On Mon, 27 May 2019 at 09:19, Emil Velikov <emil.l.velikov@xxxxxxxxx> wrote:
>
> From: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxx>
> Cc: Christian Gmeiner <christian.gmeiner@xxxxxxxxx>
> Cc: etnaviv@xxxxxxxxxxxxxxxxxxxxx
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Signed-off-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> ---
> 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
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