drm/etnaviv: drop DRM_AUTH usage from the driver

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@pengutronix.de>
Cc: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: etnaviv@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190527081741.14235-3-emil.l.velikov@gmail.com

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 = {