[PATCH v2 6/8] drm/amdgpu: Unmap entire device address space on device remove.

[Alex Deucher]

On Mon, Jun 22, 2020 at 3:38 PM Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
> Am 21.06.20 um 08:03 schrieb Andrey Grodzovsky:
> > Use the new TTM interface to invalidate all exsisting BO CPU mappings
> > form all user proccesses.
> >
> > Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
>
> Reviewed-by: Christian König <christian.koenig at amd.com>
>
> I think those two patches could already land in amd-staging-drm-next
> since they are a good idea independent of how else we fix the other issues.

Please make sure they land in drm-misc as well.

Alex

>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > index 43592dc..6932d75 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > @@ -1135,6 +1135,7 @@ amdgpu_pci_remove(struct pci_dev *pdev)
> >       struct drm_device *dev = pci_get_drvdata(pdev);
> >
> >       drm_dev_unplug(dev);
> > +     ttm_bo_unmap_virtual_address_space(&adev->mman.bdev);
> >       amdgpu_driver_unload_kms(dev);
> >
> >       pci_disable_device(pdev);
>