diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-08-05 21:21:18 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-08-10 10:46:50 +1000 |
| commit | 26b5bc986423cf3887e09188cb662ed651c5374d (patch) | |
| tree | 568934e975f31029460b8e90f22580bdb84b19ec /drivers/gpu/drm/radeon/radeon_connectors.c | |
| parent | 179e8078a768be8c18539bebe44dd94447142ccf (diff) | |
drm/radeon/kms: add support for router objects
router objects are found on systems that use a mux to control
ddc line to connector routing or to control the actual clock and data
routing from the chip to the connectors. This patch implements ddc line
routing.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 185a6d962b72..47c4b276d30c 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1040,7 +1040,8 @@ radeon_add_atom_connector(struct drm_device *dev, bool linkb, uint32_t igp_lane_info, uint16_t connector_object_id, - struct radeon_hpd *hpd) + struct radeon_hpd *hpd, + struct radeon_router *router) { struct radeon_device *rdev = dev->dev_private; struct drm_connector *connector; @@ -1065,6 +1066,11 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->shared_ddc = true; shared_ddc = true; } + if (radeon_connector->router_bus && router->valid && + (radeon_connector->router.router_id == router->router_id)) { + radeon_connector->shared_ddc = false; + shared_ddc = false; + } } } @@ -1079,6 +1085,12 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->shared_ddc = shared_ddc; radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; + radeon_connector->router = *router; + if (router->valid) { + radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); + if (!radeon_connector->router_bus) + goto failed; + } switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); |