linux-kernel - Re: [PATCHv1 3/9] soc: amlogic: meson-ee-pwrc: Add hdmi power domain Meson g12a SoCs

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Message-ID: <CAFBinCCxMvomKt9E0jT_XXpyL1_-qXH4=zVDMNdbDCnZCsnT=A@mail.gmail.com>
Date:   Mon, 3 May 2021 17:07:30 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Anand Moon <linux.amoon@...il.com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>
Subject: Re: [PATCHv1 3/9] soc: amlogic: meson-ee-pwrc: Add hdmi power domain
 Meson g12a SoCs

Hi Anand,

On Mon, May 3, 2021 at 4:58 PM Anand Moon <linux.amoon@...il.com> wrote:
>
> As per the S922X datasheet add hdmi power domain
> controller for Meson g12a and g12b SoCs.
>
> Cc: Neil Armstrong <narmstrong@...libre.com>
> Signed-off-by: Anand Moon <linux.amoon@...il.com>
> ---
>  drivers/soc/amlogic/meson-ee-pwrc.c          | 5 +++++
>  include/dt-bindings/power/meson-g12a-power.h | 1 +
>  2 files changed, 6 insertions(+)
>
> diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c
> index 2e07ddf2d6a6..ec402c4ab931 100644
> --- a/drivers/soc/amlogic/meson-ee-pwrc.c
> +++ b/drivers/soc/amlogic/meson-ee-pwrc.c
> @@ -154,6 +154,10 @@ static struct meson_ee_pwrc_mem_domain gxbb_pwrc_mem_vpu[] = {
>         VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
>  };
>
> +static struct meson_ee_pwrc_mem_domain meson_pwrc_mem_hdmi[] = {
> +       { HHI_MEM_PD_REG0, GENMASK(15, 8) },
> +};
> +
the VPU power domain already includes:
  VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
whereas VPU_HHI_MEMPD is bits[15:8]

Having two power domains which are managing the same registers sounds
like it'll be causing some trouble
So for now this is (as I am not even sure what the goal here is):
NACKed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>


Best regards,
Martin