Am 31.08.2017 um 15:42 schrieb Kuehling, Felix:
> Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>
Thanks.
> Sorry, I didn't think this one through. I'll keep looking for the real problem.
Is it possible that you merged my earlier patch to handle all fragment
sizes?
Cause earlier versions had exactly that problem.
Christian.
> ________________________________________
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Christian König <deathsimple at vodafone.de>
> Sent: Thursday, August 31, 2017 3:45:48 AM
> To: amd-gfx at lists.freedesktop.org
> Subject: [PATCH] drm/amdgpu: Revert "Fix IB allocation sizes for page table updates"
>
> From: Christian König <christian.koenig at amd.com>
>
> The IB allocation sizes where correct.
>
> This reverts commit d1551e7c7211fa135c4d79f09e237f5f9779e421.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 473273d..b08f031 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -1037,7 +1037,7 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
> ndw = 64;
>
> /* assume the worst case */
> - ndw += parent->last_entry_used * 10;
> + ndw += parent->last_entry_used * 6;
>
> pd_addr = amdgpu_bo_gpu_offset(parent->base.bo);
>
> @@ -1542,7 +1542,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
> ndw = 64;
>
> /* one PDE write for each huge page */
> - ndw += ((nptes >> adev->vm_manager.block_size) + 1) * 10;
> + ndw += ((nptes >> adev->vm_manager.block_size) + 1) * 6;
>
> if (pages_addr) {
> /* copy commands needed */
> --
> 2.7.4
>
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