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51 Commits

Author SHA1 Message Date
Rob Clark c6eefa1750 drm: add drm_send_vblank_event() helper (v5) 
A helper that drivers can use to send vblank event after a pageflip.
If the driver doesn't support proper vblank irq based time/seqn then
just pass -1 for the pipe # to get do_gettimestamp() behavior (since
there are a lot of drivers that don't use drm_vblank_count_and_time())

Also an internal send_vblank_event() helper for the various other code
paths within drm_irq that also need to send vblank events.

v1: original
v2: add back 'vblwait->reply.sequence = seq' which should not have
    been deleted
v3: add WARN_ON() in case lock is not held and comments
v4: use WARN_ON_SMP() instead to fix issue with !SMP && !DEBUG_SPINLOCK
    as pointed out by Marcin Slusarz
v5: update docbook

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
 2012-11-20 15:47:21 +10:00
Laurent Pinchart 9cad9c95d7 Documentation: DocBook DRM framework documentation 
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Clark <rob.clark@linaro.org>
 2012-08-23 12:02:53 +02:00
Michael Witten bcd3cfc121 DocBook/drm: Clean up a todo-note 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:37 +00:00
Michael Witten 7f0925aca5 DocBook/drm: `device aware' -> `device-aware' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:35 +00:00
Michael Witten a5294e01f2 DocBook/drm: `(device|driver) specific' -> `(device|driver)-specific' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:33 +00:00
Michael Witten 5a462d58c8 DocBook/drm: Clean up the paragraph on framebuffer objects 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:32 +00:00
Michael Witten 964d32dcbe DocBook/drm: Use `; otherwise,' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:30 +00:00
Michael Witten e355b2014d DocBook/drm: Better flow with `, and then' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:28 +00:00
Michael Witten b8c6e0fe46 DocBook/drm: Refer to the domain-setting function as a device-specific ioctl 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:26 +00:00
Michael Witten 2d43f5d667 DocBook/drm: Improve flow of GPU/CPU coherence sentence 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:24 +00:00
Michael Witten 0c2d91a80a DocBook/drm: Use an <itemizelist> for fundamental GEM operations 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:22 +00:00
Michael Witten f877bd4ad5 DocBook/drm: Insert a comma 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:20 +00:00
Michael Witten 51b9500de2 DocBook/drm: Use a <variablelist> for vblank ioctls 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:18 +00:00
Michael Witten 65ffef508f DocBook/drm: Use an itemizedlist for what an encoder needs to provide 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:16 +00:00
Michael Witten 4dc0152d57 DocBook/drm: Insert `the' for readability, and change `set' to `setting' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:14 +00:00
Michael Witten 896ee65fb6 DocBook/drm: Remove extraneous commas 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:12 +00:00
Michael Witten 8a9ba910ac DocBook/drm: Use a colon 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:09 +00:00
Michael Witten 327d6fb962 DocBook/drm: Clarify `final initialization' via better formatting 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:07 +00:00
Michael Witten 3bf7df6156 DocBook/drm: Remove redundancy 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:05 +00:00
Michael Witten 1dbd39c3ea DocBook/drm: Insert `it' for smooth reading 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:03 +00:00
Michael Witten 9029bd7a42 DocBook/drm: The word `so-called'; I do not think it connotes what you think it connotes 
From Webster's Revised Unabridged Dictionary (1913) [web1913]:

    So-called \So"-called`\, a.
       So named; called by such a name (but perhaps called thus with
       doubtful propriety).

  From WordNet (r) 2.0 [wn]:

    so-called
         adj : doubtful or suspect; "these so-called experts are no help"
               [syn: {alleged(a)}, {supposed}]

My strong conviction is that widespread use of 'so gennant'
or 'sogennant' in German has led to the creeping misuse of
'so-called' in English (especially through technical writings).

In English, it would be better to use:

  what is called

or a better translation of 'so gennant':

  so named

Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 20:00:01 +00:00
Michael Witten 54f2cb8fc9 DocBook/drm: Use a singular subject for grammatical cleanliness 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:59:59 +00:00
Michael Witten 482b2ad8e4 DocBook/drm: basic -> core 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:59:56 +00:00
Michael Witten 049cc903e7 DocBook/drm: Streamline wording of GEM initialization 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:59:54 +00:00
Michael Witten ae63d793a4 DocBook/drm: Insert `()' after function name 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:59:52 +00:00
Michael Witten 1c86de2216 DocBook/drm: Remove parentheses and unnecessary repetition 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:59:50 +00:00
Michael Witten 005d7f4a01 DocBook/drm: Insert missing comma 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:59:48 +00:00
Michael Witten eb2b8d4273 DocBook/drm: , -> : 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:59:45 +00:00
Michael Witten 8d36ffae67 DocBook/drm: can -> could 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:31:10 +00:00
Michael Witten 118bdd70bd DocBook/drm: Offset modifiers with commas 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:31:08 +00:00
Michael Witten 9c2416adac DocBook/drm: Use the passive voice 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:31:06 +00:00
Michael Witten bb49a6a1f3 DocBook/drm: `at driver load time' -> `when the driver is loaded' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:31:03 +00:00
Michael Witten 5b658bf2bf DocBook/drm: `setup' is the noun; `to set up' is the verb 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:59 +00:00
Michael Witten f07faf693c DocBook/drm: Insert missing `an' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:56 +00:00
Michael Witten 8814630f0b DocBook/drm: Insert missing `that' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:53 +00:00
Michael Witten 57a15fd663 DocBook/drm: Clearer wording with `for consumption by' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:50 +00:00
Michael Witten 06fa7b8066 DocBook/drm: Better wording 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:47 +00:00
Michael Witten 6e375f44b6 DocBook/drm: Replace the paragraph's first sentence with its last sentence 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:45 +00:00
Michael Witten 75aa9df5a2 DocBook/drm: Rearrange wording to make more sense 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:42 +00:00
Michael Witten 58f1d652de DocBook/drm: Clean up `pre-memory management aware' 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:39 +00:00
Michael Witten 80c84e6f3c DocBook/drm: Move `should be set' to the beginning of the sentence 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:37 +00:00
Michael Witten b1f95bdc1e DocBook/drm: , -> . 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:34 +00:00
Michael Witten 02391f1fe7 DocBook/drm: a -> an 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:32 +00:00
Michael Witten 2c267e9e01 DocBook/drm: Use a semicolon 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:29 +00:00
Michael Witten 0c54781bc5 DocBook/drm: Clean up code comment 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-29 19:30:24 +00:00
Michael Witten f11aca045c DocBook/drm: can -> may 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-25 21:29:55 +00:00
Michael Witten a78f6787a3 DocBook/drm: Eradicate inappropriate uses of the future tense 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
 2011-08-25 17:18:08 +00:00
Xiao Jiang bd91572e77 drm: fix wrong usages of drm_device in DRM Developer's Guide 
A few wrong usages of drm_device, which should be drm_driver.

Signed-off-by: Xiao Jiang <jgq516@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
 2011-02-15 09:01:29 +10:00
Arnd Bergmann dc880abef7 drm: use noop_llseek 
The drm device drivers currently allow seeking on the
character device but never care about the actual
file position.

When we change the default llseek operation to be
no_llseek, calling llseek on a drm device would
return an error condition, which is an API change.

Explicitly setting noop_llseek lets us keep the
current API.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
 2010-09-16 10:33:07 +02:00
Nicolas Kaiser ce04cc089b drm: fix typos in Linux DRM Developer's Guide 
A few typos in the DRM Developer's Guide.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Acked-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
 2010-06-03 13:13:32 +10:00