[PATCH 2/2] drm/amdgpu: calc addr with domain's gpu_offset
Flora Cui
flora.cui at amd.com
Fri Sep 9 07:54:26 UTC 2016
what about commit e6eb9e1cdb740f778fbbacc5f62edd0ce97c2d52?
should the start addr get updated either?
On Fri, Sep 09, 2016 at 09:18:47AM +0200, Christian König wrote:
> NAK, that is clearly incorrect. The gpu_offset are MC addresses while the
> vram_base_offset is a bud address.
>
> Most of the time they are both zero, except for APUs which would break with
> this change.
>
> Regards,
> Christian.
>
> Am 09.09.2016 um 08:30 schrieb Flora Cui:
> >Change-Id: I8112e9d85866104559ecef7449f50fbb94167382
> >Signed-off-by: Flora Cui <Flora.Cui at 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 a549abd..3d7a3ab 100644
> >--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> >+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> >@@ -1151,7 +1151,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
> > break;
> > case TTM_PL_VRAM:
> >- addr += adev->vm_manager.vram_base_offset;
> >+ addr += bo_va->bo->tbo.bdev->man[mem->mem_type].gpu_offset;
> > break;
> > default:
>
>
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