From nobody Mon Feb 9 17:56:42 2026 Received: from out-183.mta0.migadu.com (out-183.mta0.migadu.com [91.218.175.183]) (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 E04D9188733 for ; Sun, 26 Jan 2025 19:16:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.183 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737919006; cv=none; b=VqjGEDqovHwaFjksq9NnHQnek6kcsSLSZRaMaxNECbOwBMsvtsZTONbLg4T5X5E0jdqav/bnQJAC1R95QnJQnd+DD1uSRJe5A1E5eOjTUABGyg0JCgTfMU65alTCRQz8H2G8rNyve9Fi2IgmJxGCPnjFedFB43Q2jmWCmYeYK8w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737919006; c=relaxed/simple; bh=kWFwJhAkccU7aKB3JtXVRSHN7Q0Eq0LEAQpIBvDCGFI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=XOTGxSsRV13AgMltSv2WKST4JoPWkRZ/qX0HBCR8YDQSKq+9P2OPJGsq8DUMkmkwmkno8Xl3LqKx6Vwdl6qAfpEeq/F/2b3Los7igeWKAkZcHAOAJlQbJ+/FtfocNtdBSzhIUFvzh5NfrYsuP2pW/FG1W6R6V3focsufjOxTrTE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=Dt/fXxCR; arc=none smtp.client-ip=91.218.175.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="Dt/fXxCR" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1737918996; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MJQ5JyPH1JLa8mRMcAzP7MxWc1bNNTJLd+qPMpGZOdI=; b=Dt/fXxCRawwS23a0uNZGkjhL2jGAEu2e+epzNTBoxc7pCWMIbMp161aAUEytwMA0/VnRCJ 88RHWCfo3NKgRBCCDJY8rkQ+GVREE1HWz33MlzsBF8gs6KVBwxPvJdFTusj5vLp0aaIl6+ pSf1q839ku9WEU9UFY0BLotRMJNPI3M= From: Aradhya Bhatia To: Tomi Valkeinen , Dmitry Baryshkov , Laurent Pinchart , Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Nishanth Menon , Vignesh Raghavendra , Devarsh Thakkar , Praneeth Bajjuri , Udit Kumar , Jayesh Choudhary , DRI Development List , Linux Kernel List , Aradhya Bhatia , Stable List Subject: [PATCH v8 04/13] drm/bridge: cdns-dsi: Check return value when getting default PHY config Date: Mon, 27 Jan 2025 00:45:42 +0530 Message-Id: <20250126191551.741957-5-aradhya.bhatia@linux.dev> In-Reply-To: <20250126191551.741957-1-aradhya.bhatia@linux.dev> References: <20250126191551.741957-1-aradhya.bhatia@linux.dev> 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-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Aradhya Bhatia Check for the return value of the phy_mipi_dphy_get_default_config() call, and incase of an error, return back the same. Fixes: fced5a364dee ("drm/bridge: cdns: Convert to phy framework") Cc: Stable List Reviewed-by: Tomi Valkeinen Reviewed-by: Dmitry Baryshkov Signed-off-by: Aradhya Bhatia Signed-off-by: Aradhya Bhatia --- drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/d= rm/bridge/cadence/cdns-dsi-core.c index 19cc8734a4c8..87921a748cdb 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c @@ -575,9 +575,11 @@ static int cdns_dsi_check_conf(struct cdns_dsi *dsi, if (ret) return ret; =20 - phy_mipi_dphy_get_default_config(mode_clock * 1000, - mipi_dsi_pixel_format_to_bpp(output->dev->format), - nlanes, phy_cfg); + ret =3D phy_mipi_dphy_get_default_config(mode_clock * 1000, + mipi_dsi_pixel_format_to_bpp(output->dev->format), + nlanes, phy_cfg); + if (ret) + return ret; =20 ret =3D cdns_dsi_adjust_phy_config(dsi, dsi_cfg, phy_cfg, mode, mode_vali= d_check); if (ret) --=20 2.34.1