From patchwork Tue Nov 19 19:20:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13880461 X-Patchwork-Delegate: kieran@bingham.xyz Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4E81643179; Tue, 19 Nov 2024 19:21:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732044077; cv=none; b=VuytPQ+M6SgO+w0xH2H/5TZc3c3wt4U2RABIraA5vNQz92OYy3Kx9dnW3aAV9pQTdbrDUDYFZ2n5vOfcPcdw6HwUO4UKAD1xB8WmwsM9Xs36A3aUBjmayQSWE0lQB/Q8WeJ1irrlvIfCuumM5hnp6v9pBdQu9Y6Fl4tdUlmUgCg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732044077; c=relaxed/simple; bh=uv4aWfkwFmdYx7bzUX1VtZHF15n9wvk7hDHDxDmM44Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=m0SMum9tsS6B+t9Qt3Hh8NqVmrc0EEfL3O7Pk/EiyKaQqfBSPGMG5HwyOIu1bxnRrDgNQ9f81+s1cvb5d2Hy83kf/OH6IMiE9tAIa4zQnMSdqBotM2sbrmWqiS8N35NYwkHqdXrY1xaZlT0fhUSLYaX6Yb+dtQyQKMUmHUg63PU= 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=210.160.252.171 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: joydJ8ZTSF+XecEXKn0teg== X-CSE-MsgGUID: bvI4R+qHSMGsiQIrTkbomg== X-IronPort-AV: E=Sophos;i="6.12,166,1728918000"; d="scan'208";a="225336233" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 20 Nov 2024 04:21:13 +0900 Received: from localhost.localdomain (unknown [10.226.92.216]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 83BE640503A1; Wed, 20 Nov 2024 04:21:00 +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 , Adam Ford Subject: [PATCH v7 3/3] drm: adv7511: Drop dsi single lane support Date: Tue, 19 Nov 2024 19:20:31 +0000 Message-ID: <20241119192040.152657-4-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241119192040.152657-1-biju.das.jz@bp.renesas.com> References: <20241119192040.152657-1-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 Reviewed-by: Adam Ford Signed-off-by: Biju Das --- Changes in v7: - No change. Changes in v6: - Added Rb tag from Adam. 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;