Re: [PATCH v1] drm/amdgpu: Try modify this line into a well-understood code

Re: [PATCH v1] drm/amdgpu: Try modify this line into a well-understood code

[Christian König]

Am 02.04.21 um 04:55 schrieb ZhiJie.Zhang:
> Signed-off-by: ZhiJie.Zhang <zhangzhijie@loongson.cn>

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

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index ad91c0c3c423..f79af5fb61db 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -2709,7 +2709,7 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size,
>   			min(max(phys_ram_gb * 3, min_vm_size), max_size));
>   	}
>   
> -	adev->vm_manager.max_pfn = (uint64_t)vm_size << 18;
> +	adev->vm_manager.max_pfn = (uint64_t)vm_size << (30 - AMDGPU_GPU_PAGE_SHIFT);
>   
>   	tmp = roundup_pow_of_two(adev->vm_manager.max_pfn);
>   	if (amdgpu_vm_block_size != -1)

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