From: Sam Ravnborg <sam@ravnborg.org>
To: dri-devel@lists.freedesktop.org,
Thierry Reding <thierry.reding@gmail.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>,
David Airlie <airlied@linux.ie>,
Linus Walleij <linus.walleij@linaro.org>,
Stefan Agner <stefan@agner.ch>,
Andrzej Hajda <a.hajda@samsung.com>,
Benjamin Gaignard <benjamin.gaignard@linaro.org>,
Sam Ravnborg <sam@ravnborg.org>,
linux-samsung-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Jagan Teki <jagan@amarulasolutions.com>,
NXP Linux Team <linux-imx@nxp.com>,
Jitao Shi <jitao.shi@mediatek.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
linux-mediatek@lists.infradead.org,
Abhinav Kumar <abhinavk@codeaurora.org>,
linux-tegra@vger.kernel.org, Sean Paul <sean@poorly.run>,
linux-arm-kernel@lists.infradead.org,
Purism Kernel Team <kernel@puri.sm>,
linux-renesas-soc@vger.kernel.org,
Boris Brezillon <boris.brezillon@collabora.com>,
Daniel Vetter <daniel@ffwll.ch>
Subject: [PATCH v1 20/26] drm/panel: seiko-43wvf1g: use drm_panel backlight support
Date: Mon, 2 Dec 2019 20:32:24 +0100 [thread overview]
Message-ID: <20191202193230.21310-21-sam@ravnborg.org> (raw)
In-Reply-To: <20191202193230.21310-1-sam@ravnborg.org>
Use the backlight support in drm_panel to simplify the driver
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
---
drivers/gpu/drm/panel/panel-seiko-43wvf1g.c | 36 ++++-----------------
1 file changed, 6 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
index 4b345a242b3f..e7e00b23c975 100644
--- a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
+++ b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
@@ -6,7 +6,6 @@
* Based on Panel Simple driver by Thierry Reding <treding@nvidia.com>
*/
-#include <linux/backlight.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/of.h>
@@ -46,7 +45,6 @@ struct seiko_panel {
bool prepared;
bool enabled;
const struct seiko_panel_desc *desc;
- struct backlight_device *backlight;
struct regulator *dvdd;
struct regulator *avdd;
};
@@ -127,12 +125,6 @@ static int seiko_panel_disable(struct drm_panel *panel)
if (!p->enabled)
return 0;
- if (p->backlight) {
- p->backlight->props.power = FB_BLANK_POWERDOWN;
- p->backlight->props.state |= BL_CORE_FBBLANK;
- backlight_update_status(p->backlight);
- }
-
p->enabled = false;
return 0;
@@ -196,12 +188,6 @@ static int seiko_panel_enable(struct drm_panel *panel)
if (p->enabled)
return 0;
- if (p->backlight) {
- p->backlight->props.state &= ~BL_CORE_FBBLANK;
- p->backlight->props.power = FB_BLANK_UNBLANK;
- backlight_update_status(p->backlight);
- }
-
p->enabled = true;
return 0;
@@ -227,7 +213,6 @@ static const struct drm_panel_funcs seiko_panel_funcs = {
static int seiko_panel_probe(struct device *dev,
const struct seiko_panel_desc *desc)
{
- struct device_node *backlight;
struct seiko_panel *panel;
int err;
@@ -247,18 +232,13 @@ static int seiko_panel_probe(struct device *dev,
if (IS_ERR(panel->avdd))
return PTR_ERR(panel->avdd);
- backlight = of_parse_phandle(dev->of_node, "backlight", 0);
- if (backlight) {
- panel->backlight = of_find_backlight_by_node(backlight);
- of_node_put(backlight);
-
- if (!panel->backlight)
- return -EPROBE_DEFER;
- }
-
drm_panel_init(&panel->base, dev, &seiko_panel_funcs,
DRM_MODE_CONNECTOR_DPI);
+ err = drm_panel_of_backlight(&panel->base);
+ if (err)
+ return err;
+
err = drm_panel_add(&panel->base);
if (err < 0)
return err;
@@ -273,11 +253,7 @@ static int seiko_panel_remove(struct platform_device *pdev)
struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);
drm_panel_remove(&panel->base);
-
- seiko_panel_disable(&panel->base);
-
- if (panel->backlight)
- put_device(&panel->backlight->dev);
+ drm_panel_disable(&panel->base);
return 0;
}
@@ -286,7 +262,7 @@ static void seiko_panel_shutdown(struct platform_device *pdev)
{
struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);
- seiko_panel_disable(&panel->base);
+ drm_panel_disable(&panel->base);
}
static const struct display_timing seiko_43wvf1g_timing = {
--
2.20.1
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next prev parent reply other threads:[~2019-12-02 19:40 UTC|newest]
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
2019-12-02 19:32 ` [PATCH v1 19/26] drm/panel: ronbo-rb070d30: " Sam Ravnborg
2019-12-02 19:32 ` Sam Ravnborg [this message]
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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