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Some state is coupled into the device lifetime outside of the
load/unload timeframe and requires teardown during final unreference
from drm_dev_release(). For example, dmabufs hold both a device and
module reference and may live longer than expected (i.e. the current
pattern of the driver tearing down its state and then releasing a
reference to the drm device) and yet touch driver private state when
destroyed.
v2: Export drm_dev_fini() and move the responsibility for finalizing the
drm_device and freeing it to the release callback. (If no callback is
provided, the core will call drm_dev_fini() and kfree(dev) as before.)
v3: Remember to add drm_dev_fini() to drm_drv.h
v4: Tidy language for kerneldoc
v5: Cross reference from drm_dev_init() to note that driver->release()
allows for arbitrary embedding.
v6: Refer to driver data rather than driver state, as state is now
becoming associated with the struct drm_atomic_state and friends.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[danvet: Use the proper reference for struct members, which is
&drm_driver.release.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170202093632.31017-1-chris@chris-wilson.co.uk
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No point in documenting these, they only confuse.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-13-daniel.vetter@ffwll.ch
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i915, nouveau (ever since merged to upstream) and radeon all lack ums
support in upstream. No point keeping the ums vgaarb support around.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-12-daniel.vetter@ffwll.ch
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With that the drm_pci_device_is_agp function becomes trivial, so
inline that too. And while at it, move the drm_pci_agp_destroy
declaration into drm-internal.h, since it's not used by drivers.
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-11-daniel.vetter@ffwll.ch
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I just learned that &struct_name.member_name works and looks pretty
even. It doesn't (yet) link to the member directly though, which would
be really good for big structures or vfunc tables (where the
per-member kerneldoc tends to be long).
Also some minor drive-by polish where it makes sense, I read a lot
of docs ...
v2: Review from Gustavo.
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-6-daniel.vetter@ffwll.ch
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The integer returned by the unload hook is ignored by the drm core, so
let's make it void.
This patch was created using the following Coccinelle semantic script
(except for the declaration and comment in drm_drv.h):
Compile-tested only.
// <smpl>
@ get_name @
struct drm_driver drv;
identifier fn;
@@
drv.unload = fn;
@ replace_type @
identifier get_name.fn;
@@
- int
+ void
fn (...)
{
...
}
@ remove_return_param @
identifier get_name.fn;
@@
void fn (...)
{
<...
if (...)
return
- ...
;
...>
}
@ drop_final_return @
identifier get_name.fn;
@@
void fn (...)
{
...
- return 0;
}
// </smpl>
Suggested-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Acked-by: Christian König <christian.koenig@amd.com>.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106175731.29196-1-krisman@collabora.co.uk
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v2:
- Replace discouraged with deprecated
- Link to new initialization/teardown functions
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170102142008.22174-3-krisman@collabora.co.uk
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git://anongit.freedesktop.org/git/drm-misc into drm-next
Big thing is that drm-misc is now officially a group maintainer/committer
model thing, with MAINTAINERS suitably updated. Otherwise just the usual
pile of misc things all over, nothing that stands out this time around.
* tag 'drm-misc-next-2016-11-29' of git://anongit.freedesktop.org/git/drm-misc: (33 commits)
drm: Introduce drm_framebuffer_assign()
drm/bridge: adv7511: Enable the audio data and clock pads on adv7533
drm/bridge: adv7511: Add Audio support
drm/edid: Consider alternate cea timings to be the same VIC
drm/atomic: Constify drm_atomic_crtc_needs_modeset()
drm: bridge: dw-hdmi: add ASoC dependency
drm: Fix shift operations for drm_fb_helper::drm_target_preferred()
drm: Avoid NULL dereference for DRM_LEGACY debug message
drm: Use u64_to_user_ptr() helper for blob ioctls
drm: Fix conflicting macro parameter in drm_mm_for_each_node_in_range()
drm: Fixup kernel doc for driver->gem_create_object
drm/hisilicon/hibmc: mark PM functions __maybe_unused
drm/hisilicon/hibmc: Checking for NULL instead of IS_ERR()
drm: bridge: add DesignWare HDMI I2S audio support
drm: Check against color expansion in drm_mm_reserve_node()
drm: Define drm_mm_for_each_node_in_range()
drm/doc: Fix links in drm_property.c
MAINTAINERS: Add link to drm-misc documentation
vgaarb: use valid dev pointer in vgaarb_info()
drm/atomic: Unconfuse the old_state mess in commmit_tail
...
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drm/virtio: fix busid in a different way, allocate more vbufs.
drm/qxl: various bugfixes and cleanups,
* tag 'drm-qemu-20161121' of git://git.kraxel.org/linux: (224 commits)
drm/virtio: allocate some extra bufs
qxl: Allow resolution which are not multiple of 8
qxl: Don't notify userspace when monitors config is unchanged
qxl: Remove qxl_bo_init() return value
qxl: Call qxl_gem_{init, fini}
qxl: Add missing '\n' to qxl_io_log() call
qxl: Remove unused prototype
qxl: Mark some internal functions as static
Revert "drm: virtio: reinstate drm_virtio_set_busid()"
drm/virtio: fix busid regression
drm: re-export drm_dev_set_unique
Linux 4.9-rc5
gp8psk: Fix DVB frontend attach
gp8psk: fix gp8psk_usb_in_op() logic
dvb-usb: move data_mutex to struct dvb_usb_device
iio: maxim_thermocouple: detect invalid storage size in read()
aoe: fix crash in page count manipulation
lightnvm: invalid offset calculation for lba_shift
Kbuild: enable -Wmaybe-uninitialized warnings by default
pcmcia: fix return value of soc_pcmcia_regulator_set
...
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Silences
./include/drm/drm_drv.h:295: warning: Incorrect use of kernel-doc format
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161125123427.15188-1-chris@chris-wilson.co.uk
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Put the callback docs into struct drm_driver, and the small overview
into a DOC comment.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114115825.22050-7-daniel.vetter@ffwll.ch
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Just cleans up what's there, still plenty missing.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114115825.22050-6-daniel.vetter@ffwll.ch
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I want to move dumb buffer documentation into the right vfuncs, and
for that I first need to be able to pull that into kerneldoc without
having to clean up all of drmP.h. Also, header-splitting is nice.
While at it shuffle all the function declarations for drm_drv.c into
the right spots, and drop the kerneldoc for drm_minor_acquire/release
since it's only used internally.
v2: Keep all existing copyright notices (Chris).
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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