Re: [PATCH v1 4/5] clk: qcom: dispcc-sm8250: Add missing EDP clocks for sm8350

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On Thu, 27 Oct 2022 at 14:42, Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On 27/10/2022 15:34, Robert Foss wrote:
> > SM8350 supports embedded displayport, but the clocks for this
> > were previously not enabled.
>
> I'd say 'not accounted for' instead. Bjorn has added eDP clocks, but
> they were following the 8150 (no div_clk_src) and the offsets were not
> updated.

Ack.

>
> >
> > Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
> > ---
> >   drivers/clk/qcom/dispcc-sm8250.c | 22 +++++++++++++++++++++-
> >   1 file changed, 21 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c
> > index a7606580cf22..d2aaa44ed3d4 100644
> > --- a/drivers/clk/qcom/dispcc-sm8250.c
> > +++ b/drivers/clk/qcom/dispcc-sm8250.c
> > @@ -462,6 +462,20 @@ static struct clk_branch disp_cc_mdss_edp_link_clk = {
> >       },
> >   };
> >
> > +static struct clk_regmap_div disp_cc_mdss_edp_link_div_clk_src = {
> > +     .reg = 0x2288,
> > +     .shift = 0,
> > +     .width = 2,
> > +     .clkr.hw.init = &(struct clk_init_data) {
> > +             .name = "disp_cc_mdss_edp_link_div_clk_src",
> > +             .parent_hws = (const struct clk_hw*[]){
> > +                     &disp_cc_mdss_edp_link_clk_src.clkr.hw,
> > +             },
> > +             .num_parents = 1,
> > +             .ops = &clk_regmap_div_ro_ops,
> > +     },
> > +};
> > +
> >   static struct clk_branch disp_cc_mdss_edp_link_intf_clk = {
> >       .halt_reg = 0x2074,
> >       .halt_check = BRANCH_HALT,
> > @@ -471,7 +485,7 @@ static struct clk_branch disp_cc_mdss_edp_link_intf_clk = {
> >               .hw.init = &(struct clk_init_data){
> >                       .name = "disp_cc_mdss_edp_link_intf_clk",
> >                       .parent_hws = (const struct clk_hw*[]){
> > -                             &disp_cc_mdss_edp_link_clk_src.clkr.hw,
> > +                             &disp_cc_mdss_edp_link_div_clk_src.clkr.hw,
> >                       },
> >                       .num_parents = 1,
> >                       .flags = CLK_GET_RATE_NOCACHE,
> > @@ -1175,6 +1189,7 @@ static struct clk_regmap *disp_cc_sm8250_clocks[] = {
> >       [DISP_CC_MDSS_EDP_GTC_CLK_SRC] = &disp_cc_mdss_edp_gtc_clk_src.clkr,
> >       [DISP_CC_MDSS_EDP_LINK_CLK] = &disp_cc_mdss_edp_link_clk.clkr,
> >       [DISP_CC_MDSS_EDP_LINK_CLK_SRC] = &disp_cc_mdss_edp_link_clk_src.clkr,
> > +     [DISP_CC_MDSS_EDP_LINK_DIV_CLK_SRC] = &disp_cc_mdss_edp_link_div_clk_src.clkr,
> >       [DISP_CC_MDSS_EDP_LINK_INTF_CLK] = &disp_cc_mdss_edp_link_intf_clk.clkr,
> >       [DISP_CC_MDSS_EDP_PIXEL_CLK] = &disp_cc_mdss_edp_pixel_clk.clkr,
> >       [DISP_CC_MDSS_EDP_PIXEL_CLK_SRC] = &disp_cc_mdss_edp_pixel_clk_src.clkr,
> > @@ -1285,7 +1300,11 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev)
> >                       &disp_cc_mdss_dp_pixel1_clk_src,
> >                       &disp_cc_mdss_dp_pixel2_clk_src,
> >                       &disp_cc_mdss_dp_pixel_clk_src,
> > +                     &disp_cc_mdss_edp_aux_clk_src,
> > +                     &disp_cc_mdss_edp_link_clk_src,
> > +                     &disp_cc_mdss_edp_pixel_clk_src,
> >                       &disp_cc_mdss_esc0_clk_src,
> > +                     &disp_cc_mdss_esc1_clk_src,
> >                       &disp_cc_mdss_mdp_clk_src,
> >                       &disp_cc_mdss_pclk0_clk_src,
> >                       &disp_cc_mdss_pclk1_clk_src,
> > @@ -1297,6 +1316,7 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev)
> >                       &disp_cc_mdss_byte1_div_clk_src,
> >                       &disp_cc_mdss_dp_link1_div_clk_src,
> >                       &disp_cc_mdss_dp_link_div_clk_src,
> > +                     &disp_cc_mdss_edp_link_div_clk_src,
> >               };
> >               unsigned int i;
> >               static bool offset_applied;
>
> --
> With best wishes
> Dmitry
>



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