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 82191145348; Mon, 6 Jan 2025 15:48:12 +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=1736178492; cv=none; b=LquCd3m+6476vTyBkviSO2zXmBr47/V3E/RjCHLgJv59yaKvhrH5wMXHvGYDI64jmvHqW560G9tMe2VBPGarigBSZZc89zui24GU/SS75CZL32r5nbnadRT060ffBHgAOS0kBtBEW7eqTJzqWlHVztABlnOk/5nT8gGMDt5bloo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736178492; c=relaxed/simple; bh=xyRvInQ87d5NHrlJIwIvnZI/grFnHtIQT+c2Mb5hb5g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CX69CXmCqVFlL4s7fupPGcTIeGNHWxiS7yq3O53onpSTAv2FgRvUTzY+q5+zmBp+SxNrq8M8najoPsq4AchX4oa8YD7TMQ9FrH97eLvNOwZ2jGbI+eE3g6PH+L/avr0HZMTtQLIm2Igh8nuf2/qOPpblbEufA8Oq0SUNcw3m17I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uL7oFDW0; 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="uL7oFDW0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 01708C4CED2; Mon, 6 Jan 2025 15:48:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1736178492; bh=xyRvInQ87d5NHrlJIwIvnZI/grFnHtIQT+c2Mb5hb5g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uL7oFDW0gTKajAEpaqeJtFQcIGLEN+EIdV49ZaOOG97iR85o2a0c6GQbReq+rg2Vs UNsUaUVKysapL1JnxEVmkjS3V0f6z0V7mSVUlKsRUY0fr2otb7Yd6TNYCwBua21mrF Iydnq0H064Elwp9exOAPy9B8OtOxS5kT7RSbJeyc= 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 5.10 137/138] drm: adv7511: Drop dsi single lane support Date: Mon, 6 Jan 2025 16:17:41 +0100 Message-ID: <20250106151138.419308139@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250106151133.209718681@linuxfoundation.org> References: <20250106151133.209718681@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-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;