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4 commits

Author SHA1 Message Date
Dave Airlie
32ecd24264 drm/udl: call begin/end cpu access at more appropriate time 
We need to call these before we transfer the damaged areas to the device
not before/after we setup the long lived vmaps.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 2012-08-17 10:10:07 +02:00
Dave Airlie
e8aa1d1ebc udl: support vmapping imported dma-bufs 
This allows udl to get a vmapping of an imported buffer for scanout.

Signed-off-by: Dave Airlie <airlied@redhat.com>
 2012-05-31 14:13:59 +01:00
Dave Airlie
96503f592f udl: add prime fd->handle support. 
udl can only be used as an output offload so doesn't need to support
handle->fd direction.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
 2012-05-23 10:46:05 +01:00
Dave Airlie
5320918b9a drm/udl: initial UDL driver (v4) 
This is an initial drm/kms driver for the displaylink devices.

Supports fb_defio,
supports KMS dumb interface
supports 24bpp via conversion to 16bpp, hw can do this better.
supports hot unplug using new drm core features.

On an unplug, it disables connector polling, unplugs connectors
from sysfs, unplugs fbdev layer (using Kay's API), drops all the
USB device URBs, and call the drm core to unplug the device.

This driver is based in large parts on udlfb.c so I've licensed
it under GPLv2.

Signed-off-by: Dave Airlie <airlied@redhat.com>
 2012-03-15 13:35:34 +00:00