From nobody Sun Feb 8 06:53:48 2026 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 F1A2119F509; Wed, 27 Mar 2024 12:27:27 +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=1711542448; cv=none; b=nvfkDWzIj2L1ocbFWZ9qcpTyrk3SOttBferREoxygiszoDD8yiA8tYCzNJQ/js384y8Qpuvu0UbFOw1ZpjrM/raE9JPXo10+gxIhDVUXbati6T2DrfM4Hjm4Nb2ree9UNCxTyOoq6D/NyDKCmFCzn2lX2tpCg2FU7okWm1Imjvg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711542448; c=relaxed/simple; bh=yolxWdCdAK/kELjsk+u70HrEA5VN2JFqUXhHt7VShTY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=sjfV7nhj1P8cmg2+bozUevIRG7+twuS+Ou/6kHzDRdP9UC3N8i7rNhQSsOaInsYEPadYyEdFNASSD/zP78V5iesI0DLYLlDFruGubpDAV19iQ02Bvs5q5yOW7tBaQSJTTX+P0OZKTI0Aa0yMSGiUcL/B1S9wwrADjZy9F1v6C9A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=X4PpB22M; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="X4PpB22M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2BA1EC43394; Wed, 27 Mar 2024 12:27:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711542447; bh=yolxWdCdAK/kELjsk+u70HrEA5VN2JFqUXhHt7VShTY=; h=From:To:Cc:Subject:Date:From; b=X4PpB22MljeYOjG32hEvQMoXo7UvSCbOXDa3ojFRmMsk7o/02g31amGTNoODyIN5C 03S9K3s8QHjRXGiuA39zAUoSKaF1QbA3jvFL9fHeBsMl3toxzn8k9ecjfsM6VlcG1z lVNC99Js98UeydxmlxHmcYU+fjFi1At7TwsqM9Q+cOuenau5z6f+O50huywNAfKOJF C2qxSIqd9fUzQQjSod04Fn8WCrB16/7OLzIkbLlDB6/90PD635AgHBUtYpavlun7PY Y00wtLF5tmTP2/lM4LHi7cjIm1qwTniuZAjASRZIzqapaV//BlHQA9RwE2Nj21t3Oh V+g5+uXgGzWeA== From: Sasha Levin To: stable@vger.kernel.org, jani.nikula@intel.com Cc: Adrien Grassein , Thomas Zimmermann , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: FAILED: Patch "drm/bridge: lt8912b: do not return negative values from .get_modes()" failed to apply to 4.19-stable tree Date: Wed, 27 Mar 2024 08:27:26 -0400 Message-ID: <20240327122726.2841911-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha Acked-by: Thomas Zimmermann ------------------ original commit in Linus's tree ------------------ From 171b711b26cce208bb628526b1b368aeec7b6fa4 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Fri, 8 Mar 2024 18:03:42 +0200 Subject: [PATCH] drm/bridge: lt8912b: do not return negative values from .get_modes() The .get_modes() hooks aren't supposed to return negative error codes. Return 0 for no modes, whatever the reason. Cc: Adrien Grassein Cc: stable@vger.kernel.org Acked-by: Thomas Zimmermann Link: https://patchwork.freedesktop.org/patch/msgid/dcdddcbcb64b6f6cdc55022= ee50c10dee8ddbc3d.1709913674.git.jani.nikula@intel.com Signed-off-by: Jani Nikula --- drivers/gpu/drm/bridge/lontium-lt8912b.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bri= dge/lontium-lt8912b.c index e7c4bef74aa46..4b2ae27f0a57f 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -441,23 +441,21 @@ lt8912_connector_mode_valid(struct drm_connector *con= nector, static int lt8912_connector_get_modes(struct drm_connector *connector) { const struct drm_edid *drm_edid; - int ret =3D -1; - int num =3D 0; struct lt8912 *lt =3D connector_to_lt8912(connector); u32 bus_format =3D MEDIA_BUS_FMT_RGB888_1X24; + int ret, num; =20 drm_edid =3D drm_bridge_edid_read(lt->hdmi_port, connector); drm_edid_connector_update(connector, drm_edid); - if (drm_edid) { - num =3D drm_edid_connector_add_modes(connector); - } else { - return ret; - } + if (!drm_edid) + return 0; + + num =3D drm_edid_connector_add_modes(connector); =20 ret =3D drm_display_info_set_bus_formats(&connector->display_info, &bus_format, 1); - if (ret) - num =3D ret; + if (ret < 0) + num =3D 0; =20 drm_edid_free(drm_edid); return num; --=20 2.43.0