On Fri, 2019-08-02 at 19:29 +0200, Lucas Stach wrote:
> With per-process address spaces in place, a rogue process submitting
> bogus command streams can only hurt itself. There is no need to
> validate the command stream before execution anymore.
>
> Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> index 27a14a270a55..627c80ed63d8 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> @@ -517,7 +517,8 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
> if (ret)
> goto err_submit_objects;
>
> - if (!etnaviv_cmd_validate_one(gpu, stream, args->stream_size / 4,
> + if ((priv->mmu_global->version != ETNAVIV_IOMMU_V2) &&
> + !etnaviv_cmd_validate_one(gpu, stream, args->stream_size / 4,
> relocs, args->nr_relocs)) {
> ret = -EINVAL;
> goto err_submit_objects;
Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
regards
Philipp
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