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

[Christian König]

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.

> ---
>   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);