From patchwork Wed Jul 3 10:51:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Walklin X-Patchwork-Id: 13722003 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 36ECAC31D97 for ; Wed, 3 Jul 2024 10:56:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B054110E7A5; Wed, 3 Jul 2024 10:56:25 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=testtoast.com header.i=@testtoast.com header.b="UK6kcdDx"; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b="oXiUPHUP"; dkim-atps=neutral Received: from fout6-smtp.messagingengine.com (fout6-smtp.messagingengine.com [103.168.172.149]) by gabe.freedesktop.org (Postfix) with ESMTPS id AEF1010E7A6 for ; Wed, 3 Jul 2024 10:56:24 +0000 (UTC) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailfout.nyi.internal (Postfix) with ESMTP id 1C6061380623; Wed, 3 Jul 2024 06:56:24 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Wed, 03 Jul 2024 06:56:24 -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=1720004184; x= 1720090584; bh=DOYg+Z7RL/XC0/oVJ+OSKhXGs6ez2FfGgNXDKawiyks=; b=U K6kcdDxkvrlV+Zx6+eoZAumo9/YJMhAIV4IPB+aJ3bhIXgqgHTMvtXZNBnaMt072 zwJBuxrs1Ik8+dMVDA8UxekZNTQJwWE+4N+qd5zxHOa5uSDndqyWm5AyxM/pGkWX +FGGcripBJhomZSHtAV7b15HUGeS5kon5jn3885xLLB0iUr4CWgvMym1EgdPL8lB QOVTK2UD+UFu93d8TpMQFtfEJDMBg/fB8IoqdrLn3UYTKD2v1eUy9ndlof1ZUUi2 mG3iMV5pICVccO98VD8+SCftnQYaCkMSSMxBURJbWTfpFHmy8RJq3BfWn9YRmXTR f5FH0VCONwyKlJXRBLYgQ== 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=1720004184; x= 1720090584; bh=DOYg+Z7RL/XC0/oVJ+OSKhXGs6ez2FfGgNXDKawiyks=; b=o XiUPHUPmmibQK91pO3E61a3+AN3PDdkKHNtSHNLI71IQ2gBBf+Uou3ja8Ko6DF+b 2xTybS2uk9nHh6nDT+N/t5Vsln/Ud27401in0M+J0ISmFvJHoOuqWrXW3/2f9sLP 7rR0zBs/xDMrFTHVNBAcjiQTSoPxinprsnp44TlDHvFJ5c2mZruliQ7yCXxb8jnA l01zx6RGrEjZonMHA/LREaFWOf2j/NUWwU8s3iVJJYMy2QYo1y8P1yYlqj8A2+Va +E9vX3QhqamabaqG3aIBA+W/xmye5l/zXtkwQRB6ZiGWgmZc4qYkEpNOjKRSpaOs XCCg2LfQ5QsKHa7bVj9VA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrudejgdefgecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvfevufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefthigrnhcu hggrlhhklhhinhcuoehrhigrnhesthgvshhtthhorghsthdrtghomheqnecuggftrfgrth htvghrnhepffehieffgedtgfffjeetveegfeekleeileekveeuteffteetudffveegieei heetnecuvehluhhsthgvrhfuihiivgepgeenucfrrghrrghmpehmrghilhhfrhhomheprh ihrghnsehtvghsthhtohgrshhtrdgtohhm X-ME-Proxy: Feedback-ID: idc0145fc:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 3 Jul 2024 06:56:18 -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 v2 11/23] drm: sun4i: de3: add YUV support to the TCON Date: Wed, 3 Jul 2024 22:51:01 +1200 Message-ID: <20240703105454.41254-12-ryan@testtoast.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240703105454.41254-1-ryan@testtoast.com> References: <20240703105454.41254-1-ryan@testtoast.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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",