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From: "Guido Günther" <guido.gunther@puri.sm>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: dri-devel@lists.freedesktop.org,
	Thierry Reding <thierry.reding@gmail.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Abhinav Kumar <abhinavk@codeaurora.org>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Benjamin Gaignard <benjamin.gaignard@linaro.org>,
	Boris Brezillon <boris.brezillon@collabora.com>,
	Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
	Jagan Teki <jagan@amarulasolutions.com>,
	Jitao Shi <jitao.shi@mediatek.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-renesas-soc@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Neil Armstrong <narmstrong@baylibre.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Purism Kernel Team <kernel@puri.sm>, Sean Paul <sean@poorly.run>,
	Stefan Agner <stefan@agner.ch>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>
Subject: Re: [PATCH v1 18/26] drm/panel: rocktech-jh057n00900: use drm_panel backlight support
Date: Wed, 4 Dec 2019 13:04:16 +0100
Message-ID: <20191204120416.GA18094@bogon.m.sigxcpu.org> (raw)
In-Reply-To: <20191202193230.21310-19-sam@ravnborg.org>

Hi,
On Mon, Dec 02, 2019 at 08:32:22PM +0100, Sam Ravnborg wrote:
> Use the backlight support in drm_panel to simplify the driver.
> While touching the include files sort them
> and divide them up in blocks.
> 
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: "Guido Günther" <agx@sigxcpu.org>
> Cc: Purism Kernel Team <kernel@puri.sm>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Sam Ravnborg <sam@ravnborg.org>
> ---
>  .../drm/panel/panel-rocktech-jh057n00900.c    | 24 +++++++++----------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c b/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
> index 3a4f1c0fce86..38ff742bc120 100644
> --- a/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
> +++ b/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
> @@ -5,20 +5,22 @@
>   * Copyright (C) Purism SPC 2019
>   */
>  
> -#include <drm/drm_mipi_dsi.h>
> -#include <drm/drm_modes.h>
> -#include <drm/drm_panel.h>
> -#include <drm/drm_print.h>
> -#include <linux/backlight.h>
>  #include <linux/debugfs.h>
>  #include <linux/delay.h>
>  #include <linux/gpio/consumer.h>
>  #include <linux/media-bus-format.h>
> +#include <linux/mod_devicetable.h>
>  #include <linux/module.h>
>  #include <linux/regulator/consumer.h>
> +
>  #include <video/display_timing.h>
>  #include <video/mipi_display.h>
>  
> +#include <drm/drm_mipi_dsi.h>
> +#include <drm/drm_modes.h>
> +#include <drm/drm_panel.h>
> +#include <drm/drm_print.h>
> +
>  #define DRV_NAME "panel-rocktech-jh057n00900"
>  
>  /* Manufacturer specific Commands send via DSI */
> @@ -47,7 +49,6 @@ struct jh057n {
>  	struct device *dev;
>  	struct drm_panel panel;
>  	struct gpio_desc *reset_gpio;
> -	struct backlight_device *backlight;
>  	struct regulator *vcc;
>  	struct regulator *iovcc;
>  	bool prepared;
> @@ -152,7 +153,7 @@ static int jh057n_enable(struct drm_panel *panel)
>  		return ret;
>  	}
>  
> -	return backlight_enable(ctx->backlight);
> +	return 0;
>  }
>  
>  static int jh057n_disable(struct drm_panel *panel)
> @@ -160,7 +161,6 @@ static int jh057n_disable(struct drm_panel *panel)
>  	struct jh057n *ctx = panel_to_jh057n(panel);
>  	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
>  
> -	backlight_disable(ctx->backlight);
>  	return mipi_dsi_dcs_set_display_off(dsi);
>  }
>  
> @@ -321,10 +321,6 @@ static int jh057n_probe(struct mipi_dsi_device *dsi)
>  	dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
>  		MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
>  
> -	ctx->backlight = devm_of_find_backlight(dev);
> -	if (IS_ERR(ctx->backlight))
> -		return PTR_ERR(ctx->backlight);
> -
>  	ctx->vcc = devm_regulator_get(dev, "vcc");
>  	if (IS_ERR(ctx->vcc)) {
>  		ret = PTR_ERR(ctx->vcc);
> @@ -347,6 +343,10 @@ static int jh057n_probe(struct mipi_dsi_device *dsi)
>  	drm_panel_init(&ctx->panel, dev, &jh057n_drm_funcs,
>  		       DRM_MODE_CONNECTOR_DSI);
>  
> +	ret = drm_panel_of_backlight(&ctx->panel);
> +	if (ret)
> +		return ret;
> +
>  	drm_panel_add(&ctx->panel);
>  
>  	ret = mipi_dsi_attach(dsi);

Reviewed-by: Guido Günther <agx@sigxcpu.org> 

> -- 
> 2.20.1
> 

  reply index

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-02 19:32 [PATCH v1 0/26] drm/panel infrastructure + backlight update Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 01/26] drm/drm_panel: no error when no callback Sam Ravnborg
2019-12-03  6:24   ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 02/26] drm/panel: add backlight support Sam Ravnborg
2019-12-03  6:32   ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 03/26] drm/panel: simple: use drm_panel " Sam Ravnborg
2019-12-03  6:39   ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 04/26] drm: get drm_bridge_panel connector via helper Sam Ravnborg
2019-12-03  6:44   ` Laurent Pinchart
2019-12-03 13:22   ` Linus Walleij
2019-12-02 19:32 ` [PATCH v1 05/26] drm/panel: add drm_connector argument to get_modes() Sam Ravnborg
2019-12-03  6:50   ` Laurent Pinchart
2019-12-03 13:25   ` Linus Walleij
2019-12-04 12:08   ` Guido Günther
2019-12-04 13:11     ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 07/26] drm/panel: remove get_timings Sam Ravnborg
2019-12-03  7:02   ` Laurent Pinchart
2019-12-03  7:46   ` Maxime Ripard
2019-12-03  8:18     ` Laurent Pinchart
2019-12-03  8:39     ` Sam Ravnborg
2019-12-04  8:05       ` Maxime Ripard
2019-12-03 15:20     ` Linus Walleij
2019-12-04  8:16       ` Maxime Ripard
2019-12-04  8:23         ` Laurent Pinchart
2019-12-10 21:33         ` Linus Walleij
2019-12-02 19:32 ` [PATCH v1 08/26] drm/panel: drop drm_device from drm_panel Sam Ravnborg
2019-12-03  7:15   ` Laurent Pinchart
2019-12-03 13:27   ` Linus Walleij
2019-12-02 19:32 ` [PATCH v1 09/26] drm/panel: feiyang-fy07024di26a30d: use drm_panel backlight support Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 10/26] drm/panel: ilitek-ili9881c: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 11/26] drm/panel: innolux-p079zca: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 12/26] drm/panel: kingdisplay-kd097d04: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 13/26] drm/panel: lvds: " Sam Ravnborg
2019-12-03  7:16   ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 14/26] drm/panel: olimex-lcd-olinuxino: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 15/26] drm/panel: osd-osd101t2587-53ts: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 16/26] drm/panel: panasonic-vvx10f034n00: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 17/26] drm/panel: raydium-rm68200: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 18/26] drm/panel: rocktech-jh057n00900: " Sam Ravnborg
2019-12-04 12:04   ` Guido Günther [this message]
2019-12-02 19:32 ` [PATCH v1 19/26] drm/panel: ronbo-rb070d30: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 20/26] drm/panel: seiko-43wvf1g: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 21/26] drm/panel: sharp-lq101r1sx01: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 22/26] drm/panel: sharp-ls043t1le01: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 23/26] drm/panel: sitronix-st7701: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 24/26] drm/panel: sitronix-st7789v: " Sam Ravnborg
2019-12-02 19:32 ` [PATCH v1 25/26] drm/panel: tpo-td028ttec1: " Sam Ravnborg
2019-12-03  7:16   ` Laurent Pinchart
2019-12-02 19:32 ` [PATCH v1 26/26] drm/panel: tpo-tpg110: " Sam Ravnborg
2019-12-03 13:20   ` Linus Walleij
2019-12-02 19:59 ` [PATCH v1 0/26] drm/panel infrastructure + backlight update Jeffrey Hugo
2019-12-02 20:48   ` Sam Ravnborg
2019-12-02 20:51     ` Jeffrey Hugo
2019-12-03  7:24 ` Laurent Pinchart
2019-12-03  8:33   ` Sam Ravnborg

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