From patchwork Thu Jun 20 11:29:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Walklin X-Patchwork-Id: 13705231 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 95BA2C41513 for ; Thu, 20 Jun 2024 11:33:48 +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: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DOYg+Z7RL/XC0/oVJ+OSKhXGs6ez2FfGgNXDKawiyks=; b=dSW2yfksEfmNeGC69MjffR5pLH 0cb4TEpC6Jup3wDeKuxbVcyRfW2bXPmVgHjWTDaCDOs3o0dqMaogf6i0Stg84AJ6zImo1YTfwgmif 5cKBbghtY0pjg3Cflf64Fbh/uJU6y+W843nJw3y6XqvwEDvFf0vdwQ2/prermdPPcI89pZ7CCttBF vmqtlI8+SAbFNdN/xQziOdYMAOFn+16ICUtVflAUeZIx6tbebGx6EUcJJtv/dOKf5GO3MTjYDFzOg denAnGk5mEmcyg0E0gciXfEMbLX2MbiZWlpuyBAfmTMythhWcFKtsUmlmBQn1jVlQAx/O2AitoFgD ahf32OcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sKG2p-00000004m3g-2WSM; Thu, 20 Jun 2024 11:33:35 +0000 Received: from fhigh3-smtp.messagingengine.com ([103.168.172.154]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sKG2R-00000004lok-3MZX for linux-arm-kernel@lists.infradead.org; Thu, 20 Jun 2024 11:33:17 +0000 Received: from compute6.internal (compute6.nyi.internal [10.202.2.47]) by mailfhigh.nyi.internal (Postfix) with ESMTP id 2CE84114026F; Thu, 20 Jun 2024 07:33:11 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Thu, 20 Jun 2024 07:33:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=testtoast.com; h=cc:cc:content-transfer-encoding:content-type:date:date:from :from:in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=fm2; t=1718883191; x= 1718969591; bh=DOYg+Z7RL/XC0/oVJ+OSKhXGs6ez2FfGgNXDKawiyks=; b=Z NyQr4fhn3vhEQrpnKijIIWJn5umfcRB7FPFIQlQFqUaRACGTTaxKC2XOXP2KHK/a nBd6/+xV2YHSBkgvzVEpM/Gu/Z2yB75dPHvFuZuzxmszawI8nwEj7kTjO8eUIBYs XQlQneLAKde8v2S2Tz1vtxmGPKk64jF5BOAI5kZLElRAk2FkRHSsEfRDXaYyZfhN Rm+6j3Lo2tMzCzGEfaEt+Cl6L3aJtAuvyhWBmNiwqoXgKoZ+Q9IpI1S7i2oFUCh6 8bist7ZsU5McCI1yv+UmC1rTpPAzv7AGw6KDBcu5i16cHUmLj/dUrTY+WuA2KPt2 kzJeeVeKeLKiLf+NndFXQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1718883191; x= 1718969591; bh=DOYg+Z7RL/XC0/oVJ+OSKhXGs6ez2FfGgNXDKawiyks=; b=N KiJtUDqAr/H3w96CtK9rRPvS0vC+nphOc+bhaTEkU7Fg3xZWGmHBoOvdLCKAghwW KqsXjEkHEFEGS8yRG4ejkI+TKcTKxfjEu0inhFzcDBs5EkwlNwruQASLP8ZPVPps 1Q17IbsbBIn2Pg34z8iHIoLH+KzGiKdz7u2D1K8lp5EMC4GnqfRkF39PhbTr73hj N0eZHutVNn7e9w2LXkaoO43r9+iZacVzBLO9A7ehWRCZaHWyre0gx7f2GqHuqxFr 8gp36qP3cud79DGVnrisTiWsO+CDz2GLx2SEwicmA+ANIr06vNTSXwewTueFTu0z jUsSjvzXuP7xlLT6PU3rQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvledrfeefvddggedvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhgggfestdekredtredttdenucfhrhhomheptfihrghn ucghrghlkhhlihhnuceorhihrghnsehtvghsthhtohgrshhtrdgtohhmqeenucggtffrrg htthgvrhhnpeffheeiffegtdfgffejteevgeefkeelieelkeevueetffetteduffevgeei ieehteenucevlhhushhtvghrufhiiigvpeefnecurfgrrhgrmhepmhgrihhlfhhrohhmpe hrhigrnhesthgvshhtthhorghsthdrtghomh X-ME-Proxy: Feedback-ID: idc0145fc:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 20 Jun 2024 07:33:05 -0400 (EDT) From: Ryan Walklin To: Maxime Ripard , Chen-Yu Tsai , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Jernej Skrabec , Samuel Holland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd Cc: Andre Przywara , Chris Morgan , John Watts , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, Ryan Walklin Subject: [PATCH 11/23] drm: sun4i: de3: add YUV support to the TCON Date: Thu, 20 Jun 2024 23:29:49 +1200 Message-ID: <20240620113150.83466-12-ryan@testtoast.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240620113150.83466-1-ryan@testtoast.com> References: <20240620113150.83466-1-ryan@testtoast.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240620_043312_079400_A0B7B20F X-CRM114-Status: GOOD ( 12.04 ) 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 From: Jernej Skrabec Account for U/V channel subsampling by reducing the dot clock and resolution with a divider in the DE3 timing controller if a YUV format is selected. Signed-off-by: Jernej Skrabec Signed-off-by: Ryan Walklin --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index a1a2c845ade0c..e39926e9f0b5d 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -598,14 +598,26 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, static void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon, const struct drm_display_mode *mode) { - unsigned int bp, hsync, vsync, vtotal; + unsigned int bp, hsync, vsync, vtotal, div; + struct sun4i_crtc *scrtc = tcon->crtc; + struct sunxi_engine *engine = scrtc->engine; u8 clk_delay; u32 val; WARN_ON(!tcon->quirks->has_channel_1); + switch (engine->format) { + case MEDIA_BUS_FMT_UYYVYY8_0_5X24: + case MEDIA_BUS_FMT_UYYVYY10_0_5X30: + div = 2; + break; + default: + div = 1; + break; + } + /* Configure the dot clock */ - clk_set_rate(tcon->sclk1, mode->crtc_clock * 1000); + clk_set_rate(tcon->sclk1, mode->crtc_clock * 1000 / div); /* Adjust clock delay */ clk_delay = sun4i_tcon_get_clk_delay(mode, 1); @@ -624,17 +636,17 @@ static void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon, /* Set the input resolution */ regmap_write(tcon->regs, SUN4I_TCON1_BASIC0_REG, - SUN4I_TCON1_BASIC0_X(mode->crtc_hdisplay) | + SUN4I_TCON1_BASIC0_X(mode->crtc_hdisplay / div) | SUN4I_TCON1_BASIC0_Y(mode->crtc_vdisplay)); /* Set the upscaling resolution */ regmap_write(tcon->regs, SUN4I_TCON1_BASIC1_REG, - SUN4I_TCON1_BASIC1_X(mode->crtc_hdisplay) | + SUN4I_TCON1_BASIC1_X(mode->crtc_hdisplay / div) | SUN4I_TCON1_BASIC1_Y(mode->crtc_vdisplay)); /* Set the output resolution */ regmap_write(tcon->regs, SUN4I_TCON1_BASIC2_REG, - SUN4I_TCON1_BASIC2_X(mode->crtc_hdisplay) | + SUN4I_TCON1_BASIC2_X(mode->crtc_hdisplay / div) | SUN4I_TCON1_BASIC2_Y(mode->crtc_vdisplay)); /* Set horizontal display timings */ @@ -642,8 +654,8 @@ static void sun4i_tcon1_mode_set(struct sun4i_tcon *tcon, DRM_DEBUG_DRIVER("Setting horizontal total %d, backporch %d\n", mode->htotal, bp); regmap_write(tcon->regs, SUN4I_TCON1_BASIC3_REG, - SUN4I_TCON1_BASIC3_H_TOTAL(mode->crtc_htotal) | - SUN4I_TCON1_BASIC3_H_BACKPORCH(bp)); + SUN4I_TCON1_BASIC3_H_TOTAL(mode->crtc_htotal / div) | + SUN4I_TCON1_BASIC3_H_BACKPORCH(bp / div)); bp = mode->crtc_vtotal - mode->crtc_vsync_start; DRM_DEBUG_DRIVER("Setting vertical total %d, backporch %d\n",