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 DF13A349CF1; Wed, 10 Jun 2026 23:24:47 +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=1781133889; cv=none; b=Z/odLK5LOJ67QajOHtYsQmImQ1ZLc6olLWYJcC0EuRGPZ8ixYxraoavIbh2yJ6/HLciQ/vGiqaOV093gwgC0NTLhJnFQs4InKHKugu4H3lP5KLju0vC9ldrstkoGkCG4R4TigNX70UaaOauLOJe8cuHpi8iFAnXJTNPhtMQjxs4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781133889; c=relaxed/simple; bh=9s/l5AiqUNvUNOZoPIDF3lS1pmtc+PdVGWkmA9rNMqo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XLrolNAQy+yrmrQsV7O7szm4bFF2I83VoZcyT57o3wrdjpkMNgOstPAIkm4ICPxV54Vm7VIhrHjSPieiQRjQffGxzOzW+B063xzO/b0ZZwL4om2dSfK4Q31YlbDNQiz8IAZfV+0aobWiPw6ij1VNaFPCbd8JozdrpqeEGl+iBHQ= 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=X8agLC/r; 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="X8agLC/r" 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 9F147228; Thu, 11 Jun 2026 01:24:16 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1781133856; bh=9s/l5AiqUNvUNOZoPIDF3lS1pmtc+PdVGWkmA9rNMqo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=X8agLC/rjhJw56jTW6VGimcUzyMk8LcFUFo51asjmxzsZI/MW2Xk/1X5g2TDvMRMW fTfXbx2P5O3igkq9iEYijeQiV0WAGtGuG8LO4hYbIMqYlUQwd7i02q3eQhM0Ooq+XC Q3J5YKlEMScggrpieHE7o2UR22QVKTX0gqRvyvl0= Date: Thu, 11 Jun 2026 02:24:44 +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 6/7] arm64: dts: renesas: sparrow-hawk: Enable DisplayPort by adding DSC Message-ID: <20260610232444.GE1632628@killaraus.ideasonboard.com> References: <20260515-rcar-du-dsc-v3-0-164157820498@ideasonboard.com> <20260515-rcar-du-dsc-v3-6-164157820498@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-v3-6-164157820498@ideasonboard.com> Hi Tomi and Marek, Thank you for the patch. On Fri, May 15, 2026 at 12:09:31PM +0300, Tomi Valkeinen wrote: > From: Marek Vasut > > DisplayPort on the Sparrow Hawk board uses sn65dsi86 bridge, which in > turn gets the video stream from the SoC's DSI1 port. DSI1 pipeline has a > DSC block in between the DU and the DSI1. However, there was no DSC > driver in Linux and also the DSC was not defined in the dts files, and > thus the DisplayPort output did not work. > > Now that we have DSC defined in the SoC dts file (r8a779g0.dtsi), we can > enable DSC for sparrowhawk. > > Signed-off-by: Marek Vasut > [tomi.valkeinen: separated the sparrow hawk changes from the soc changes] > Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart > --- > arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts > index 812b133cf29e..f418998c6b05 100644 > --- a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts > +++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts > @@ -288,6 +288,11 @@ channel4 { > }; > }; > > +/* Page 27 / DSI to Display */ > +&dsc { > + status = "okay"; > +}; > + > /* Page 27 / DSI to Display */ > &dsi1 { > status = "okay"; > -- Regards, Laurent Pinchart