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From: "Christian König" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Kuehling, Felix" <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>,
	"amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
	<amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Cc: "Huang, Ray" <Ray.Huang-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH 1/1] drm/amdgpu: Disable retry faults in VMID0
Date: Mon, 9 Sep 2019 13:13:46 +0200	[thread overview]
Message-ID: <bb1fd5a1-c205-9c82-7b7f-a81d07b48a51@gmail.com> (raw)
In-Reply-To: <20190904233053.9767-1-Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>

Am 05.09.19 um 01:31 schrieb Kuehling, Felix:
> There is no point retrying page faults in VMID0. Those faults are
> always fatal.
>
> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>

Reviewed-by: Christian König <christian.koenig@amd.com>

> ---
>   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);
>   }

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      parent reply	other threads:[~2019-09-09 11:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04 23:31 [PATCH 1/1] drm/amdgpu: Disable retry faults in VMID0 Kuehling, Felix
     [not found] ` <20190904233053.9767-1-Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
2019-09-05 14:03   ` Yang, Philip
2019-09-05 18:01   ` Huang, Ray
2019-09-09 11:13   ` Christian König [this message]

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