2009-10-26 13:06:31 -07:00
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2015-10-11 11:26:26 +02:00
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2009-10-26 13:06:31 -07:00
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2015-10-07 09:55:28 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2014-01-22 22:38:57 +01:00
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2015-10-11 11:55:00 +02:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2014-01-22 22:38:57 +01:00
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2012-07-13 00:57:26 +02:00
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2014-01-22 22:38:57 +01:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2015-10-11 11:55:00 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2015-10-11 11:55:00 +02:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2014-01-22 12:21:16 +01:00
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2015-10-11 11:26:26 +02:00
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2014-01-22 12:21:16 +01:00
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2009-10-26 13:06:31 -07:00
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2011-08-25 17:21:31 +00:00
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2009-10-26 13:06:31 -07:00
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2011-08-25 17:18:08 +00:00
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2009-10-26 13:06:31 -07:00
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2011-08-25 17:18:08 +00:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2015-09-28 21:46:35 +02:00
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2014-04-23 11:52:10 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2013-06-22 14:10:59 +02:00
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2012-07-13 00:57:26 +02:00
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|
drm: implement experimental render nodes
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-25 18:29:00 +02:00
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2014-12-18 16:01:50 -05:00
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2012-07-13 00:57:26 +02:00
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2014-05-19 13:39:07 +02:00
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2015-09-28 21:46:35 +02:00
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2014-08-08 11:33:12 +02:00
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2014-05-19 13:39:07 +02:00
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2012-07-13 00:57:26 +02:00
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2013-06-22 14:10:59 +02:00
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2012-07-13 00:57:26 +02:00
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2013-06-22 14:10:59 +02:00
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2013-11-03 21:09:27 +01:00
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2013-06-22 14:10:59 +02:00
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2012-07-13 00:57:26 +02:00
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2015-09-28 21:46:35 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2013-05-08 16:56:16 -07:00
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2012-07-13 00:57:26 +02:00
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2014-05-15 13:54:06 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2014-11-03 14:45:44 +01:00
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2009-10-26 13:06:31 -07:00
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2014-11-03 14:45:44 +01:00
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2012-07-13 00:57:26 +02:00
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2014-11-03 14:45:44 +01:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2014-11-03 14:45:44 +01:00
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2012-07-13 00:57:26 +02:00
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2014-11-03 14:45:44 +01:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2014-11-03 14:45:44 +01:00
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2012-07-13 00:57:26 +02:00
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2014-11-03 14:45:44 +01:00
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2012-07-13 00:57:26 +02:00
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2014-01-22 18:46:33 +01:00
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2014-01-21 12:39:00 +01:00
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2014-01-22 18:46:33 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-22 12:28:42 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-22 18:46:33 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-22 18:46:33 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-22 18:46:33 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-22 19:16:30 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-23 00:31:48 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-23 00:31:48 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-23 00:31:48 +01:00
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2014-11-03 14:45:44 +01:00
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2014-01-23 00:39:13 +01:00
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2014-11-03 14:45:44 +01:00
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2014-11-03 13:56:55 +01:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2014-01-23 15:06:15 +01:00
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2014-01-23 20:05:00 +01:00
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2014-01-23 15:06:15 +01:00
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2014-07-25 21:30:38 +02:00
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2014-01-23 15:06:15 +01:00
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2012-07-13 00:57:26 +02:00
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2014-01-21 12:01:41 +01:00
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2012-07-13 00:57:26 +02:00
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2013-01-04 22:31:20 +01:00
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2014-01-21 12:01:41 +01:00
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2013-01-04 22:31:20 +01:00
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2012-07-13 00:57:26 +02:00
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2013-01-04 22:31:20 +01:00
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2014-01-23 21:57:37 +01:00
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2013-01-04 22:31:20 +01:00
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2014-01-23 21:57:37 +01:00
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2012-07-13 00:57:26 +02:00
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2014-01-21 12:01:41 +01:00
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2012-07-13 00:57:26 +02:00
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2013-01-04 22:31:20 +01:00
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2012-07-13 00:57:26 +02:00
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2014-04-01 15:22:43 -07:00
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2012-07-13 00:57:26 +02:00
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2014-01-22 16:42:02 +01:00
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2012-07-13 00:57:26 +02:00
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2013-05-08 16:56:16 -07:00
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2012-07-13 00:57:26 +02:00
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2013-02-13 16:08:33 +01:00
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2015-03-16 18:24:46 +00:00
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2013-02-13 16:08:33 +01:00
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2012-07-13 00:57:26 +02:00
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2012-10-16 22:48:40 +00:00
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2012-07-13 00:57:26 +02:00
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2012-10-16 22:48:40 +00:00
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2012-07-13 00:57:26 +02:00
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2013-06-22 16:10:30 +02:00
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2012-07-13 00:57:26 +02:00
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2014-04-01 15:22:43 -07:00
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2014-12-17 16:13:17 +01:00
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2014-04-01 15:22:43 -07:00
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2012-07-13 00:57:26 +02:00
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2014-04-01 15:22:43 -07:00
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2012-07-13 00:57:26 +02:00
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2014-04-01 15:22:43 -07:00
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2012-07-13 00:57:26 +02:00
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2014-04-01 15:22:43 -07:00
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2012-07-13 00:57:26 +02:00
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2013-06-22 16:10:30 +02:00
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2012-07-13 00:57:26 +02:00
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2014-05-29 16:57:41 +01:00
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2012-07-13 00:57:26 +02:00
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2013-06-22 16:10:30 +02:00
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2012-07-13 00:57:26 +02:00
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2014-05-29 16:57:41 +01:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2014-05-29 16:57:41 +01:00
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2012-07-13 00:57:26 +02:00
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2012-12-02 00:09:18 +01:00
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2014-10-27 16:54:27 +01:00
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2012-12-02 00:09:18 +01:00
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2013-11-19 12:10:12 -05:00
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2012-07-13 00:57:26 +02:00
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2012-11-01 14:45:15 +01:00
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2012-07-13 00:57:26 +02:00
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2012-11-01 14:45:15 +01:00
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2012-07-13 00:57:26 +02:00
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2014-04-01 15:22:43 -07:00
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2012-07-13 00:57:26 +02:00
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2014-04-01 15:22:43 -07:00
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2012-07-13 00:57:26 +02:00
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2014-12-10 21:11:31 +02:00
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2012-07-13 00:57:26 +02:00
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2014-12-10 21:11:31 +02:00
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2012-07-13 00:57:26 +02:00
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2014-12-10 21:11:31 +02:00
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2014-04-02 12:29:46 +02:00
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2012-07-13 00:57:26 +02:00
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2014-12-10 21:11:31 +02:00
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2012-07-13 00:57:26 +02:00
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2014-12-10 21:11:31 +02:00
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2012-07-13 00:57:26 +02:00
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2014-12-10 21:11:31 +02:00
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2012-07-13 00:57:26 +02:00
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2014-01-21 12:01:41 +01:00
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2012-07-13 00:57:26 +02:00
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2014-04-02 12:29:46 +02:00
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2012-07-13 00:57:26 +02:00
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2014-11-06 20:53:29 +01:00
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2014-11-25 20:29:46 -05:00
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2014-11-06 20:53:29 +01:00
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2012-11-01 14:45:16 +01:00
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2014-12-17 16:41:43 +01:00
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2012-11-01 14:45:16 +01:00
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2014-11-06 20:53:29 +01:00
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2014-04-10 10:51:11 +02:00
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2012-11-01 14:45:16 +01:00
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2012-11-01 14:45:17 +01:00
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2013-01-20 22:13:14 +01:00
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2012-11-01 14:45:17 +01:00
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2012-11-01 14:45:18 +01:00
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2014-06-05 14:01:32 +10:00
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2014-08-05 10:41:13 +02:00
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2012-11-01 14:45:18 +01:00
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2013-01-14 09:00:31 +01:00
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2013-05-08 17:16:45 +03:00
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2013-08-07 14:41:54 -04:00
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2013-05-08 17:16:45 +03:00
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2014-01-22 18:26:16 +01:00
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2014-04-01 15:22:43 -07:00
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2014-11-06 20:53:29 +01:00
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2014-04-01 15:22:43 -07:00
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2014-10-20 16:17:17 +10:00
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2015-05-21 11:03:17 +05:30
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2012-07-13 00:57:26 +02:00
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2013-06-22 16:10:30 +02:00
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2014-05-15 13:54:06 -07:00
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2013-06-22 16:10:30 +02:00
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Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2015-05-28 16:35:07 +05:30
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2014-12-18 16:01:54 -05:00
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|
Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-10-22 12:03:04 +10:00
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2014-10-20 16:30:50 +10:00
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2014-12-18 16:01:54 -05:00
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2014-12-18 16:01:53 -05:00
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2014-06-09 14:20:22 +01:00
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2014-12-18 16:01:53 -05:00
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Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-11-10 10:18:15 +10:00
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2014-06-11 14:33:05 +05:30
|
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|
Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-06-11 14:33:05 +05:30
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Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2015-05-28 16:35:07 +05:30
|
|
|
|
2014-07-08 10:32:02 +05:30
|
|
|
|
Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-07-08 10:32:02 +05:30
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Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-07-08 10:32:02 +05:30
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Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-07-08 10:32:02 +05:30
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|
Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-07-08 10:32:02 +05:30
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|
Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-07-08 10:32:02 +05:30
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Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2015-07-07 19:13:37 +01:00
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2015-05-28 16:35:07 +05:30
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|
Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2014-07-08 10:32:02 +05:30
|
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|
Documentation: drm: describing drm properties exposed by various drivers
Started documenting drm properties for drm drivers. This patch provides
information about properties in drm, i915, psb and cdv/gma-500. Information
about other properties can be added on top of these.
v2: Added description of drm properties in armada, exynos, i2c/ch7006, noveau,
omap, qxl, radeon, rcar-du
v3: Removed "Property Object" column since it is implementation related. Property
type column refined.[Ville's review comments]
v4: Removed whitespace warnings and minor nits. [Randy's review comments]
v5: Restructured output for ENUM properties
v6: Review comments on formatting the table. [Laurent's review comments]
v7: Minor restructuring. [Laurent's review comments]
Cc: Rob Landley <rob@landley.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Sagar Kamble <sagar.a.kamble@intel.com>
Cc: "Purushothaman, Vijay A" <vijay.a.purushothaman@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-11 19:55:29 +05:30
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2012-07-13 00:57:26 +02:00
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2014-08-06 14:49:53 +03:00
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2014-08-06 14:49:54 +03:00
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2012-07-13 00:57:26 +02:00
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2014-05-08 16:41:51 +02:00
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2014-09-23 15:46:54 +02:00
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2014-05-08 16:41:51 +02:00
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2012-07-13 00:57:26 +02:00
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2013-08-08 15:41:15 +02:00
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2012-07-13 00:57:26 +02:00
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2013-08-08 15:41:15 +02:00
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2012-07-13 00:57:26 +02:00
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2013-08-08 15:41:15 +02:00
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2015-10-11 11:55:00 +02:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2011-08-25 20:55:58 +00:00
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2012-07-13 00:57:26 +02:00
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2015-09-28 21:42:40 +02:00
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2012-07-13 00:57:26 +02:00
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2011-08-25 20:55:58 +00:00
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2009-10-26 13:06:31 -07:00
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2015-09-08 13:56:27 +02:00
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2009-10-26 13:06:31 -07:00
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2014-01-22 16:46:44 +01:00
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2009-10-26 13:06:31 -07:00
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2014-05-15 13:54:06 -07:00
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2014-01-22 16:46:44 +01:00
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2014-05-15 13:54:06 -07:00
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2014-01-22 16:46:44 +01:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2014-01-22 16:46:44 +01:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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2009-10-26 13:06:31 -07:00
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2011-08-29 18:05:52 +00:00
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2011-08-29 18:07:13 +00:00
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2009-10-26 13:06:31 -07:00
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2011-08-29 19:29:16 +00:00
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2009-10-26 13:06:31 -07:00
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2012-07-13 00:57:26 +02:00
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|
drm: implement experimental render nodes
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-25 18:29:00 +02:00
|
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|
|
2014-01-21 12:51:43 +01:00
|
|
|
|
|
|
|
|
|
drm: implement experimental render nodes
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-25 18:29:00 +02:00
|
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|
|
2014-01-21 12:51:43 +01:00
|
|
|
|
drm: implement experimental render nodes
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-25 18:29:00 +02:00
|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
2014-01-21 12:51:43 +01:00
|
|
|
|
drm: implement experimental render nodes
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-25 18:29:00 +02:00
|
|
|
|
2014-01-21 12:51:43 +01:00
|
|
|
|
drm: implement experimental render nodes
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-25 18:29:00 +02:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-01-21 12:51:43 +01:00
|
|
|
|
drm: implement experimental render nodes
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-08-25 18:29:00 +02:00
|
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|
2012-07-13 00:57:26 +02:00
|
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|
2014-05-08 15:39:19 +02:00
|
|
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|
|
2012-07-13 00:57:26 +02:00
|
|
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|
|
2009-10-26 13:06:31 -07:00
|
|
|
|
2014-01-22 12:21:16 +01:00
|
|
|
|
|
|
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|
|
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|
|
|
2009-10-26 13:06:31 -07:00
|
|
|
|
2014-01-22 12:21:16 +01:00
|
|
|
|
2009-10-26 13:06:31 -07:00
|
|
|
|
2015-10-11 11:26:26 +02:00
|
|
|
|
|
|
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|
|
2014-01-22 12:21:16 +01:00
|
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|
2009-10-26 13:06:31 -07:00
|
|
|
|
2014-01-22 12:21:16 +01:00
|
|
|
|
2009-10-26 13:06:31 -07:00
|
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|
2014-01-22 12:21:16 +01:00
|
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|
2014-09-30 10:56:42 +02:00
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2015-01-28 17:47:58 +02:00
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2014-09-30 10:56:42 +02:00
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2014-09-30 10:56:45 +02:00
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2015-02-10 19:05:47 +08:00
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2014-09-30 10:56:42 +02:00
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2014-01-22 12:21:16 +01:00
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2014-09-19 18:27:27 +02:00
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2014-09-30 10:56:50 +02:00
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2014-09-19 18:27:27 +02:00
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2014-01-22 12:21:16 +01:00
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2014-12-23 10:41:52 -08:00
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2014-01-22 12:21:16 +01:00
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2015-07-02 16:05:28 +03:00
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2014-10-27 16:27:00 +02:00
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2015-10-01 17:01:09 +08:00
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2014-11-14 08:52:29 -08:00
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2014-12-08 06:46:31 -08:00
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2015-02-13 15:33:03 +05:30
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2014-10-27 16:27:00 +02:00
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2014-04-25 20:14:31 +03:00
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2014-04-25 20:14:32 +03:00
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2015-03-10 21:18:30 +02:00
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2014-04-25 20:14:32 +03:00
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2015-03-10 21:18:30 +02:00
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2014-04-25 20:14:32 +03:00
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2014-04-25 20:14:31 +03:00
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2015-05-13 22:13:29 +05:30
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2014-01-22 12:21:16 +01:00
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2014-04-25 16:59:00 +02:00
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2014-12-11 12:13:08 -08:00
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2014-04-25 16:59:00 +02:00
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2014-07-24 17:04:48 +01:00
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2014-12-10 17:27:59 +00:00
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2015-07-24 17:40:12 +02:00
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2015-07-24 17:40:15 +02:00
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2015-07-24 17:40:12 +02:00
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2015-07-24 17:40:15 +02:00
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2014-12-10 17:27:59 +00:00
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2015-01-05 14:36:59 +01:00
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2015-03-18 14:47:59 +01:00
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2015-01-05 14:36:59 +01:00
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2015-03-18 14:47:59 +01:00
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2014-01-22 12:21:16 +01:00
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|
drm/i915: Integrate GuC-based command submission
GuC-based submission is mostly the same as execlist mode, up to
intel_logical_ring_advance_and_submit(), where the context being
dispatched would be added to the execlist queue; at this point
we submit the context to the GuC backend instead.
There are, however, a few other changes also required, notably:
1. Contexts must be pinned at GGTT addresses accessible by the GuC
i.e. NOT in the range [0..WOPCM_SIZE), so we have to add the
PIN_OFFSET_BIAS flag to the relevant GGTT-pinning calls.
2. The GuC's TLB must be invalidated after a context is pinned at
a new GGTT address.
3. GuC firmware uses the one page before Ring Context as shared data.
Therefore, whenever driver wants to get base address of LRC, we
will offset one page for it. LRC_PPHWSP_PN is defined as the page
number of LRCA.
4. In the work queue used to pass requests to the GuC, the GuC
firmware requires the ring-tail-offset to be represented as an
11-bit value, expressed in QWords. Therefore, the ringbuffer
size must be reduced to the representable range (4 pages).
v2:
Defer adding #defines until needed [Chris Wilson]
Rationalise type declarations [Chris Wilson]
v4:
Squashed kerneldoc patch into here [Daniel Vetter]
v5:
Update request->tail in code common to both GuC and execlist modes.
Add a private version of lr_context_update(), as sharing the
execlist version leads to race conditions when the CPU and
the GuC both update TAIL in the context image.
Conversion of error-captured HWS page to string must account
for offset from start of object to actual HWS (LRC_PPHWSP_PN).
Issue: VIZ-4884
Signed-off-by: Alex Dai <yu.dai@intel.com>
Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Reviewed-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-08-12 15:43:43 +01:00
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2015-08-24 14:41:21 +01:00
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|
drm/i915: Integrate GuC-based command submission
GuC-based submission is mostly the same as execlist mode, up to
intel_logical_ring_advance_and_submit(), where the context being
dispatched would be added to the execlist queue; at this point
we submit the context to the GuC backend instead.
There are, however, a few other changes also required, notably:
1. Contexts must be pinned at GGTT addresses accessible by the GuC
i.e. NOT in the range [0..WOPCM_SIZE), so we have to add the
PIN_OFFSET_BIAS flag to the relevant GGTT-pinning calls.
2. The GuC's TLB must be invalidated after a context is pinned at
a new GGTT address.
3. GuC firmware uses the one page before Ring Context as shared data.
Therefore, whenever driver wants to get base address of LRC, we
will offset one page for it. LRC_PPHWSP_PN is defined as the page
number of LRCA.
4. In the work queue used to pass requests to the GuC, the GuC
firmware requires the ring-tail-offset to be represented as an
11-bit value, expressed in QWords. Therefore, the ringbuffer
size must be reduced to the representable range (4 pages).
v2:
Defer adding #defines until needed [Chris Wilson]
Rationalise type declarations [Chris Wilson]
v4:
Squashed kerneldoc patch into here [Daniel Vetter]
v5:
Update request->tail in code common to both GuC and execlist modes.
Add a private version of lr_context_update(), as sharing the
execlist version leads to race conditions when the CPU and
the GuC both update TAIL in the context image.
Conversion of error-captured HWS page to string must account
for offset from start of object to actual HWS (LRC_PPHWSP_PN).
Issue: VIZ-4884
Signed-off-by: Alex Dai <yu.dai@intel.com>
Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Reviewed-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-08-12 15:43:43 +01:00
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2014-11-10 13:44:31 +00:00
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2014-01-22 12:21:16 +01:00
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2014-09-30 10:56:45 +02:00
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2014-01-22 12:21:16 +01:00
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2015-10-11 11:55:00 +02:00
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2009-10-26 13:06:31 -07:00
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