From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 AE5F533260B; Wed, 10 Jun 2026 23:24:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781133849; cv=none; b=NubvnISpail9kdkqtbRmvtpfeYqF1/orJG9RWH3GkOl2Td3L1dy1tae+fBBmwjc1pE4nJjVf0ZtXPVMPa01zCsmJyYPazUR2XawlQqFwsNeNR8Vakqx7844YK/prjrHxouR2ZDDhVe6sCTx4kdPBeMXqHtFEH9osUhzeQzBO2vc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781133849; c=relaxed/simple; bh=1VgXq/psbzPZ5ujKREwdsJzxQTcDhvTF80CsspVxDH0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iS8nBuJL8mFB67s1bfJwTAUNyWLp7tbjHsDNx1kF2dZ4Sp05KzVccK+SLxFCtn3cEohqeN1pPDQOB9XC/FCr6YMH2Zab9nrrchxwfLI62rofnLklNLGbWM89GpPBj5oSDKt3vM5VrTy/wJh5/J/+i5lYbjWfcztdKbe68Q/6VhE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=Cs87tXWK; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="Cs87tXWK" Received: from killaraus.ideasonboard.com (2001-14ba-70f3-e800--a06.rev.dnainternet.fi [IPv6:2001:14ba:70f3:e800::a06]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 86A02228; Thu, 11 Jun 2026 01:23:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1781133816; bh=1VgXq/psbzPZ5ujKREwdsJzxQTcDhvTF80CsspVxDH0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Cs87tXWK6hb7EuJl/FYSVlMzECBIoDmVnwjQh86ApEAq4bvqbHWDOezgf2P0NQ/ka nBTPwxU7NqsP3yRF/yIFPQKIm2F+KMoiG9GfZ19Fwu4i1W+SS0NLtDUyGR3AivFslr dZIqyvBQhMCXRrJHCKDDAhlFZXSy00Sdvzs1CYQs= Date: Thu, 11 Jun 2026 02:24:04 +0300 From: Laurent Pinchart To: Tomi Valkeinen Cc: Geert Uytterhoeven , Michael Turquette , Stephen Boyd , Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm , Marek Vasut , Kieran Bingham , Philipp Zabel , linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Subject: Re: [PATCH v3 5/7] arm64: dts: renesas: r8a779g0: Add DSC Message-ID: <20260610232404.GD1632628@killaraus.ideasonboard.com> References: <20260515-rcar-du-dsc-v3-0-164157820498@ideasonboard.com> <20260515-rcar-du-dsc-v3-5-164157820498@ideasonboard.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260515-rcar-du-dsc-v3-5-164157820498@ideasonboard.com> Hi Tomi and Marek, Thank you for the patch. On Fri, May 15, 2026 at 12:09:30PM +0300, Tomi Valkeinen wrote: > From: Marek Vasut > > The Renesas DSC Display Stream Compression is a bridge embedded in the > Renesas R-Car V4H SoC. The bridge is placed between DU and DSI1 units. > > The current dtsi file does not represent the DSC at all, and thus the > pipeline for DSI1 has not been functional. > > Signed-off-by: Marek Vasut > [tomi.valkeinen: separated the sparrowhawk changes] > Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart > --- > arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 31 ++++++++++++++++++++++++++++++- > 1 file changed, 30 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi > index 82a7278836e5..52a6176f9fd0 100644 > --- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi > +++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi > @@ -2298,6 +2298,35 @@ du_out_dsi0: endpoint { > port@1 { > reg = <1>; > du_out_dsi1: endpoint { > + remote-endpoint = <&dsc_in_dsi1>; > + }; > + }; > + }; > + }; > + > + dsc: dsc@feb8d000 { > + compatible = "renesas,r8a779g0-dsc"; > + reg = <0 0xfeb8d000 0 0x400>; > + interrupts = ; > + clocks = <&cpg CPG_MOD 2819>; > + power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>; > + resets = <&cpg 2819>; > + status = "disabled"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dsc_in_dsi1: endpoint { > + remote-endpoint = <&du_out_dsi1>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dsc_out_dsi1: endpoint { > remote-endpoint = <&dsi1_in>; > }; > }; > @@ -2534,7 +2563,7 @@ ports { > port@0 { > reg = <0>; > dsi1_in: endpoint { > - remote-endpoint = <&du_out_dsi1>; > + remote-endpoint = <&dsc_out_dsi1>; > }; > }; > > -- Regards, Laurent Pinchart