soc15_doorbell_range_init(struct amdgpu_device *adev)
int i;
struct amdgpu_ring *ring;
- for (i = 0; i < adev->sdma.num_instances; i++) {
- ring = &adev->sdma.instance[i].ring;
- adev->nbio_funcs->sdma_doorbell_range(adev, i,
- ring->use_doorbell, ring->doorbell_index,
- adev->doorbell_index.sdma_doorbell_range);
+ /* Two reasons to skip
+ * 1, Host driver already programmed them
+ * 2, To avoid registers program violations in SR-IOV
+ */
+ if (!amdgpu_virt_support_skip_setting(adev)) {
+ for (i = 0; i < adev->sdma.num_instances; i++) {
+ ring = &adev->sdma.instance[i].ring;
+ adev->nbio_funcs->sdma_doorbell_range(adev, i,
+ ring->use_doorbell, ring->doorbell_index,
+ adev->doorbell_index.sdma_doorbell_range);
+ }
}
adev->nbio_funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
--
2.17.1
|
