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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-03-04 12:47:46 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 10:49:07 -0400 |
| commit | 75efdee11b5da3acbbeb43a9b93a9c4fe6d5bec8 (patch) | |
| tree | dfdb40d6b02d6a613a5d20ae8a343ac0d024dfcc /drivers/virtio | |
| parent | f93bdefe6269067afc85688d45c646cde350e0d8 (diff) | |
drm/radeon: implement simple doorbell page allocator
The doorbell aperture is a PCI BAR whose pages can be
mapped to compute resources for things like wptrs
for userspace queues.
This patch maps the BAR and sets up a simple allocator
to allocate pages from the BAR.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/virtio')
0 files changed, 0 insertions, 0 deletions