On Wed, Jun 24, 2015 at 10:17:34AM +0530, Jindal, Sonika wrote:
>
>
> On 6/23/2015 4:42 PM, David Weinehall wrote:
> >On Thu, Jun 18, 2015 at 05:05:21PM +0200, Daniel Vetter wrote:
> >>On Thu, Jun 18, 2015 at 12:50:33PM +0300, David Weinehall wrote:
> >>>@@ -3520,6 +3545,9 @@ intel_dp_set_signal_levels(struct intel_dp *intel_dp, uint32_t *DP)
> >>> } else if (HAS_DDI(dev)) {
> >>> signal_levels = hsw_signal_levels(train_set);
> >>> mask = DDI_BUF_EMP_MASK;
> >>>+
> >>>+ if (IS_SKYLAKE(dev))
> >>>+ skl_set_iboost(intel_dp);
> >>
> >>Imo this should be put into hsw_signal_levels and then hsw_signal_levels
> >>be moved into intel_ddi.c - that way everything related to low-level ddi
> >>DP signal level code in intel_ddi.c.
> >
> >I'm guessing the BXT code should be moved there too
> >and preferably folded in under HAS_DDI(dev)?
> No, it is not required. The Vswing programming for SKL and BXT is completely
> different. So, better keep it separate.
It's not a matter of whether it's required, but whether it makes sense
from a consistency perspective. From a logical point of view it makes
sense, and keeping them in the same place also makes it possible to
reuse quite a lot of code. Hence my v2 does so.
Kind regards, David
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