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drm/amdgpu: Enable 5-level page table for GFX 12.1.0

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GFX 12.1.0 support 57bit virtual, 52bit physical address, set PDE
max_level to 4, min_vm_size to 128PB to enable GPU vm 5-level page
tables to support 57bit virtual address.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang 2025-04-25 11:08:17 -04:00 committed by Alex Deucher
parent 2d1fd54790
commit 6f744d7976
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
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@ -809,11 +809,11 @@ static int gmc_v12_0_sw_init(struct amdgpu_ip_block *ip_block)
for (i = 0; i < hweight32(adev->aid_mask); i++)
set_bit(AMDGPU_MMHUB0(i), adev->vmhubs_mask);
/*
* To fulfill 4-level page support,
* vm size is 256TB (48bit), maximum size,
* To fulfill 5-level page support,
* vm size is 128PetaByte (57bit), maximum size,
* block size 512 (9bit)
*/
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
amdgpu_vm_adjust_size(adev, 128 * 1024 * 1024, 9, 4, 57);
break;
default:
break;