2022-11-15 13:52:06

by Konrad Dybcio

Subject: Re: [PATCH v2 06/12] drm/msm: Add support for SM8350

On 15/11/2022 14:30, Robert Foss wrote:
> Add compatibles string, "qcom,sm8350-mdss", for the multimedia display
> subsystem unit used on Qualcomm SM8350 platform.
>
> Signed-off-by: Robert Foss <[email protected]>
> ---
> drivers/gpu/drm/msm/msm_mdss.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
> index a2264fb517a1..39746b972cdd 100644
> --- a/drivers/gpu/drm/msm/msm_mdss.c
> +++ b/drivers/gpu/drm/msm/msm_mdss.c
> @@ -293,6 +293,9 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
> /* UBWC_2_0 */
> msm_mdss_setup_ubwc_dec_20(msm_mdss, 0x1e);
> break;
> + case DPU_HW_VER_700:
> + msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_4_0, 6, 1, 1, 1);
> + break;
Shouldn't the second-last argument be 2 or 3 depending on DDR type?

Konrad
> case DPU_HW_VER_720:
> msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_3_0, 6, 1, 1, 1);
> break;
> @@ -530,6 +533,7 @@ static const struct of_device_id mdss_dt_match[] = {
> { .compatible = "qcom,sc8180x-mdss" },
> { .compatible = "qcom,sm8150-mdss" },
> { .compatible = "qcom,sm8250-mdss" },
> + { .compatible = "qcom,sm8350-mdss" },
> { .compatible = "qcom,sm8450-mdss" },
> {}
> };

2022-11-29 11:56:40

by Robert Foss

Subject: Re: [PATCH v2 06/12] drm/msm: Add support for SM8350

On Tue, 15 Nov 2022 at 14:42, Konrad Dybcio <[email protected]> wrote:
>
>
>
> On 15/11/2022 14:30, Robert Foss wrote:
> > Add compatibles string, "qcom,sm8350-mdss", for the multimedia display
> > subsystem unit used on Qualcomm SM8350 platform.
> >
> > Signed-off-by: Robert Foss <[email protected]>
> > ---
> > drivers/gpu/drm/msm/msm_mdss.c | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
> > index a2264fb517a1..39746b972cdd 100644
> > --- a/drivers/gpu/drm/msm/msm_mdss.c
> > +++ b/drivers/gpu/drm/msm/msm_mdss.c
> > @@ -293,6 +293,9 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
> > /* UBWC_2_0 */
> > msm_mdss_setup_ubwc_dec_20(msm_mdss, 0x1e);
> > break;
> > + case DPU_HW_VER_700:
> > + msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_4_0, 6, 1, 1, 1);
> > + break;
> Shouldn't the second-last argument be 2 or 3 depending on DDR type?

Dmitry, can I get your input on this? I'm a little bit unsure of which
dts properties some of these
values are derived from.

>
> Konrad
> > case DPU_HW_VER_720:
> > msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_3_0, 6, 1, 1, 1);
> > break;
> > @@ -530,6 +533,7 @@ static const struct of_device_id mdss_dt_match[] = {
> > { .compatible = "qcom,sc8180x-mdss" },
> > { .compatible = "qcom,sm8150-mdss" },
> > { .compatible = "qcom,sm8250-mdss" },
> > + { .compatible = "qcom,sm8350-mdss" },
> > { .compatible = "qcom,sm8450-mdss" },
> > {}
> > };