From 7cae706193649460046c5134cf3b9acf678df8c1 Mon Sep 17 00:00:00 2001
From: Felix Kuehling <Felix.Kuehling@amd.com>
Date: Wed, 4 Sep 2019 19:26:16 -0400
Subject: drm/amdgpu: Disable retry faults in VMID0
Git-commit: 7cae706193649460046c5134cf3b9acf678df8c1
Patch-mainline: v5.5-rc1
References: bsc#1152489
There is no point retrying page faults in VMID0. Those faults are
always fatal.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-and-Tested-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 2 ++
drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c | 2 ++
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 2 ++
drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c | 2 ++
drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c | 2 ++
5 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 6ce37ce77d14..9ec4297e61e5 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -178,6 +178,8 @@ static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
index 8b789f750b72..a9238735d361 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
@@ -166,6 +166,8 @@ static void gfxhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
tmp = RREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL);
tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL, tmp);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index b9d6c0bfa594..4c7e8c64a94e 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -207,6 +207,8 @@ static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
tmp = RREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
index 3542c203c3c8..86ed8cb915a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
@@ -152,6 +152,8 @@ static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL);
tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15(MMHUB, 0, mmMMVM_CONTEXT0_CNTL, tmp);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
index 0cf7ef44b4b5..657970f9ebfb 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
@@ -240,6 +240,8 @@ static void mmhub_v9_4_enable_system_domain(struct amdgpu_device *adev,
hubid * MMHUB_INSTANCE_REGISTER_OFFSET);
tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+ tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT0_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT0_CNTL,
hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp);
}
--
2.28.0