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| author | Ilija Hadzic <ihadzic@research.bell-labs.com> | 2011-03-18 21:58:04 (GMT) |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-03-20 23:25:54 (GMT) |
| commit | 19b01b5fbf0b78930b3b06ee6080539c17b5d1fd (patch) | |
| tree | b2cfeb6aeae49bc4061ce8923a63b6b8bd4d6e1d /virt | |
| parent | b74ad5ae14def5e81ad0be3dddb96e485b861b1b (diff) | |
| download | linux-fsl-qoriq-19b01b5fbf0b78930b3b06ee6080539c17b5d1fd.tar.xz | |
drm/kernel: vblank wait on crtc > 1
Below is a patch against drm-next branch of 2.6.38-rc8+ kernel that adds
the capability to wait on vblank events for CRTCs that are greater than 1
and thus cannot be represented with primary/secondary flags in the legacy
interface. It was discussed on the dri-devel list in these two threads:
http://lists.freedesktop.org/archives/dri-devel/2011-March/009009.html
http://lists.freedesktop.org/archives/dri-devel/2011-March/009025.html
This patch extends the interface to drm_wait_vblank ioctl so that crtc>1
can be represented. It also adds a new capability to drm_getcap ioctl so
that the user space can check whether the new interface to drm_wait_vblank
is supported (and fall back to the legacy interface if not)
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Mario Kleiner <mario.kleiner at tuebingen.mpg.de>
Acked-by: Mario Kleiner <mario.kleiner at tuebingen.mpg.de>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Tested-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions