linux-toradex.git/drivers/gpu/drm/drm_platform.c, branch v4.5-rc3

drm/doc: Update docs about device instance setup

2015-09-30T08:06:06+00:00

->load is deprecated, bus functions are deprecated and everyone
should use drm_dev_alloc®ister.

So update the .tmpl (and pull a bunch of the overview docs into the
sourcecode to increase chances that it'll stay in sync in the future)
and add notes to functions which are deprecated. I didn't bother to
clean up and document the unload sequence similarly since that one is
still a bit a mess: drm_dev_unregister does way too much,
drm_unplug_dev does what _unregister should be doing but then has the
complication of promising something it doesn't actually do (it doesn't
unplug existing open fds for instance, only prevents new ones).

Motivated since I don't want to hunt every new driver for usage of
drm_platform_init any more ;-)

v2: Reword the deprecation note for ->load a bit, using Laurent's
suggestion as an example (but making the wording a bit stronger even).
Fix spelling in commit message.

v3: More spelling fixes from Laurent.

Cc: Laurent Pinchart 
Cc: David Herrmann 
Acked-by: David Herrmann  (v2)
Signed-off-by: Daniel Vetter 
Signed-off-by: Daniel Vetter

drm: Goody bye, drm_bus!

2014-09-10T07:43:10+00:00

..we will not miss you..

Signed-off-by: David Herrmann 
Reviewed-by: Thierry Reding 
Reviewed-by: Daniel Vetter 
Signed-off-by: Dave Airlie

drm: add driver->set_busid() callback

2014-09-10T07:43:04+00:00

One step closer to dropping all the drm_bus_* code:
Add a driver->set_busid() callback and make all drivers use the generic
helpers. Nouveau is the only driver that uses two different bus-types with
the same drm_driver. This is totally broken if both buses are available on
the same machine (unlikely, but lets be safe). Therefore, we create two
different drivers for each platform during module_init() and set the
set_busid() callback respectively.

Signed-off-by: David Herrmann 
Reviewed-by: Thierry Reding 
Signed-off-by: Dave Airlie

drm: drop unused drm_master->unique_size

2014-09-10T07:42:17+00:00

This field is unused and there is really no reason to optimize
unique-allocations. Drop it.

Signed-off-by: David Herrmann 
Reviewed-by: Thierry Reding 
Reviewed-by: Daniel Vetter 
Signed-off-by: Dave Airlie

drm: simplify drm_*_set_unique()

2014-09-10T07:42:14+00:00

Lets use kasprintf() to avoid pre-allocating the buffer. This is really
nothing to optimize for speed and the input is trusted, so kasprintf() is
just fine.

Signed-off-by: David Herrmann 
Reviewed-by: Thierry Reding 
Reviewed-by: Daniel Vetter 
Signed-off-by: Dave Airlie

drm: Add device registration documentation

2014-06-05T21:14:38+00:00

Describe how devices are registered using the drm_*_init() functions.
Adding this to docbook requires a largish set of changes to the comments
in drm_{pci,usb,platform}.c since they are doxygen-style rather than
proper kernel-doc and therefore mess with the docbook generation.

While at it, mark usage of drm_put_dev() as discouraged in favour of
calling drm_dev_unregister() and drm_dev_unref() directly.

Acked-by: Daniel Vetter 
Signed-off-by: Thierry Reding

drm: Remove dev->kdriver

2014-04-23T08:32:54+00:00

With the last patch to ditch the ->get_name callbacks the last
user is now gone.

Reviewed-by: Thierry Reding 
Reviewed-by: Laurent Pinchart 
Signed-off-by: Daniel Vetter

drm: remove drm_bus->get_name

2014-04-23T08:32:53+00:00

The only user is the info debugfs file, so we only need something
human readable. Now for both pci and platform devices we've used the
name of the underlying device driver, which matches the name of the
drm driver in all cases. So we can just use that instead.

The exception is usb, which used a generic "USB". Not to harmful with
just one usb driver, but better to use "udl", too.

With that converted we can rip out all the ->get_name implementations.

Reviewed-by: Thierry Reding 
Reviewed-by: Laurent Pinchart 
Signed-off-by: Daniel Vetter

drm: rip out dev->devname

2014-04-23T08:32:52+00:00

This was only ever used to pretty-print the irq driver name. And on
kms systems due to set_version bonghits we never set up the prettier
name, ever. Which make this a bit pointless.

Also, we can always dig out the driver-instance/irq relationship
through other means, so this isn't that useful. So just rip it out to
simplify the set_version/set_busid insanity a bit.

Also delete the temporary busname from drm_pci_set_busid, it's now
unused.

v2: Rebase on top of the new host1x drm_bus for tegra.

Reviewed-by: Thierry Reding 
Reviewed-by: Laurent Pinchart 
Signed-off-by: Daniel Vetter

drm: remove bus->get_irq implementations

2014-04-23T08:32:51+00:00

Now that they're all unused we can get rid of them, including the
dummy version in drm_usb.c.

Reviewed-by: Thierry Reding 
Reviewed-by: Laurent Pinchart 
Signed-off-by: Daniel Vetter