From nobody Fri Dec 19 19:18:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29167C5AD4C for ; Thu, 23 Nov 2023 17:08:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345245AbjKWRIL (ORCPT ); Thu, 23 Nov 2023 12:08:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229462AbjKWRIJ (ORCPT ); Thu, 23 Nov 2023 12:08:09 -0500 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2530B0 for ; Thu, 23 Nov 2023 09:08:15 -0800 (PST) Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1r6DBR-0001A4-UT; Thu, 23 Nov 2023 18:08:09 +0100 From: Philipp Zabel Date: Thu, 23 Nov 2023 18:08:04 +0100 Subject: [PATCH 1/3] drm/panel: ilitek-ili9881c: make use of prepare_prev_first MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231123-drm-panel-ili9881c-am8001280g-v1-1-fdf4d624c211@pengutronix.de> References: <20231123-drm-panel-ili9881c-am8001280g-v1-0-fdf4d624c211@pengutronix.de> In-Reply-To: <20231123-drm-panel-ili9881c-am8001280g-v1-0-fdf4d624c211@pengutronix.de> To: Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Marco Felsch , kernel@pengutronix.de, Philipp Zabel X-Mailer: b4 0.12-dev-aab37 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::54 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marco Felsch The panel.prepare() call requires an initialized MIPI-DSI host, so set the prepare_prev_first flag to indicate that the host must be initialized first. Signed-off-by: Marco Felsch Signed-off-by: Philipp Zabel Reviewed-by: Neil Armstrong --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/dr= m/panel/panel-ilitek-ili9881c.c index 7838947a1bf3..0c911ed9141b 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -1094,6 +1094,8 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device = *dsi) return ret; } =20 + ctx->panel.prepare_prev_first =3D true; + ret =3D drm_panel_of_backlight(&ctx->panel); if (ret) return ret; --=20 2.39.2