On Fri, 2019-06-07 at 17:13 -0700, José Roberto de Souza wrote:
> On Tue, 2019-06-04 at 17:58 +0300, Imre Deak wrote:
> > Lane reversal happens only in the FIA module for TBT-alt/DP-alt
> > mode,
> > so
> > WARN if lane reversal is attempted at a different level. See the
> > BSpec DDI_BUF_CTL register description.
>
> Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
Hi Imre
Going to review the renaming after wednesday if no one does, please go
ahead and push the ones reviewed.
>
> > Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
> > Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
> > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_ddi.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c
> > b/drivers/gpu/drm/i915/intel_ddi.c
> > index 9c198f1a3a91..5f535f17d7b3 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -3591,6 +3591,8 @@ static void
> > intel_ddi_set_fia_lane_count(struct
> > intel_encoder *encoder,
> > u32 val = I915_READ(PORT_TX_DFLEXDPMLE1);
> > bool lane_reversal = dig_port->saved_port_bits &
> > DDI_BUF_PORT_REVERSAL;
> >
> > + WARN_ON(lane_reversal && dig_port->tc_mode != TC_PORT_LEGACY);
> > +
> > val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port);
> > switch (pipe_config->lane_count) {
> > case 1:
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