From nobody Sun Feb 8 05:42:23 2026 Received: from mx.nabladev.com (mx.nabladev.com [178.251.229.89]) (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 F0A132309B9; Sat, 10 Jan 2026 15:28:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.251.229.89 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768058884; cv=none; b=UOG5x7Qf9dQunoBAwAWEL4oZp4/ShbEIUxsyDEYtfWR8Z1f71uu8DCVRCwAgsrbl9BsSAF5u8uhmAKCtbVGSxx/1csefB3i7JE50oAvWeJin0x73+g1U2MUs98P/wIrIdc9JAWeyqfj1B1HoVpaMy0CXbZIlrO7bwvZ88aNqA9s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768058884; c=relaxed/simple; bh=mRCPtIAF73wP1/o7ZVCX1RjRFvbR0B+HwEZ4LB7IADY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=MzAyK0OVAs8t8dldk/B/QkelC+RnB9mIrsbbi4Mkz8Fut86pNL+P7Jp/C8vZ1bdIuCcHBaN8vJ+8doKHkwv0Xjb25nErv+JxQf2VU4zj5IJAF7q0WG/2bgD8QSWKb+5nyyTMJUmkjtHDBh17j1gnbuVQ56g8dLd7qbiwzWImLec= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com; spf=pass smtp.mailfrom=nabladev.com; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b=YBk+EmSv; arc=none smtp.client-ip=178.251.229.89 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nabladev.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b="YBk+EmSv" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 392B4103478; Sat, 10 Jan 2026 16:27:51 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1768058874; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding; bh=jPuCYz9M+uS+LPyzVn6gpI54syQVbiK+1G5ZGXrjAeI=; b=YBk+EmSvl6cMfa/yJiRh8yDvKSH9+w+Y62/z7nF4Ji4Jm5jPW9LHQpMAC2Zefy9kFRXiut 9MA3peqFkvGfvgcS/i4pcIbbCSx8jtaiYgk2T41TobuODZyU5YOPk+Xo1dpCP3DaWcIsEV 7somRUZfuI5pdHqOegvl4kd3OjTxXFZx46Iw3NzYTwx4fRHVRTgz/3CB2KccBzmyjGDhEl 94AaCSa0HSxDNU5WgJfRifK3i9RkJ688MlueWtBagcJDEApTUoa3zF1uUndplvAJuCWF0N fP871G7A8lvHq7VJv7uiBbBZjdIigf2yOsD2+xoFNreN+Wf6jJPfDxy9EsBU0w== From: Marek Vasut To: dri-devel@lists.freedesktop.org Cc: Marek Vasut , stable@vger.kernel.org, David Airlie , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Neil Armstrong , Simona Vetter , Thomas Zimmermann , kernel@dh-electronics.com, linux-kernel@vger.kernel.org Subject: [PATCH] drm/panel-simple: fix connector type for DataImage SCF0700C48GGU18 panel Date: Sat, 10 Jan 2026 16:27:28 +0100 Message-ID: <20260110152750.73848-1-marex@nabladev.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" The connector type for the DataImage SCF0700C48GGU18 panel is missing and devm_drm_panel_bridge_add() requires connector type to be set. This leads to a warning and a backtrace in the kernel log and panel does not work: " WARNING: CPU: 3 PID: 38 at drivers/gpu/drm/bridge/panel.c:379 devm_drm_of_g= et_bridge+0xac/0xb8 " The warning is triggered by a check for valid connector type in devm_drm_panel_bridge_add(). If there is no valid connector type set for a panel, the warning is printed and panel is not added. Fill in the missing connector type to fix the warning and make the panel operational once again. Cc: stable@vger.kernel.org Fixes: 97ceb1fb08b6 ("drm/panel: simple: Add support for DataImage SCF0700C= 48GGU18") Signed-off-by: Marek Vasut Reviewed-by: Neil Armstrong --- Cc: David Airlie Cc: Jessica Zhang Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Neil Armstrong Cc: Simona Vetter Cc: Thomas Zimmermann Cc: dri-devel@lists.freedesktop.org Cc: kernel@dh-electronics.com Cc: linux-kernel@vger.kernel.org --- drivers/gpu/drm/panel/panel-simple.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/p= anel-simple.c index 3acc9f3dac16a..e33ee2308e715 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1900,6 +1900,7 @@ static const struct panel_desc dataimage_scf0700c48gg= u18 =3D { }, .bus_format =3D MEDIA_BUS_FMT_RGB888_1X24, .bus_flags =3D DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE, + .connector_type =3D DRM_MODE_CONNECTOR_DPI, }; =20 static const struct display_timing dlc_dlc0700yzg_1_timing =3D { --=20 2.51.0