[PATCH v2 2/4] drm: panel: Add support for Renesas R61307 based MIPI DSI panel
Neil Armstrong
neil.armstrong at linaro.org
Mon May 5 07:50:43 UTC 2025
On 03/05/2025 11:41, Svyatoslav Ryhel wrote:
> R61307 is liquid crystal driver for high-definition amorphous silicon
> (a-Si) panels and is ideal for tablets and smartphones.
>
> Supported compatibles are:
> - hit,tx13d100vm0eaa
> - koe,tx13d100vm0eaa
>
> Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
> ---
> drivers/gpu/drm/panel/Kconfig | 13 +
> drivers/gpu/drm/panel/Makefile | 1 +
> drivers/gpu/drm/panel/panel-renesas-r61307.c | 327 +++++++++++++++++++
> 3 files changed, 341 insertions(+)
> create mode 100644 drivers/gpu/drm/panel/panel-renesas-r61307.c
>
<snip>
> +static int renesas_r61307_probe(struct mipi_dsi_device *dsi)
> +{
> + struct device *dev = &dsi->dev;
> + struct renesas_r61307 *priv;
> + int ret;
> +
> + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> + if (!priv)
> + return -ENOMEM;
> +
> + priv->vcc_supply = devm_regulator_get(dev, "vcc");
> + if (IS_ERR(priv->vcc_supply))
> + return dev_err_probe(dev, PTR_ERR(priv->vcc_supply),
> + "Failed to get vcc-supply\n");
> +
> + priv->iovcc_supply = devm_regulator_get(dev, "iovcc");
> + if (IS_ERR(priv->iovcc_supply))
> + return dev_err_probe(dev, PTR_ERR(priv->iovcc_supply),
> + "Failed to get iovcc-supply\n");
> +
> + priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
> + GPIOD_OUT_HIGH);
> + if (IS_ERR(priv->reset_gpio))
> + return dev_err_probe(dev, PTR_ERR(priv->reset_gpio),
> + "Failed to get reset gpios\n");
> +
> + if (device_property_read_bool(dev, "renesas,inversion"))
> + priv->inversion = true;
> +
> + if (device_property_read_bool(dev, "renesas,contrast"))
> + priv->dig_cont_adj = true;
> +
> + priv->gamma = 0;
> + device_property_read_u32(dev, "renesas,gamma", &priv->gamma);
> +
> + priv->dsi = dsi;
> + mipi_dsi_set_drvdata(dsi, priv);
> +
> + dsi->lanes = 4;
> + dsi->format = MIPI_DSI_FMT_RGB888;
> + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
> + MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
> +
> + drm_panel_init(&priv->panel, dev, &renesas_r61307_panel_funcs,
> + DRM_MODE_CONNECTOR_DSI);
Please switch to devm_drm_panel_alloc()
> +
> + ret = drm_panel_of_backlight(&priv->panel);
> + if (ret)
> + return dev_err_probe(dev, ret, "Failed to get backlight\n");
> +
> + drm_panel_add(&priv->panel);
> +
<snip>
With that:
Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
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