linux-kernel - [PATCH] drm/bridge: synopsys: dw-dp: fix signedness bug in dw_dp_video_need_vsc

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Message-ID: <20251225184401.414021-1-alperyasinak1@gmail.com>
Date: Thu, 25 Dec 2025 21:44:01 +0300
From: Alper Ak <alperyasinak1@...il.com>
To: andy.yan@...k-chips.com
Cc: Alper Ak <alperyasinak1@...il.com>,
	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>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drm/bridge: synopsys: dw-dp: fix signedness bug in dw_dp_video_need_vsc_sdp()

Since dw_dp_video_need_vsc_sdp() returns bool, have it return false
instead of -EINVAL if state is NULL.

Fixes: 86eecc3a9c2e ("drm/bridge: synopsys: Add DW DPTX Controller support library")
Signed-off-by: Alper Ak <alperyasinak1@...il.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index 82aaf74e1bc0..36382956bbe0 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -1149,7 +1149,7 @@ static bool dw_dp_video_need_vsc_sdp(struct dw_dp *dp)
 
 	state = dw_dp_get_bridge_state(dp);
 	if (!state)
-		return -EINVAL;
+		return false;
 
 	if (!link->vsc_sdp_supported)
 		return false;
-- 
2.43.0