From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E9E6186332; Mon, 6 Jan 2025 15:56:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736179016; cv=none; b=d91ChmgeGBjBPAPYEHwMtbLDjKJmPAfQ6l+y45SVLjOJrarRYfEKZemKfInZ4MRsT32Vj8VlIW03RKWnXYgQmd/BWi/VNCZhoxuRBmymkJl7h2rrrpq0eVNdCg8S/0yHJqXSlbIrjJ887n/hKAf+B9sxda21U3+SfjGh9/rVnl0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736179016; c=relaxed/simple; bh=a25PYmCIzROFAoi28Yza/me38NTqk8jlDit9tWvR6vA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KwOB2RXK4G0peKiJJF3ZkHWyZv7XyozH7WrRV+HpRV4+KteOEUMAyoY7Mz+qdJV3TqO+Cy4p4tDeSR+KYjaXPOjqxrtY2QQPw28p4S+CZ7Vq5isC0UwKFcuYDplhaCZmkvkXMwTKY1QKQ8d2wqtoGXNnkOZnKzedhbpDyeqDp4Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zX6bNwks; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zX6bNwks" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F897C4CED2; Mon, 6 Jan 2025 15:56:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1736179015; bh=a25PYmCIzROFAoi28Yza/me38NTqk8jlDit9tWvR6vA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zX6bNwksUEUDmvc8cWah52qwZD0JGOvi2XEEeGlJfWlPM81zOV27eCFoiO7AWdbnR HOgg88/2oVhabYWTzkC1rvsiW18XmPrL2AHFFz8QANub3IQPKJjGy0balTENlqP5SK dbczMfbavm4IIZeXW5iYBl4FmFXxZrt+98twRWwE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hien Huynh , Laurent Pinchart , Adam Ford , Biju Das , Dmitry Baryshkov Subject: [PATCH 5.15 166/168] drm: adv7511: Drop dsi single lane support Date: Mon, 6 Jan 2025 16:17:54 +0100 Message-ID: <20250106151144.696927503@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250106151138.451846855@linuxfoundation.org> References: <20250106151138.451846855@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Biju Das commit 79d67c499c3f886202a40c5cb27e747e4fa4d738 upstream. 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 Link: https://patchwork.freedesktop.org/patch/msgid/20241119192040.152657-4-biju.das.jz@bp.renesas.com Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -191,7 +191,7 @@ int adv7533_parse_dt(struct device_node 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;