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Message-ID: <166869771876.50677.1905794243575000038@Monstersaurus>
Date:   Thu, 17 Nov 2022 15:08:38 +0000
From:   Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Cc:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <robert.foss@...aro.org>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: Re: [PATCH v1 6/8] drm: rcar-du: Add r8a779g0 support

Quoting Tomi Valkeinen (2022-11-17 12:25:45)
> From: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
> 
> Add support for DU on r8a779g0, which is identical to DU on r8a779a0.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
> ---
>  drivers/gpu/drm/rcar-du/rcar_du_drv.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> index d003e8d9e7a2..b1761d4ec4e5 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -524,6 +524,27 @@ static const struct rcar_du_device_info rcar_du_r8a779a0_info = {
>         .dsi_clk_mask =  BIT(1) | BIT(0),
>  };
>  
> +static const struct rcar_du_device_info rcar_du_r8a779g0_info = {
> +       .gen = 3,

Given that this is the V4H ... I wonder if this should be bumped
already. I guess that has knock on effects through the driver though...

Aside from that, Which may need more work to handle correctly:

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>


> +       .features = RCAR_DU_FEATURE_CRTC_IRQ
> +                 | RCAR_DU_FEATURE_VSP1_SOURCE
> +                 | RCAR_DU_FEATURE_NO_BLENDING,
> +       .channels_mask = BIT(1) | BIT(0),
> +       .routes = {
> +               /* R8A779G0 has two MIPI DSI outputs. */
> +               [RCAR_DU_OUTPUT_DSI0] = {
> +                       .possible_crtcs = BIT(0),
> +                       .port = 0,
> +               },
> +               [RCAR_DU_OUTPUT_DSI1] = {
> +                       .possible_crtcs = BIT(1),
> +                       .port = 1,
> +               },
> +       },
> +       .num_rpf = 5,
> +       .dsi_clk_mask =  BIT(1) | BIT(0),
> +};
> +
>  static const struct of_device_id rcar_du_of_table[] = {
>         { .compatible = "renesas,du-r8a7742", .data = &rcar_du_r8a7790_info },
>         { .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info },
> @@ -549,6 +570,7 @@ static const struct of_device_id rcar_du_of_table[] = {
>         { .compatible = "renesas,du-r8a77990", .data = &rcar_du_r8a7799x_info },
>         { .compatible = "renesas,du-r8a77995", .data = &rcar_du_r8a7799x_info },
>         { .compatible = "renesas,du-r8a779a0", .data = &rcar_du_r8a779a0_info },
> +       { .compatible = "renesas,du-r8a779g0", .data = &rcar_du_r8a779g0_info },
>         { }
>  };
>  
> -- 
> 2.34.1
>

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