linux-kernel - [PATCH] drm/bridge: nwl-dsi: Drop the drm_of_panel_bridge

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Date:   Fri,  1 Apr 2022 09:58:28 +0800
From:   Liu Ying <victor.liu@....com>
To:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:     Robert Foss <robert.foss@...aro.org>,
        Guido Günther <agx@...xcpu.org>,
        Jagan Teki <jagan@...rulasolutions.com>,
        NXP Linux Team <linux-imx@....com>
Subject: [PATCH] drm/bridge: nwl-dsi: Drop the drm_of_panel_bridge_remove() function call

Since this driver has been changed to use the resource managed
devm_drm_of_get_bridge() to get bridge from ->attach(), it's
unnecessary to call drm_of_panel_bridge_remove() to remove the
bridge from ->detach().  So, let's drop the drm_of_panel_bridge_remove()
function call.  As nwl_dsi_bridge_detach() only calls
drm_of_panel_bridge_remove(), it can also be dropped.

Cc: Robert Foss <robert.foss@...aro.org>
Cc: Guido Günther <agx@...xcpu.org>
Cc: Jagan Teki <jagan@...rulasolutions.com>
Cc: NXP Linux Team <linux-imx@....com>
Signed-off-by: Liu Ying <victor.liu@....com>
---
 drivers/gpu/drm/bridge/nwl-dsi.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
index a549da5b3f93..47859d4506b4 100644
--- a/drivers/gpu/drm/bridge/nwl-dsi.c
+++ b/drivers/gpu/drm/bridge/nwl-dsi.c
@@ -919,12 +919,6 @@ static int nwl_dsi_bridge_attach(struct drm_bridge *bridge,
 	return drm_bridge_attach(bridge->encoder, panel_bridge, bridge, flags);
 }
 
-static void nwl_dsi_bridge_detach(struct drm_bridge *bridge)
-{	struct nwl_dsi *dsi = bridge_to_dsi(bridge);
-
-	drm_of_panel_bridge_remove(dsi->dev->of_node, 1, 0);
-}
-
 static u32 *nwl_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge,
 						 struct drm_bridge_state *bridge_state,
 						 struct drm_crtc_state *crtc_state,
@@ -970,7 +964,6 @@ static const struct drm_bridge_funcs nwl_dsi_bridge_funcs = {
 	.mode_set		= nwl_dsi_bridge_mode_set,
 	.mode_valid		= nwl_dsi_bridge_mode_valid,
 	.attach			= nwl_dsi_bridge_attach,
-	.detach			= nwl_dsi_bridge_detach,
 };
 
 static int nwl_dsi_parse_dt(struct nwl_dsi *dsi)
-- 
2.25.1