From 00153aebc22b8120ab18012e383c98e97fb509e4 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Tue, 21 Jan 2014 12:51:43 +0100 Subject: drm/doc: Remove from rendernode docs The stylesheet doesn't allow this in normal paragraphs. Cc: David Herrmann Acked-by: David Herrmann Reviewed-by: Alex Deucher Signed-off-by: Daniel Vetter --- Documentation/DocBook/drm.tmpl | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'Documentation/DocBook') diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index 1cdca9ad8844..0d2adf9825e9 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -2673,8 +2673,8 @@ int (*resume) (struct drm_device *); DRM core provides multiple character-devices for user-space to use. Depending on which device is opened, user-space can perform a different set of operations (mainly ioctls). The primary node is always created - and called card<num>. Additionally, a currently - unused control node, called controlD<num> is also + and called card<num>. Additionally, a currently + unused control node, called controlD<num> is also created. The primary node provides all legacy operations and historically was the only interface used by userspace. With KMS, the control node was introduced. However, the planned KMS control interface @@ -2689,21 +2689,21 @@ int (*resume) (struct drm_device *); nodes were introduced. Render nodes solely serve render clients, that is, no modesetting or privileged ioctls can be issued on render nodes. Only non-global rendering commands are allowed. If a driver supports - render nodes, it must advertise it via the DRIVER_RENDER + render nodes, it must advertise it via the DRIVER_RENDER DRM driver capability. If not supported, the primary node must be used for render clients together with the legacy drmAuth authentication procedure. If a driver advertises render node support, DRM core will create a - separate render node called renderD<num>. There will + separate render node called renderD<num>. There will be one render node per device. No ioctls except PRIME-related ioctls - will be allowed on this node. Especially GEM_OPEN will be + will be allowed on this node. Especially GEM_OPEN will be explicitly prohibited. Render nodes are designed to avoid the buffer-leaks, which occur if clients guess the flink names or mmap offsets on the legacy interface. Additionally to this basic interface, drivers must mark their driver-dependent render-only ioctls as - DRM_RENDER_ALLOW so render clients can use them. Driver + DRM_RENDER_ALLOW so render clients can use them. Driver authors must be careful not to allow any privileged ioctls on render nodes. -- cgit v1.2.3