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Date:   Wed, 17 May 2023 16:34:54 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Adam Ford <aford173@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, aford@...conembedded.com,
        Frieder Schrempf <frieder.schrempf@...tron.de>,
        Chen-Yu Tsai <wenst@...omium.org>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Inki Dae <inki.dae@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Marek Vasut <marex@...x.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6 4/6] drm: bridge: samsung-dsim: Select GENERIC_PHY_MIPI_DPHY

Hi Adam,

On Tue, May 16, 2023 at 5:27 AM Adam Ford <aford173@...il.com> wrote:
>
> In order to support variable DPHY timings, it's necessary
> to enable GENERIC_PHY_MIPI_DPHY so phy_mipi_dphy_get_default_config
> can be used to determine the nominal values for a given resolution
> and refresh rate.
>
> Signed-off-by: Adam Ford <aford173@...il.com>
> Tested-by: Frieder Schrempf <frieder.schrempf@...tron.de>
> Reviewed-by: Frieder Schrempf <frieder.schrempf@...tron.de>
> Tested-by: Chen-Yu Tsai <wenst@...omium.org>
> ---
>  drivers/gpu/drm/bridge/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
> index f076a09afac0..82c68b042444 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -227,6 +227,7 @@ config DRM_SAMSUNG_DSIM
>         select DRM_KMS_HELPER
>         select DRM_MIPI_DSI
>         select DRM_PANEL_BRIDGE
> +       select GENERIC_PHY_MIPI_DPHY

Is it really required? phy is optional as it is not required for
imx8mm/n/p as of now. May be we can add it while supporting it.

Thanks,
Jagan.

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