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SubjectRe: [PATCH v1 2/3] drm/msm/dp: decoupling dp->id out of dp controller_id at scxxxx_dp_cfg table
Quoting Kuogee Hsieh (2022-06-24 18:02:50)
>
> On 6/24/2022 5:46 PM, Dmitry Baryshkov wrote:
> > On Sat, 25 Jun 2022 at 03:28, Dmitry Baryshkov
> > <dmitry.baryshkov@linaro.org> wrote:
> >> On Sat, 25 Jun 2022 at 03:23, Kuogee Hsieh <quic_khsieh@quicinc.com> wrote:
> >>> On 6/24/2022 5:21 PM, Dmitry Baryshkov wrote:
> >>>> On Sat, 25 Jun 2022 at 03:19, Kuogee Hsieh <quic_khsieh@quicinc.com> wrote:
> >>>>> How can I have eDP call dpu_encoder_init() before DP calls with
> >>>>> _dpu_kms_initialize_displayport()?
> >>>> Why do you want to do it? They are two different encoders.
> >>> eDP is primary display which in normal case should be bring up first if
> >>> DP is also presented.
> >> I do not like the concept of primary display. It is the user, who must
> >> decide which display is primary to him. I have seen people using just
> >> external monitors and ignoring built-in eDP completely.from
>
> >> Also, why does the bring up order matters here? What do you gain by
> >> bringing up eDP before the DP?
> > I should probably rephrase my question to be more clear. How does
> > changing the order of DP vs eDP bringup help you 'to fix screen
> > corruption'.
>
> it did fix the primary display correction issue if edp go first and i do
> not know the root cause yet.
>
> We are still investigating it.
>
> However I do think currently msm_dp_config sc7280_dp_cfg has issues need
> be addressed.
>

What issues exist with sc7280_dp_cfg? It looks correct to me.

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