mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Liu Ying <victor.liu@nxp.com>
To: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc: andrzej.hajda@intel.com, narmstrong@baylibre.com,
	robert.foss@linaro.org, Laurent.pinchart@ideasonboard.com,
	jonas@kwiboo.se, jernej.skrabec@gmail.com, airlied@linux.ie,
	daniel@ffwll.ch, sam@ravnborg.org, marex@denx.de,
	linux-imx@nxp.com
Subject: [PATCH 2/3] drm/bridge: fsl-ldb: Enable split mode for LVDS dual link
Date: Fri,  1 Jul 2022 14:56:33 +0800	[thread overview]
Message-ID: <20220701065634.4027537-3-victor.liu@nxp.com> (raw)
In-Reply-To: <20220701065634.4027537-1-victor.liu@nxp.com>

When LVDS dual link is used, we have to enable the LDB_CTRL_SPLIT_MODE bit.

Fixes: 463db5c2ed4a ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge")
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Marek Vasut <marex@denx.de>
Cc: NXP Linux Team <linux-imx@nxp.com>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
---
 drivers/gpu/drm/bridge/fsl-ldb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/fsl-ldb.c b/drivers/gpu/drm/bridge/fsl-ldb.c
index 3cb3b310e283..d4f005eef6f6 100644
--- a/drivers/gpu/drm/bridge/fsl-ldb.c
+++ b/drivers/gpu/drm/bridge/fsl-ldb.c
@@ -153,7 +153,7 @@ static void fsl_ldb_atomic_enable(struct drm_bridge *bridge,
 	reg = LDB_CTRL_CH0_ENABLE;
 
 	if (fsl_ldb->lvds_dual_link)
-		reg |= LDB_CTRL_CH1_ENABLE;
+		reg |= LDB_CTRL_CH1_ENABLE | LDB_CTRL_SPLIT_MODE;
 
 	if (lvds_format_24bpp) {
 		reg |= LDB_CTRL_CH0_DATA_WIDTH;
-- 
2.25.1


  parent reply	other threads:[~2022-07-01  6:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-01  6:56 [PATCH 0/3] drm/bridge: fsl-ldb: A few fixes Liu Ying
2022-07-01  6:56 ` [PATCH 1/3] drm/bridge: fsl-ldb: Fix mode clock rate validation Liu Ying
2022-07-01  8:02   ` Marek Vasut
2022-07-06 13:34     ` Robert Foss
2022-07-07  8:12       ` Neil Armstrong
2022-07-01  6:56 ` Liu Ying [this message]
2022-07-01  8:02   ` [PATCH 2/3] drm/bridge: fsl-ldb: Enable split mode for LVDS dual link Marek Vasut
2022-07-01  6:56 ` [PATCH 3/3] drm/bridge: fsl-ldb: Drop DE signal polarity inversion Liu Ying
2022-07-01  8:03   ` Marek Vasut
2022-07-04 14:24 ` [PATCH 0/3] drm/bridge: fsl-ldb: A few fixes Neil Armstrong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220701065634.4027537-3-victor.liu@nxp.com \
    --to=victor.liu@nxp.com \
    --cc=Laurent.pinchart@ideasonboard.com \
    --cc=airlied@linux.ie \
    --cc=andrzej.hajda@intel.com \
    --cc=daniel@ffwll.ch \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=jernej.skrabec@gmail.com \
    --cc=jonas@kwiboo.se \
    --cc=linux-imx@nxp.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=marex@denx.de \
    --cc=narmstrong@baylibre.com \
    --cc=robert.foss@linaro.org \
    --cc=sam@ravnborg.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®