On Thu, May 17, 2018 at 08:48:49PM +0300, Jani Nikula wrote:
> On Thu, 17 May 2018, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> > To make the intent more clear, let's rename the signal level funcs for
> > the SNB/IVB CPU eDP.
> >
> > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_dp.c | 12 ++++++------
> > 1 file changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> > index 263e4b1d1db9..cd4c60bfc4c2 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -3488,9 +3488,9 @@ gen4_signal_levels(uint8_t train_set)
> > return signal_levels;
> > }
> >
> > -/* Gen6's DP voltage swing and pre-emphasis control */
> > +/* SNB CPU eDP voltage swing and pre-emphasis control */
> > static uint32_t
> > -gen6_edp_signal_levels(uint8_t train_set)
> > +snb_cpu_edp_signal_levels(uint8_t train_set)
> > {
> > int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
> > DP_TRAIN_PRE_EMPHASIS_MASK);
> > @@ -3516,9 +3516,9 @@ gen6_edp_signal_levels(uint8_t train_set)
> > }
> > }
> >
> > -/* Gen7's DP voltage swing and pre-emphasis control */
> > +/* IVB CPU eDP voltage swing and pre-emphasis control */
> > static uint32_t
> > -gen7_edp_signal_levels(uint8_t train_set)
> > +ivb_cpu_edp_signal_levels(uint8_t train_set)
> > {
> > int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
> > DP_TRAIN_PRE_EMPHASIS_MASK);
> > @@ -3566,10 +3566,10 @@ intel_dp_set_signal_levels(struct intel_dp *intel_dp)
> > } else if (IS_VALLEYVIEW(dev_priv)) {
> > signal_levels = vlv_signal_levels(intel_dp);
> > } else if (IS_IVYBRIDGE(dev_priv) && port == PORT_A) {
> > - signal_levels = gen7_edp_signal_levels(train_set);
> > + signal_levels = ivb_cpu_edp_signal_levels(train_set);
> > mask = EDP_LINK_TRAIN_VOL_EMP_MASK_IVB;
> > } else if (IS_GEN6(dev_priv) && port == PORT_A) {
>
> Should we use IS_SANDYBRIDGE() - which doesn't exist - here then...
I have considered adding IS_ILK and IS_SNB to make some of
the display code more consistent looking. But I never bothered
to actually write the patch.
>
> Anyway,
>
> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
>
> > - signal_levels = gen6_edp_signal_levels(train_set);
> > + signal_levels = snb_cpu_edp_signal_levels(train_set);
> > mask = EDP_LINK_TRAIN_VOL_EMP_MASK_SNB;
> > } else {
> > signal_levels = gen4_signal_levels(train_set);
>
> --
> Jani Nikula, Intel Open Source Graphics Center
--
Ville Syrjälä
Intel
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