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* [PATCH] drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven
@ 2017-10-06 15:35 Yong Zhao
       [not found] ` <1507304133-21510-1-git-send-email-yong.zhao-5C7GfCeVMHo@public.gmane.org>
  0 siblings, 1 reply; 4+ messages in thread
From: Yong Zhao @ 2017-10-06 15:35 UTC (permalink / raw)
  To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Yong Zhao

From: Yong Zhao <Yong.Zhao@amd.com>

Without the additional bits set in PDEs/PTEs, the ATC memory access
would have failed on Raven.

Change-Id: I28429ef6d39cdb01dc6f17fea4264ee22d7121d4
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |  9 ++++++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 10 ++++++++++
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index bca9eeb..d98d58a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -328,9 +328,10 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 				AMDGPU_GEM_CREATE_SHADOW);
 
 	if (vm->pte_support_ats) {
-		init_value = AMDGPU_PTE_SYSTEM;
+		init_value = AMDGPU_PTE_DEFAULT_ATC;
 		if (level != adev->vm_manager.num_level - 1)
 			init_value |= AMDGPU_PDE_PTE;
+
 	}
 
 	/* walk over the address space and allocate the page tables */
@@ -2017,7 +2018,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
 		list_del(&mapping->list);
 
 		if (vm->pte_support_ats)
-			init_pte_value = AMDGPU_PTE_SYSTEM;
+			init_pte_value = AMDGPU_PTE_DEFAULT_ATC;
 
 		r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
 						mapping->start, mapping->last,
@@ -2629,7 +2630,9 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 
 		if (adev->asic_type == CHIP_RAVEN) {
 			vm->pte_support_ats = true;
-			init_pde_value = AMDGPU_PTE_SYSTEM | AMDGPU_PDE_PTE;
+			init_pde_value = AMDGPU_PTE_DEFAULT_ATC
+					| AMDGPU_PDE_PTE;
+
 		}
 	} else
 		vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 66efbc2..5d0cfc9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -73,6 +73,16 @@ struct amdgpu_bo_list_entry;
 #define AMDGPU_PTE_MTYPE(a)    ((uint64_t)a << 57)
 #define AMDGPU_PTE_MTYPE_MASK	AMDGPU_PTE_MTYPE(3ULL)
 
+/* For Raven */
+#define AMDGPU_MTYPE_CC 2
+
+#define AMDGPU_PTE_DEFAULT_ATC  (AMDGPU_PTE_SYSTEM      \
+                                | AMDGPU_PTE_SNOOPED    \
+                                | AMDGPU_PTE_EXECUTABLE \
+                                | AMDGPU_PTE_READABLE   \
+                                | AMDGPU_PTE_WRITEABLE  \
+                                | AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC))
+
 /* How to programm VM fault handling */
 #define AMDGPU_VM_FAULT_STOP_NEVER	0
 #define AMDGPU_VM_FAULT_STOP_FIRST	1
-- 
2.7.4

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven
       [not found] ` <1507304133-21510-1-git-send-email-yong.zhao-5C7GfCeVMHo@public.gmane.org>
@ 2017-10-06 17:16   ` Christian König
       [not found]     ` <ff321dde-dac3-9f51-266a-bca5ada11e5c-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
  2017-10-09  6:34   ` Zhang, Jerry (Junwei)
  1 sibling, 1 reply; 4+ messages in thread
From: Christian König @ 2017-10-06 17:16 UTC (permalink / raw)
  To: Yong Zhao, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW

Am 06.10.2017 um 17:35 schrieb Yong Zhao:
> From: Yong Zhao <Yong.Zhao@amd.com>
>
> Without the additional bits set in PDEs/PTEs, the ATC memory access
> would have failed on Raven.
>
> Change-Id: I28429ef6d39cdb01dc6f17fea4264ee22d7121d4
> Signed-off-by: Yong Zhao <yong.zhao@amd.com>
> Acked-by: Alex Deucher <alexander.deucher@amd.com>

Nice solution for the define. Patch is Reviewed-by: Christian König 
<christian.koenig@amd.com>.

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |  9 ++++++---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 10 ++++++++++
>   2 files changed, 16 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index bca9eeb..d98d58a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -328,9 +328,10 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
>   				AMDGPU_GEM_CREATE_SHADOW);
>   
>   	if (vm->pte_support_ats) {
> -		init_value = AMDGPU_PTE_SYSTEM;
> +		init_value = AMDGPU_PTE_DEFAULT_ATC;
>   		if (level != adev->vm_manager.num_level - 1)
>   			init_value |= AMDGPU_PDE_PTE;
> +
>   	}
>   
>   	/* walk over the address space and allocate the page tables */
> @@ -2017,7 +2018,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
>   		list_del(&mapping->list);
>   
>   		if (vm->pte_support_ats)
> -			init_pte_value = AMDGPU_PTE_SYSTEM;
> +			init_pte_value = AMDGPU_PTE_DEFAULT_ATC;
>   
>   		r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
>   						mapping->start, mapping->last,
> @@ -2629,7 +2630,9 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
>   
>   		if (adev->asic_type == CHIP_RAVEN) {
>   			vm->pte_support_ats = true;
> -			init_pde_value = AMDGPU_PTE_SYSTEM | AMDGPU_PDE_PTE;
> +			init_pde_value = AMDGPU_PTE_DEFAULT_ATC
> +					| AMDGPU_PDE_PTE;
> +
>   		}
>   	} else
>   		vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> index 66efbc2..5d0cfc9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> @@ -73,6 +73,16 @@ struct amdgpu_bo_list_entry;
>   #define AMDGPU_PTE_MTYPE(a)    ((uint64_t)a << 57)
>   #define AMDGPU_PTE_MTYPE_MASK	AMDGPU_PTE_MTYPE(3ULL)
>   
> +/* For Raven */
> +#define AMDGPU_MTYPE_CC 2
> +
> +#define AMDGPU_PTE_DEFAULT_ATC  (AMDGPU_PTE_SYSTEM      \
> +                                | AMDGPU_PTE_SNOOPED    \
> +                                | AMDGPU_PTE_EXECUTABLE \
> +                                | AMDGPU_PTE_READABLE   \
> +                                | AMDGPU_PTE_WRITEABLE  \
> +                                | AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC))
> +
>   /* How to programm VM fault handling */
>   #define AMDGPU_VM_FAULT_STOP_NEVER	0
>   #define AMDGPU_VM_FAULT_STOP_FIRST	1


_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven
       [not found]     ` <ff321dde-dac3-9f51-266a-bca5ada11e5c-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
@ 2017-10-06 19:02       ` Zhao, Yong
  0 siblings, 0 replies; 4+ messages in thread
From: Zhao, Yong @ 2017-10-06 19:02 UTC (permalink / raw)
  To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	Koenig, Christian


[-- Attachment #1.1: Type: text/plain, Size: 3767 bytes --]

Thanks. Pushed.


Yong

________________________________
From: Christian König <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Sent: Friday, October 6, 2017 1:16:36 PM
To: Zhao, Yong; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: [PATCH] drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven

Am 06.10.2017 um 17:35 schrieb Yong Zhao:
> From: Yong Zhao <Yong.Zhao-5C7GfCeVMHo@public.gmane.org>
>
> Without the additional bits set in PDEs/PTEs, the ATC memory access
> would have failed on Raven.
>
> Change-Id: I28429ef6d39cdb01dc6f17fea4264ee22d7121d4
> Signed-off-by: Yong Zhao <yong.zhao-5C7GfCeVMHo@public.gmane.org>
> Acked-by: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>

Nice solution for the define. Patch is Reviewed-by: Christian König
<christian.koenig-5C7GfCeVMHo@public.gmane.org>.

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |  9 ++++++---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 10 ++++++++++
>   2 files changed, 16 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index bca9eeb..d98d58a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -328,9 +328,10 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
>                                AMDGPU_GEM_CREATE_SHADOW);
>
>        if (vm->pte_support_ats) {
> -             init_value = AMDGPU_PTE_SYSTEM;
> +             init_value = AMDGPU_PTE_DEFAULT_ATC;
>                if (level != adev->vm_manager.num_level - 1)
>                        init_value |= AMDGPU_PDE_PTE;
> +
>        }
>
>        /* walk over the address space and allocate the page tables */
> @@ -2017,7 +2018,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
>                list_del(&mapping->list);
>
>                if (vm->pte_support_ats)
> -                     init_pte_value = AMDGPU_PTE_SYSTEM;
> +                     init_pte_value = AMDGPU_PTE_DEFAULT_ATC;
>
>                r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
>                                                mapping->start, mapping->last,
> @@ -2629,7 +2630,9 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
>
>                if (adev->asic_type == CHIP_RAVEN) {
>                        vm->pte_support_ats = true;
> -                     init_pde_value = AMDGPU_PTE_SYSTEM | AMDGPU_PDE_PTE;
> +                     init_pde_value = AMDGPU_PTE_DEFAULT_ATC
> +                                     | AMDGPU_PDE_PTE;
> +
>                }
>        } else
>                vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> index 66efbc2..5d0cfc9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> @@ -73,6 +73,16 @@ struct amdgpu_bo_list_entry;
>   #define AMDGPU_PTE_MTYPE(a)    ((uint64_t)a << 57)
>   #define AMDGPU_PTE_MTYPE_MASK       AMDGPU_PTE_MTYPE(3ULL)
>
> +/* For Raven */
> +#define AMDGPU_MTYPE_CC 2
> +
> +#define AMDGPU_PTE_DEFAULT_ATC  (AMDGPU_PTE_SYSTEM      \
> +                                | AMDGPU_PTE_SNOOPED    \
> +                                | AMDGPU_PTE_EXECUTABLE \
> +                                | AMDGPU_PTE_READABLE   \
> +                                | AMDGPU_PTE_WRITEABLE  \
> +                                | AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC))
> +
>   /* How to programm VM fault handling */
>   #define AMDGPU_VM_FAULT_STOP_NEVER  0
>   #define AMDGPU_VM_FAULT_STOP_FIRST  1



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_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven
       [not found] ` <1507304133-21510-1-git-send-email-yong.zhao-5C7GfCeVMHo@public.gmane.org>
  2017-10-06 17:16   ` Christian König
@ 2017-10-09  6:34   ` Zhang, Jerry (Junwei)
  1 sibling, 0 replies; 4+ messages in thread
From: Zhang, Jerry (Junwei) @ 2017-10-09  6:34 UTC (permalink / raw)
  To: Yong Zhao, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW

On 10/06/2017 11:35 PM, Yong Zhao wrote:
> From: Yong Zhao <Yong.Zhao@amd.com>
>
> Without the additional bits set in PDEs/PTEs, the ATC memory access
> would have failed on Raven.
>
> Change-Id: I28429ef6d39cdb01dc6f17fea4264ee22d7121d4
> Signed-off-by: Yong Zhao <yong.zhao@amd.com>
> Acked-by: Alex Deucher <alexander.deucher@amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |  9 ++++++---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 10 ++++++++++
>   2 files changed, 16 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index bca9eeb..d98d58a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -328,9 +328,10 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
>   				AMDGPU_GEM_CREATE_SHADOW);
>
>   	if (vm->pte_support_ats) {
> -		init_value = AMDGPU_PTE_SYSTEM;
> +		init_value = AMDGPU_PTE_DEFAULT_ATC;
>   		if (level != adev->vm_manager.num_level - 1)
>   			init_value |= AMDGPU_PDE_PTE;
> +
>   	}
>
>   	/* walk over the address space and allocate the page tables */
> @@ -2017,7 +2018,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
>   		list_del(&mapping->list);
>
>   		if (vm->pte_support_ats)
> -			init_pte_value = AMDGPU_PTE_SYSTEM;
> +			init_pte_value = AMDGPU_PTE_DEFAULT_ATC;
>
>   		r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
>   						mapping->start, mapping->last,
> @@ -2629,7 +2630,9 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
>
>   		if (adev->asic_type == CHIP_RAVEN) {
>   			vm->pte_support_ats = true;
> -			init_pde_value = AMDGPU_PTE_SYSTEM | AMDGPU_PDE_PTE;
> +			init_pde_value = AMDGPU_PTE_DEFAULT_ATC
> +					| AMDGPU_PDE_PTE;
> +
>   		}
>   	} else
>   		vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> index 66efbc2..5d0cfc9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> @@ -73,6 +73,16 @@ struct amdgpu_bo_list_entry;
>   #define AMDGPU_PTE_MTYPE(a)    ((uint64_t)a << 57)
>   #define AMDGPU_PTE_MTYPE_MASK	AMDGPU_PTE_MTYPE(3ULL)
>
> +/* For Raven */
> +#define AMDGPU_MTYPE_CC 2

We may use MTYPE_CC directly.

Jerry

> +
> +#define AMDGPU_PTE_DEFAULT_ATC  (AMDGPU_PTE_SYSTEM      \
> +                                | AMDGPU_PTE_SNOOPED    \
> +                                | AMDGPU_PTE_EXECUTABLE \
> +                                | AMDGPU_PTE_READABLE   \
> +                                | AMDGPU_PTE_WRITEABLE  \
> +                                | AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC))
> +
>   /* How to programm VM fault handling */
>   #define AMDGPU_VM_FAULT_STOP_NEVER	0
>   #define AMDGPU_VM_FAULT_STOP_FIRST	1
>
_______________________________________________
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-10-09  6:34 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-10-06 15:35 [PATCH] drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven Yong Zhao
     [not found] ` <1507304133-21510-1-git-send-email-yong.zhao-5C7GfCeVMHo@public.gmane.org>
2017-10-06 17:16   ` Christian König
     [not found]     ` <ff321dde-dac3-9f51-266a-bca5ada11e5c-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-10-06 19:02       ` Zhao, Yong
2017-10-09  6:34   ` Zhang, Jerry (Junwei)

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