On Wed, Aug 17, 2011 at 5:03 AM, Thomas Reim <reimth at googlemail.com> wrote: > ? Toshiba Satellite L300D with ATI Mobility Radeon X1100 sends data > ? to i2c bus for a HDMI connector that is not implemented/existent > ? on the notebook's board.
If the laptop doesn't actually have the port, it would be better to just add a connector table quirk to just remove it. However, the HDMI port may be on a docking station. Alex > > ? Fix by applying extented DDC probing for this connector. > > ? Requires [PATCH] drm/radeon: Extended DDC Probing for Connectors > ? with Improperly Wired DDC Lines > > ? Tested for kernel 2.6.38 on Toshiba Satellite L300D notebook > > ? BugLink: http://bugs.launchpad.net/bugs/826677 > > Signed-off-by: Thomas Reim <reimth at gmail.com> > Acked-by: Chris Routh <routhy at gmail.com> > Cc: <stable at kernel.org> > --- > ?drivers/gpu/drm/radeon/radeon_connectors.c | ? 10 ++++++++++ > ?1 files changed, 10 insertions(+), 0 deletions(-) > > diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c > b/drivers/gpu/drm/radeon/radeon_connectors.c > index 6d6b5f1..ef5a6f0 100644 > --- a/drivers/gpu/drm/radeon/radeon_connectors.c > +++ b/drivers/gpu/drm/radeon/radeon_connectors.c > @@ -464,6 +464,16 @@ static bool radeon_connector_needs_extended_probe(struct > radeon_device *dev, > ? ? ? ? ? ? ? ? ? ?(supported_device == ATOM_DEVICE_DFP2_SUPPORT)) > ? ? ? ? ? ? ? ? ? ? ? ?return true; > ? ? ? ?} > + ? ? ? /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100 > + ? ? ? ?* (RS690M) sends data to i2c bus for a HDMI connector that > + ? ? ? ?* is not implemented */ > + ? ? ? if ((dev->pdev->device == 0x791f) && > + ? ? ? ? ? (dev->pdev->subsystem_vendor == 0x1179) && > + ? ? ? ? ? (dev->pdev->subsystem_device == 0xff68)) { > + ? ? ? ? ? ? ? if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) && > + ? ? ? ? ? ? ? ? ? (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) > + ? ? ? ? ? ? ? ? ? ? ? return true; > + ? ? ? } > > ? ? ? ?/* Default: no EDID header probe required for DDC probing */ > ? ? ? ?return false; > -- > 1.7.1 > >
