On Fri, 2018-12-07 at 16:07 +0200, Imre Deak wrote:
> Hi DK,
>
> On Thu, Dec 06, 2018 at 03:43:55PM -0800, Dhinakaran Pandiyan wrote:
> > DSI implements it's own pre_enable hook, encoder output type is
> > never
> > DSI.
> >
> > Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
> > Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> > Cc: James Ausmus <james.ausmus@xxxxxxxxx>
> > Fixes: fb5c8e9d4350 ("drm/i915/icl: Implement voltage swing
> > programming sequence for Combo PHY DDI")
> > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_ddi.c | 9 ++-------
> > 1 file changed, 2 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c
> > b/drivers/gpu/drm/i915/intel_ddi.c
> > index f3e1d6a0b7dd..5792632fa6a3 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -2489,13 +2489,8 @@ static void
> > icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv,
> > /* Set DisableTap2 and DisableTap3 if MIPI DSI
> > * Clear DisableTap2 and DisableTap3 for all other Ports
> > */
> > - if (type == INTEL_OUTPUT_DSI) {
> > - val |= TAP2_DISABLE;
> > - val |= TAP3_DISABLE;
> > - } else {
> > - val &= ~TAP2_DISABLE;
> > - val &= ~TAP3_DISABLE;
> > - }
> > + val &= ~TAP2_DISABLE;
> > + val &= ~TAP3_DISABLE;
>
> note that Clint's patch at
> https://patchwork.freedesktop.org/patch/265848/
> solves this as well. We could minimize the churn by applying only
> that.
Absolutely. Thanks for pointing it out.
-DK
>
> > I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val);
> >
> > /* Program PORT_TX_DW2 */
> > --
> > 2.17.1
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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