From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 63E41288B2; Sat, 12 Sep 2026 10:44:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789209890; cv=none; b=u0PhzIsefhiQWTA7TpKb85qts+j1qlXvHi8Vqrceir5dHXA1D304cImSxqweyzRV2YrTCWifGgBRmY8h43Y9TKmDKXaCF1sUUmBD4Dagh4xSnHkcoDC+NZ5p6gzJ/lHnR5/sSNtOD0OJsDgRGo+FiK1Vyvwmy3e5t1MqTpVtyYs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789209890; c=relaxed/simple; bh=KFlL9d3hh+EjetaV/0zjINcb41lO3tFLmJIqDu2odZs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WL08DBBZ7ktNvMPyBX9973vzTAhCp3GJn5volfUokX5pUQGg/x+uVXG2DNS2UqijOsljepGmYlX2YGSj+lwKl5Ev85KoMLmFULWk2nSGu+97RCX/rweA6EjKOe1DcJ0uDr3eM/OEpj9p6NV1mH9JgEy2KgBwBXGVNvEGKMwAHA4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uYNr8Mzi; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="uYNr8Mzi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F15ED1F000FF; Sat, 12 Sep 2026 10:44:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789209889; bh=4f/EqPWIuzMkJsTmba4SBz/wpkAsDOxI6fqeoCyGs4Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=uYNr8MziLvUHgNTDAwZwGPLX/0HKYXlqqSr8S/0vWTRUBfsUeUfMqv7OGnGi4fYhB eZUnHKmSuGfK6mXgaXZXVbrMerbzhf6OGfTih9vhsbAKCSmP8HgtaU8y9iWa9J1pyQ FXP5VwNnlLcuwhDUqc7OB+1/x6VuN+P5MHi1nK6I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jernej Skrabec , Chen-Yu Tsai , Sasha Levin Subject: [PATCH 6.18 0912/1518] drm/sun4i: tcon: Set output mux for DSI and LVDS Date: Sat, 12 Sep 2026 08:51:21 +0200 Message-ID: <20260912065644.085951951@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065623.398859879@linuxfoundation.org> References: <20260912065623.398859879@linuxfoundation.org> User-Agent: quilt/0.69 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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jernej Skrabec [ Upstream commit 9c90199b39637ad94253c4fd8e7b1333ca1d3e0d ] DSI and LVDS skip output mux setup, so TCON TOP cannot route the selected mixer. Configure them like other channel 0 outputs. In practice this matters for D1, where channel 0 TCONs are fed through TCON TOP. The remaining set_mux implementations only handle TMDS and return an error for other encoder types, as before. Fixes: b9b52d2f4aaf ("drm/sun4i: Add support for D1 TCONs") Signed-off-by: Jernej Skrabec Acked-by: Chen-Yu Tsai Link: https://patch.msgid.link/7e9dad9eed2e91a79c4e1202caa8fed7c2427531.1785772659.git.jernej.skrabec@gmail.com Signed-off-by: Chen-Yu Tsai Signed-off-by: Sasha Levin --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 960e83c8291da..ea7c90fef316b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -717,9 +717,11 @@ void sun4i_tcon_mode_set(struct sun4i_tcon *tcon, case DRM_MODE_ENCODER_DSI: /* DSI is tied to special case of CPU interface */ sun4i_tcon0_mode_set_cpu(tcon, encoder, mode); + sun4i_tcon_set_mux(tcon, 0, encoder); break; case DRM_MODE_ENCODER_LVDS: sun4i_tcon0_mode_set_lvds(tcon, encoder, mode); + sun4i_tcon_set_mux(tcon, 0, encoder); break; case DRM_MODE_ENCODER_NONE: sun4i_tcon0_mode_set_rgb(tcon, encoder, mode); -- 2.53.0