From patchwork Tue Nov 19 13:10:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13879867 X-Patchwork-Delegate: kieran@bingham.xyz Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 97DFE1CCEF7; Tue, 19 Nov 2024 13:10:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732021841; cv=none; b=pjSJHQ2BBbp8kUUnWBlL4i09W8sBhHHjH5jb5+w/kyAnBQraDD9HS+af7m/KFSX+LcJFk6YC4gjfN7sb1qdBzWYXNcjQuTlxKiNEiRYLX1G21wSIrwPTJJ/VvJeoWhBbob8g3xYOb8oKrX4sF6o1H9THYbD8zJi3klBFxabHBQU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732021841; c=relaxed/simple; bh=2tHCGPS76iErLjvn7a/o/MtqLL/KqUEn4i2rgpyLTcE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=V+QWxY8GGd7ASGd15REIQTYcAsMKwX1q2ssmRSJ1Iyc/qYAG8kxFkh95Jx6/FWEEbBDQD4X2XAp+7nU2yCbloeBn9XzQdfFJoHDLqUOg1wkF1JJAj2ojs6HiEiYdDqgzld8OrxHNdsyl1AkLBQVyeLUVl4+Ma51VTnqxhyGZq1U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-CSE-ConnectionGUID: xNmRzfxsSCOFxr7NVVL4Zw== X-CSE-MsgGUID: 32QdmpE1TEGJIjcsMiCjZg== X-IronPort-AV: E=Sophos;i="6.12,166,1728918000"; d="scan'208";a="229300915" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 19 Nov 2024 22:10:37 +0900 Received: from localhost.localdomain (unknown [10.226.92.216]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 3A4BC41D2395; Tue, 19 Nov 2024 22:10:31 +0900 (JST) From: Biju Das To: Andrzej Hajda , Neil Armstrong , Robert Foss , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Biju Das , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , dri-devel@lists.freedesktop.org, Geert Uytterhoeven , Prabhakar Mahadev Lad , Biju Das , linux-renesas-soc@vger.kernel.org, Hien Huynh , stable@vger.kernel.org, Laurent Pinchart Subject: [PATCH v5 3/3] drm: adv7511: Drop dsi single lane support Date: Tue, 19 Nov 2024 13:10:05 +0000 Message-ID: <20241119131011.105359-4-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241119131011.105359-1-biju.das.jz@bp.renesas.com> References: <20241119131011.105359-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 As per [1] and [2], ADV7535/7533 supports only 2-, 3-, or 4-lane. Drop unsupported 1-lane. [1] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7535.pdf [2] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7533.pdf Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Reported-by: Hien Huynh Cc: stable@vger.kernel.org Reviewed-by: Laurent Pinchart Signed-off-by: Biju Das Reviewed-by: Adam Ford --- Changes in v5: - No change. Changes in v4: - Added link to ADV7533 data sheet. - Collected tags Changes in v3: - Updated commit header and description - Updated fixes tag - Dropped single lane support Changes in v2: - Added the tag "Cc: stable@vger.kernel.org" in the sign-off area. - Dropped Archit Taneja invalid Mail address --- drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 5f195e91b3e6..122ad91e8a32 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -172,7 +172,7 @@ int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) of_property_read_u32(np, "adi,dsi-lanes", &num_lanes); - if (num_lanes < 1 || num_lanes > 4) + if (num_lanes < 2 || num_lanes > 4) return -EINVAL; adv->num_dsi_lanes = num_lanes;