* [PATCH] drm/amdgpu: one pde of 4 levels at least 512GB
@ 2017-03-28 3:46 Chunming Zhou
[not found] ` <1490672801-7319-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Chunming Zhou @ 2017-03-28 3:46 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, Jerry.Zhang-5C7GfCeVMHo
Cc: Chunming Zhou
Change-Id: I9d764e6e6cf214e64bd79435a8bbb4063260dc11
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index c29a477..b7ec537 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -500,11 +500,11 @@ static int gmc_v9_0_vm_init(struct amdgpu_device *adev)
* amdkfd will use VMIDs 8-15
*/
adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
- /* Because of four level VMPTs, vm size at least is 256GB.
+ /* Because of four level VMPTs, vm size at least is 512GB.
256TB is OK as well */
- if (amdgpu_vm_size < 256) {
- DRM_WARN("vm size at least is 256GB!\n");
- amdgpu_vm_size = 256;
+ if (amdgpu_vm_size < 512) {
+ DRM_WARN("vm size at least is 512GB!\n");
+ amdgpu_vm_size = 512;
}
adev->vm_manager.num_level = 3;
amdgpu_vm_manager_init(adev);
--
1.9.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/amdgpu: one pde of 4 levels at least 512GB
[not found] ` <1490672801-7319-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
@ 2017-03-28 5:43 ` Zhang, Jerry (Junwei)
0 siblings, 0 replies; 2+ messages in thread
From: Zhang, Jerry (Junwei) @ 2017-03-28 5:43 UTC (permalink / raw)
To: Chunming Zhou, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
On 03/28/2017 11:46 AM, Chunming Zhou wrote:
> Change-Id: I9d764e6e6cf214e64bd79435a8bbb4063260dc11
> Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
For the minimum size, PD is 0
> ---
> drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> index c29a477..b7ec537 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> @@ -500,11 +500,11 @@ static int gmc_v9_0_vm_init(struct amdgpu_device *adev)
> * amdkfd will use VMIDs 8-15
> */
> adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
> - /* Because of four level VMPTs, vm size at least is 256GB.
> + /* Because of four level VMPTs, vm size at least is 512GB.
> 256TB is OK as well */
> - if (amdgpu_vm_size < 256) {
> - DRM_WARN("vm size at least is 256GB!\n");
> - amdgpu_vm_size = 256;
> + if (amdgpu_vm_size < 512) {
> + DRM_WARN("vm size at least is 512GB!\n");
> + amdgpu_vm_size = 512;
> }
> adev->vm_manager.num_level = 3;
> amdgpu_vm_manager_init(adev);
>
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2017-03-28 3:46 [PATCH] drm/amdgpu: one pde of 4 levels at least 512GB Chunming Zhou
[not found] ` <1490672801-7319-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
2017-03-28 5:43 ` Zhang, Jerry (Junwei)
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