On Sun, Mar 18, 2012 at 6:10 AM, Dave Airlie <airlied@xxxxxxxxx> wrote: > From: Dave Airlie <airlied@xxxxxxxxxx> > > DisplayPort spec v1.1a, Table 2-52. > > Same commit to Intel by ajax in 9962c9252e46eda7058067cbe73bdf1ed74b0d37 > > Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > drivers/gpu/drm/radeon/atombios_dp.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c > index 552b436..191218a 100644 > --- a/drivers/gpu/drm/radeon/atombios_dp.c > +++ b/drivers/gpu/drm/radeon/atombios_dp.c > @@ -746,7 +746,8 @@ static int radeon_dp_link_train_init(struct radeon_dp_link_train_info *dp_info) > > /* set the lane count on the sink */ > tmp = dp_info->dp_lane_count; > - if (dp_info->dpcd[0] >= 0x11) > + if (dp_info->dpcd[DP_DPCD_REV] >= 0x11 && > + dp_info->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP) > tmp |= DP_LANE_COUNT_ENHANCED_FRAME_EN; > radeon_write_dpcd_reg(dp_info->radeon_connector, DP_LANE_COUNT_SET, tmp); > > -- > 1.7.7.6 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel