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Message-ID: <20240511134251.313513-1-sui.jingfeng@linux.dev>
Date: Sat, 11 May 2024 21:42:50 +0800
From: Sui Jingfeng <sui.jingfeng@...ux.dev>
To: Maxime Ripard <mripard@...nel.org>
Cc: Andrzej Hajda <andrzej.hajda@...el.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Robert Foss <rfoss@...nel.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org,
Sui Jingfeng <sui.jingfeng@...ux.dev>
Subject: [PATCH] drm/bridge: nxp-ptn3460: Remove a small useless code snippet
In ptn3460_bridge_attach(), the check on the existence of bridge->encoder
has already been done in the implementation of drm_bridge_attach(). The
driver won't go further if bridge->encoder is NULL and the driver will quit
even if drm_bridge_attach() fails for some reasons. Thereforei, there is
no need to check another time at the later, remove the redundant checking
codes "if (!bridge->encoder) { ... }".
Signed-off-by: Sui Jingfeng <sui.jingfeng@...ux.dev>
---
drivers/gpu/drm/bridge/nxp-ptn3460.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c
index ed93fd4c3265..e77aab965fcf 100644
--- a/drivers/gpu/drm/bridge/nxp-ptn3460.c
+++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c
@@ -229,11 +229,6 @@ static int ptn3460_bridge_attach(struct drm_bridge *bridge,
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
return 0;
- if (!bridge->encoder) {
- DRM_ERROR("Parent encoder object not found");
- return -ENODEV;
- }
-
ptn_bridge->connector.polled = DRM_CONNECTOR_POLL_HPD;
ret = drm_connector_init(bridge->dev, &ptn_bridge->connector,
&ptn3460_connector_funcs, DRM_MODE_CONNECTOR_LVDS);
--
2.43.0
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