From mboxrd@z Thu Jan 1 00:00:00 1970 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 21057CF9C71 for ; Mon, 23 Sep 2024 22:38:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+t7REgL0vRbD5ozbKxnGHX+D3ka+R93Qijxfle7UDkw=; b=tUu0VYWRhc6H7kr0TNxJ9bQBRU gRZ1p5crQhm+3T33YdinvGBL9d2VzCs94OH/hbgpMTbUjUoreYdYuvAZNIrFMvuz0gi/qk+QQI0Wl dGDxNwKBhJQ6/3LHs22/eKAc067HC1jHQdGpvjwgR9h76ASXsNQ5awCIvKtf+oijNVWaaGW/ZT2hx w/IFJ7HsAmSDODin0Pdlii4sws1bnSpUImAUODKw3TOW8oZGIAzkLoZmOcw/1boyodyzk0CL8+w0Q sMY+aPmmGbpYa8zzSmVzOW5cBcwwn7TP1r03VvlSpk1EbHItJeKLpUTqPZtQpVuSEN0HVBkFpvtZs IxdwZubQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ssrgr-00000000cfk-0qC4; Mon, 23 Sep 2024 22:37:57 +0000 Received: from sender4-pp-f112.zoho.com ([136.143.188.112]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1ssrfi-00000000cQR-3ZZV; Mon, 23 Sep 2024 22:36:48 +0000 ARC-Seal: i=1; a=rsa-sha256; t=1727130994; cv=none; d=zohomail.com; s=zohoarc; b=etfvqn6nE9bSw12FIbfJjgCORXBDGGvV9maXWJaQnkhh0rxOqHDnHlz7YIqv4BYx7SoLUvprqJVEcqHmzlYTkjJDJ+yUP208bEq/Kuvqt5+V7HxY+7KXSEGcNGRtfX2l3fsAlfyJ0PqnO0UpzLDWbSsRY6mUoAsfS6I1hiABPrQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1727130994; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=+t7REgL0vRbD5ozbKxnGHX+D3ka+R93Qijxfle7UDkw=; b=caAMCQASvh6dv59R7g9ZGrEmIYXI4sXujsjyPHqcmiT1F8cQr3uPVKefSzqrcbFD5kjc8FmeRvMhlqCVfD5L3imxGm9MZoOfgjWPVXI1otXetnaa+V9Kto7NFzzI7VcuRUj/SfewxIapq7Yb+LUiEfiQWdSJIRqthqp4mdfXRfM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1727130994; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:Cc:Cc:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=+t7REgL0vRbD5ozbKxnGHX+D3ka+R93Qijxfle7UDkw=; b=dz4+1e7/rELveWVtwg4DVhx47h7EuwGhj6wtaSdKerqaaZFFwgcgicUrFHJtGFrN iUeAOyKrKgGoYWl+8U5FsfXsVwWlWAST8tkJPRcAIMaiSUFqKe7SBOT+SX6yB6LNNMw qamG/u3aI9vslBmysAeaBAe2+ochwSJFpcC5UBX4= Received: by mx.zohomail.com with SMTPS id 1727130994054161.20850860095402; Mon, 23 Sep 2024 15:36:34 -0700 (PDT) Message-ID: <40099a01-cac2-4b65-bb96-3dfdb106a4eb@collabora.com> Date: Tue, 24 Sep 2024 01:36:27 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 4/4] media: platform: synopsys: Add support for hdmi input driver To: Hans Verkuil , Shreeya Patel , heiko@sntech.de, mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, p.zabel@pengutronix.de, jose.abreu@synopsys.com, nelson.costa@synopsys.com, shawn.wen@rock-chips.com, nicolas.dufresne@collabora.com, hverkuil-cisco@xs4all.nl Cc: kernel@collabora.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org References: <20240719124032.26852-1-shreeya.patel@collabora.com> <20240719124032.26852-5-shreeya.patel@collabora.com> Content-Language: en-US From: Dmitry Osipenko In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ZohoMailClient: External X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240923_153646_975594_AD92B1C3 X-CRM114-Status: UNSURE ( 7.34 ) X-CRM114-Notice: Please train this message. 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 On 7/23/24 11:48, Hans Verkuil wrote: >> + val = hdmirx_readl(hdmirx_dev, DMA_STATUS11); >> + field_type = (val & HDMIRX_TYPE_MASK) >> 7; >> + hdmirx_get_pix_fmt(hdmirx_dev); > Hold on, this changes the pixel format based on the detected video format. > Does that mean this hardware does not have a colorspace conversion block? > All the HDMI receiver hardware I have seen always had a CSC matrix and > could convert between 4:4:4, 4:2:2 and 4:2:0. TRM doesn't mention that CSC is supported. -- Best regards, Dmitry