On 08/22/2018 11:05 PM, Christian König wrote:
> Add the necessary handling.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
Looks going to use GTT for page table.
What kind of scenario to use that?
could it be replaced by CPU updating page table in system memory?
Regards,
Jerry
> ---
> drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> index e412eb8e347c..3393a329fc9c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> @@ -571,7 +571,7 @@ static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev,
> static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
> uint64_t *addr, uint64_t *flags)
> {
> - if (!(*flags & AMDGPU_PDE_PTE))
> + if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
> *addr = adev->vm_manager.vram_base_offset + *addr -
> adev->gmc.vram_start;
> BUG_ON(*addr & 0xFFFF00000000003FULL);
>
