From 728290006afba80108b3ce9dd33018f05e454cf0 Mon Sep 17 00:00:00 2001
From: Douglas Anderson <dianders@chromium.org>
Date: Tue, 4 Jun 2024 17:23:02 -0700
Subject: [PATCH] drm/panel: seiko-43wvf1g: Don't call disable at
shutdown/remove
It's the responsibility of a correctly written DRM modeset driver to
call drm_atomic_helper_shutdown() at shutdown time and that should be
disabling / unpreparing the panel if needed. Panel drivers shouldn't
be calling these functions themselves.
A recent effort was made to fix as many DRM modeset drivers as
possible [1] [2] [3] and most drivers are fixed now.
A grep through mainline for compatible strings used by this driver
indicates that it is used by IMX boards. As far as I can tell, all IMX
boards are now correctly calling drm_atomic_helper_shutdown() so we
can remove the calls.
[1] https://lore.kernel.org/r/20230901234015.566018-1-dianders@chromium.org
[2] https://lore.kernel.org/r/20230901234202.566951-1-dianders@chromium.org
[3] https://lore.kernel.org/r/20230921192749.1542462-1-dianders@chromium.org
Cc: Marco Franchi <marco.franchi@nxp.com>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: imx@lists.linux.dev
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240604172305.v3.16.Ief712fb6720cb98bdf9ec8644362d028b6554f9b@changeid
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240604172305.v3.16.Ief712fb6720cb98bdf9ec8644362d028b6554f9b@changeid
---
drivers/gpu/drm/panel/panel-seiko-43wvf1g.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
index 98480904126c0..8a3fe531c6418 100644
--- a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
+++ b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
@@ -243,14 +243,6 @@ static void seiko_panel_remove(struct platform_device *pdev)
struct seiko_panel *panel = platform_get_drvdata(pdev);
drm_panel_remove(&panel->base);
- drm_panel_disable(&panel->base);
-}
-
-static void seiko_panel_shutdown(struct platform_device *pdev)
-{
- struct seiko_panel *panel = platform_get_drvdata(pdev);
-
- drm_panel_disable(&panel->base);
}
static const struct display_timing seiko_43wvf1g_timing = {
@@ -306,7 +298,6 @@ static struct platform_driver seiko_panel_platform_driver = {
},
.probe = seiko_panel_platform_probe,
.remove_new = seiko_panel_remove,
- .shutdown = seiko_panel_shutdown,
};
module_platform_driver(seiko_panel_platform_driver);
--
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