[PATCH 03/13] drm/etnaviv: drop DRM_AUTH usage from the driver

Emil Velikov emil.l.velikov at gmail.com
Thu Jun 6 10:57:40 UTC 2019


On Mon, 27 May 2019 at 09:19, Emil Velikov <emil.l.velikov at gmail.com> wrote:
>
> From: Emil Velikov <emil.velikov at collabora.com>
>
> The authentication can be circumvented, by design, by using the render
> node.
>
> From the driver POV there is no distinction between primary and render
> nodes, thus we can drop the token.
>
> Cc: Lucas Stach <l.stach at pengutronix.de>
> Cc: Christian Gmeiner <christian.gmeiner at gmail.com>
> Cc: etnaviv at lists.freedesktop.org
> Cc: David Airlie <airlied at linux.ie>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
> ---
>  drivers/gpu/drm/etnaviv/etnaviv_drv.c | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> index 7eb7cf9c3fa8..a3076704ba4f 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> @@ -430,17 +430,17 @@ static int etnaviv_ioctl_pm_query_sig(struct drm_device *dev, void *data,
>  static const struct drm_ioctl_desc etnaviv_ioctls[] = {
>  #define ETNA_IOCTL(n, func, flags) \
>         DRM_IOCTL_DEF_DRV(ETNAVIV_##n, etnaviv_ioctl_##func, flags)
> -       ETNA_IOCTL(GET_PARAM,    get_param,    DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(GEM_NEW,      gem_new,      DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(GEM_INFO,     gem_info,     DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(GEM_CPU_PREP, gem_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(GEM_CPU_FINI, gem_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(GEM_SUBMIT,   gem_submit,   DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(WAIT_FENCE,   wait_fence,   DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(GEM_USERPTR,  gem_userptr,  DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(GEM_WAIT,     gem_wait,     DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(PM_QUERY_DOM, pm_query_dom, DRM_AUTH|DRM_RENDER_ALLOW),
> -       ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_AUTH|DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GET_PARAM,    get_param,    DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GEM_NEW,      gem_new,      DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GEM_INFO,     gem_info,     DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GEM_CPU_PREP, gem_cpu_prep, DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GEM_CPU_FINI, gem_cpu_fini, DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GEM_SUBMIT,   gem_submit,   DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(WAIT_FENCE,   wait_fence,   DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GEM_USERPTR,  gem_userptr,  DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(GEM_WAIT,     gem_wait,     DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(PM_QUERY_DOM, pm_query_dom, DRM_RENDER_ALLOW),
> +       ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW),
>  };
>
>  static const struct vm_operations_struct vm_ops = {
> --

Humble poke?

Thanks,
Emil


More information about the etnaviv mailing list