From patchwork Mon Sep 26 20:37:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 12989393 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B75AC07E9D for ; Mon, 26 Sep 2022 20:39:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=bluT0rWJx0y8Tkl73wk+petmgqZVvcwmR1woEUwHvNY=; b=D3W8GkuHksjOMx daATolg9WcghaAMW1UHwg2A0Q8NQ0zR+fjBCETXmNJmOaKBbIoE16qPoGH41i35nSLQr/XgGQKi+s ZBPKlDqVg3YkpOLGn8DJEGBFREBbpfAbfkN9oqteZ2cILD1ARtWrzWlB9hmeazSSKf4QO1jVTpXHf CmMS9doxnvTJfUYaNyDzxgFMerpSbE5tNsny6GLmCw8C0MW4e38Tk0hgTcinRUIuVei8RpEyLOlea WyNK/7m+ynd1pJe0kt7N2uXIF6c/5dXG3JdbBZJ1p3eIZ7vpp8kCDXPjtrMn6/weq+IIrdVtze/gJ Wlwr5JyNOTLNz6MkD9Nw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ocurr-006lMb-IG; Mon, 26 Sep 2022 20:38:19 +0000 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ocurn-006lLq-Nq; Mon, 26 Sep 2022 20:38:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date: Subject:Cc:To:From:Content-Type:From:Reply-To:Subject:Content-ID: Content-Description:In-Reply-To:References:X-Debbugs-Cc; bh=6mMntl/NSx3pI8k7cwocEGZTr8TFwyTDRITg/BPF9cE=; b=jsOYLfELogFtxXpumU7TR84MXy Eu1UFVHsGD3Cj6UmLrM/ZTUSNvZz/xc6ldsssTnH8FS6td7ee6m/LX31WwRxDiUukhQrcskxUWWkT VoPG1wrRFuybvausa2AhjVXJF8dX6aOJ6YQ47vA1lpmZCMp/kUCCS4hSkeY3RDcYntCEbgalmkvXm BGUZHDyOTnFsAsPuuxGwC8hDb+YB+3WDlK8eKaoECB53D6G2BeeeYOXlW/V7bdBM+laONV31EMmhv 9YuLdNrFUlYxWTL81SdBPAz6d/d/i058J3xiyHd5I6RgnRbx8vv/mehnwKmO6yBVImUXYrcJSHKC/ 3ss+EE/Q==; Received: from [2a01:e34:ec5d:a741:8a4c:7c4e:dc4c:1787] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ocurd-00BDVl-KH; Mon, 26 Sep 2022 22:38:05 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.96) (envelope-from ) id 1ocurd-0001Q2-0I; Mon, 26 Sep 2022 22:38:05 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org Cc: Aurelien Jarno , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , David Airlie , Daniel Vetter , Dmitry Osipenko , Sascha Hauer , dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR ROCKCHIP), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Rockchip SoC support), linux-rockchip@lists.infradead.org (open list:ARM/Rockchip SoC support) Subject: [PATCH] drm/rockchip: dw_hdmi: filter regulator -EPROBE_DEFER error messages Date: Mon, 26 Sep 2022 22:37:52 +0200 Message-Id: <20220926203752.5430-1-aurelien@aurel32.net> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220926_133815_791822_BC2A37CC X-CRM114-Status: GOOD ( 11.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org When the avdd-0v9 or avdd-1v8 supply are not yet available, EPROBE_DEFER is returned by rockchip_hdmi_parse_dt(). This causes the following error message to be printed multiple times: dwhdmi-rockchip fe0a0000.hdmi: [drm:dw_hdmi_rockchip_bind [rockchipdrm]] *ERROR* Unable to parse OF data Fix that by not printing the message when rockchip_hdmi_parse_dt() returns -EPROBE_DEFER. Fixes: ca80c4eb4b01 ("drm/rockchip: dw_hdmi: add regulator support") Signed-off-by: Aurelien Jarno Reviewed-by: Dmitry Osipenko --- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index c14f88893868..2f4b8f64cbad 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -565,7 +565,8 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, ret = rockchip_hdmi_parse_dt(hdmi); if (ret) { - DRM_DEV_ERROR(hdmi->dev, "Unable to parse OF data\n"); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(hdmi->dev, "Unable to parse OF data\n"); return ret; }