[PATCH 1/2] drm/radeon: fix page directory update size estimation

[Alex Deucher]

On Mon, May 12, 2014 at 9:30 AM, Christian König
<deathsimple at vodafone.de> wrote:
> From: Christian König <christian.koenig at amd.com>
>
> Take padding into account as well.
>
> Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=75651
>
> Signed-off-by: Christian König <christian.koenig at amd.com>

For the series:

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/radeon/radeon_vm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
> index 2aae6ce..d9ab99f 100644
> --- a/drivers/gpu/drm/radeon/radeon_vm.c
> +++ b/drivers/gpu/drm/radeon/radeon_vm.c
> @@ -595,7 +595,7 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev,
>         ndw = 64;
>
>         /* assume the worst case */
> -       ndw += vm->max_pde_used * 12;
> +       ndw += vm->max_pde_used * 16;
>
>         /* update too big for an IB */
>         if (ndw > 0xfffff)
> --
> 1.9.1
>
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