On Wed, Aug 17, 2011 at 5:03 AM, Thomas Reim <reimth@xxxxxxxxxxxxxx> 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@xxxxxxxxx> > Acked-by: Chris Routh <routhy@xxxxxxxxx> > Cc: <stable@xxxxxxxxxx> > --- > 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 > > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
