linux-kernel - [PATCH v2] drm/bridge/tc358775: Fix for dual-link LVDS

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Message-Id: <20220106190027.1498-1-jirivanek1@gmail.com>
Date:   Thu,  6 Jan 2022 20:00:27 +0100
From:   Jiri Vanek <jirivanek1@...il.com>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>
Cc:     Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Vinay Simha B N <simhavcs@...il.com>,
        Jiri Vanek <jirivanek1@...il.com>
Subject: [PATCH v2] drm/bridge/tc358775: Fix for dual-link LVDS

Fixed wrong register shift for single/dual link LVDS output.

Tested-by: Jiri Vanek <jirivanek1@...il.com>
Signed-off-by: Jiri Vanek <jirivanek1@...il.com>

---
v1:
* Initial version

v2:
* Tested-by tag added

---
 drivers/gpu/drm/bridge/tc358775.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c
index 2272adcc5b4a..1d6ec1baeff2 100644
--- a/drivers/gpu/drm/bridge/tc358775.c
+++ b/drivers/gpu/drm/bridge/tc358775.c
@@ -241,7 +241,7 @@ static inline u32 TC358775_LVCFG_PCLKDIV(uint32_t val)
 }
 
 #define TC358775_LVCFG_LVDLINK__MASK                         0x00000002
-#define TC358775_LVCFG_LVDLINK__SHIFT                        0
+#define TC358775_LVCFG_LVDLINK__SHIFT                        1
 static inline u32 TC358775_LVCFG_LVDLINK(uint32_t val)
 {
 	return ((val) << TC358775_LVCFG_LVDLINK__SHIFT) &
-- 
2.30.2