From: Philip Yang <[email protected]> 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 <[email protected]> Acked-by: Felix Kuehling <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index e63ad5f18a8e1..57aabe0dcfdfe 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -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; -- 2.52.0
