aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3225-drm-amdgpu-fix-double-ucode-load-by-PSP-v3.patch
blob: 34ba31f3f8632b6377a7a4f7a49240a0aa6b4e6d (plain)
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
179
180
181
182
183
From dfeb69f03e80ff120ec8d59b4a05e4593538a1c4 Mon Sep 17 00:00:00 2001
From: Monk Liu <Monk.Liu@amd.com>
Date: Wed, 31 Jul 2019 16:47:56 +0800
Subject: [PATCH 3225/4256] drm/amdgpu: fix double ucode load by PSP(v3)

previously the ucode loading of PSP was repreated, one executed in
phase_1 init/re-init/resume and the other in fw_loading routine

Avoid this double loading by clearing ip_blocks.status.hw in suspend or reset
prior to the FW loading and any block's hw_init/resume

v2:
still do the smu fw loading since it is needed by bare-metal

v3:
drop the change in reinit_early_sriov, just clear all block's status.hw
in the head place and set the status.hw after hw_init done is enough

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 59 ++++++++++++++--------
 1 file changed, 38 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 111d3fc175d8..87179dd882d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1745,28 +1745,34 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_VEGA10) {
 		for (i = 0; i < adev->num_ip_blocks; i++) {
-			if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) {
-				if (adev->in_gpu_reset || adev->in_suspend) {
-					if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset)
-						break; /* sriov gpu reset, psp need to do hw_init before IH because of hw limit */
-					r = adev->ip_blocks[i].version->funcs->resume(adev);
-					if (r) {
-						DRM_ERROR("resume of IP block <%s> failed %d\n",
+			if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP)
+				continue;
+
+			/* no need to do the fw loading again if already done*/
+			if (adev->ip_blocks[i].status.hw == true)
+				break;
+
+			if (adev->in_gpu_reset || adev->in_suspend) {
+				r = adev->ip_blocks[i].version->funcs->resume(adev);
+				if (r) {
+					DRM_ERROR("resume of IP block <%s> failed %d\n",
 							  adev->ip_blocks[i].version->funcs->name, r);
-						return r;
-					}
-				} else {
-					r = adev->ip_blocks[i].version->funcs->hw_init(adev);
-					if (r) {
-						DRM_ERROR("hw_init of IP block <%s> failed %d\n",
-						  adev->ip_blocks[i].version->funcs->name, r);
-						return r;
-					}
+					return r;
+				}
+			} else {
+				r = adev->ip_blocks[i].version->funcs->hw_init(adev);
+				if (r) {
+					DRM_ERROR("hw_init of IP block <%s> failed %d\n",
+							  adev->ip_blocks[i].version->funcs->name, r);
+					return r;
 				}
-				adev->ip_blocks[i].status.hw = true;
 			}
+
+			adev->ip_blocks[i].status.hw = true;
+			break;
 		}
 	}
+
 	r = amdgpu_pm_load_smu_firmware(adev, &smu_version);
 
 	return r;
@@ -2200,7 +2206,9 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
 			if (r) {
 				DRM_ERROR("suspend of IP block <%s> failed %d\n",
 					  adev->ip_blocks[i].version->funcs->name, r);
+				return r;
 			}
+			adev->ip_blocks[i].status.hw = false;
 		}
 	}
 
@@ -2240,14 +2248,16 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
 			if (is_support_sw_smu(adev)) {
 				/* todo */
 			} else if (adev->powerplay.pp_funcs &&
-				   adev->powerplay.pp_funcs->set_mp1_state) {
+					   adev->powerplay.pp_funcs->set_mp1_state) {
 				r = adev->powerplay.pp_funcs->set_mp1_state(
 					adev->powerplay.pp_handle,
 					adev->mp1_state);
 				if (r) {
 					DRM_ERROR("SMC failed to set mp1 state %d, %d\n",
 						  adev->mp1_state, r);
+					return r;
 				}
+				adev->ip_blocks[i].status.hw = false;
 			}
 		}
 	}
@@ -2302,6 +2312,7 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)
 		for (j = 0; j < adev->num_ip_blocks; j++) {
 			block = &adev->ip_blocks[j];
 
+			block->status.hw = false;
 			if (block->version->type != ip_order[i] ||
 				!block->status.valid)
 				continue;
@@ -2310,6 +2321,7 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)
 			DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded");
 			if (r)
 				return r;
+			block->status.hw = true;
 		}
 	}
 
@@ -2337,13 +2349,15 @@ static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev)
 			block = &adev->ip_blocks[j];
 
 			if (block->version->type != ip_order[i] ||
-				!block->status.valid)
+				!block->status.valid ||
+				block->status.hw)
 				continue;
 
 			r = block->version->funcs->hw_init(adev);
 			DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded");
 			if (r)
 				return r;
+			block->status.hw = true;
 		}
 	}
 
@@ -2367,17 +2381,19 @@ static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev)
 	int i, r;
 
 	for (i = 0; i < adev->num_ip_blocks; i++) {
-		if (!adev->ip_blocks[i].status.valid)
+		if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw)
 			continue;
 		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
 		    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
 		    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) {
+
 			r = adev->ip_blocks[i].version->funcs->resume(adev);
 			if (r) {
 				DRM_ERROR("resume of IP block <%s> failed %d\n",
 					  adev->ip_blocks[i].version->funcs->name, r);
 				return r;
 			}
+			adev->ip_blocks[i].status.hw = true;
 		}
 	}
 
@@ -2402,7 +2418,7 @@ static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev)
 	int i, r;
 
 	for (i = 0; i < adev->num_ip_blocks; i++) {
-		if (!adev->ip_blocks[i].status.valid)
+		if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw)
 			continue;
 		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
 		    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
@@ -2415,6 +2431,7 @@ static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev)
 				  adev->ip_blocks[i].version->funcs->name, r);
 			return r;
 		}
+		adev->ip_blocks[i].status.hw = true;
 	}
 
 	return 0;
-- 
2.17.1