Re: [PATCH v2 2/5] phy: qcom: edp: Introduce aux_cfg array for version specific aux settings

From: Dmitry Baryshkov
Date: Sat Sep 14 2024 - 08:05:10 EST


On Sat, 14 Sept 2024 at 14:29, Konrad Dybcio <konradybcio@xxxxxxxxxx> wrote:
>
> On 13.09.2024 12:37 PM, Soutrik Mukhopadhyay wrote:
> > In order to support different HW versions, introduce aux_cfg array
> > to move v4 specific aux configuration settings.
> >
> > Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@xxxxxxxxxxx>
> > ---
> > v2: Fixed review comments from Bjorn and Dmitry
> > - Made aux_cfg array as const.
> >
> > ---
> > drivers/phy/qualcomm/phy-qcom-edp.c | 37 ++++++++++++++++++-----------
> > 1 file changed, 23 insertions(+), 14 deletions(-)
> >
> > diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
> > index da2b32fb5b45..bcd5aced9e06 100644
> > --- a/drivers/phy/qualcomm/phy-qcom-edp.c
> > +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
> > @@ -90,6 +90,7 @@ struct phy_ver_ops {
> >
> > struct qcom_edp_phy_cfg {
> > bool is_edp;
> > + const u8 *aux_cfg;
> > const struct qcom_edp_swing_pre_emph_cfg *swing_pre_emph_cfg;
> > const struct phy_ver_ops *ver_ops;
> > };
> > @@ -186,11 +187,15 @@ static const struct qcom_edp_swing_pre_emph_cfg edp_phy_swing_pre_emph_cfg = {
> > .pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3,
> > };
> >
> > +static const u8 edp_phy_aux_cfg_v4[10] = {
> > + 0x00, 0x13, 0x24, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
> > +};
>
> How about we only abstract the values that differ? It would seem like more
> platforms reuse about half of these magic bytes

I think it's easier to review and compare the whole sequence rather
than numbers here and then numbers there.


--
With best wishes
Dmitry