From patchwork Wed Jul 3 10:51:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Walklin X-Patchwork-Id: 13722006 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 09910C2BD09 for ; Wed, 3 Jul 2024 10:56:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 84EF510E7A9; Wed, 3 Jul 2024 10:56:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=testtoast.com header.i=@testtoast.com header.b="WfYbY2Rf"; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b="SYO3W6O9"; dkim-atps=neutral Received: from fhigh3-smtp.messagingengine.com (fhigh3-smtp.messagingengine.com [103.168.172.154]) by gabe.freedesktop.org (Postfix) with ESMTPS id 977CA10E7A8 for ; Wed, 3 Jul 2024 10:56:43 +0000 (UTC) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailfhigh.nyi.internal (Postfix) with ESMTP id 05800114031E; Wed, 3 Jul 2024 06:56:43 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Wed, 03 Jul 2024 06:56:43 -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=1720004203; x= 1720090603; bh=u7JdAqgGOvv2AISHssq4CRhDS9X48GQoVJ+VTUh1IMA=; b=W fYbY2RfkNTkzycyg+No8xnhMItCgEjYjzrdTRUvl/+3KOyfdloeJ9Vs4/siB9Ktk TB3p3zc8niaUgiRsgGmFHMJjSUFoOfSjK7DCrVwp6eVsLj66xS3S3dk3CztYNqJe XNkdAmpHsG6+Rxw+WPKbv+f3KVlXiORy3cQ0YFXqrKE76XQJqzB2L+UYlDz9wVME Qg5CYyM9gHWEUBUnPpJpSBvlGHB/c15mvTrAonAcToyyfhXR1OJUKhzaX8IWtZVE /9s1BESWgjfabAk8V9S8BT39PjECVT8lIEXIdvY2/0x/3iWfmDMkXjPCDrvsm66W pRR3+25bETswI6uqpUDnw== 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=1720004203; x= 1720090603; bh=u7JdAqgGOvv2AISHssq4CRhDS9X48GQoVJ+VTUh1IMA=; b=S YO3W6O9KTd2vOPJDhYrsUWY4MdBgBRcTms8/rGlA0onds1eBDlxD+vpQQR2bytt2 6FtGTHGzu22mtFdr4oXkZhV9dvC4m7oK/4fW6Ct9ItxchODU3S5k+I0MRh3QmLqN 9NtHi9yGPoO9ooTAttKwRXMbG8uZ/0aMO9fuWfpDU/yJENAn+2s9MNbVIMryxUVk +kmD26cJi3XQCXCQVNqDYZq4kI2esTlmHisD164xqvzWqAzxDKZu/04Q5fv9ZjKX SAWKmqIiYoMm7Mq44oBIIn0gsPqa0X4Eps+q5H8yyYzqaLPgBq52vo4l/BOko8m0 poEenc+stSDpwgriuoEOg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrudejgdefgecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvfevufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefthigrnhcu hggrlhhklhhinhcuoehrhigrnhesthgvshhtthhorghsthdrtghomheqnecuggftrfgrth htvghrnhepffehieffgedtgfffjeetveegfeekleeileekveeuteffteetudffveegieei heetnecuvehluhhsthgvrhfuihiivgepudenucfrrghrrghmpehmrghilhhfrhhomheprh ihrghnsehtvghsthhtohgrshhtrdgtohhm X-ME-Proxy: Feedback-ID: idc0145fc:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 3 Jul 2024 06:56:37 -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 14/23] drm: sun4i: de2/de3: refactor mixer initialisation Date: Wed, 3 Jul 2024 22:51:04 +1200 Message-ID: <20240703105454.41254-15-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" Now that the DE variant can be selected by enum, take the oppportunity to factor out some common initialisation code to a separate function. Signed-off-by: Jernej Skrabec Signed-off-by: Ryan Walklin Reviewed-by: Andre Przywara --- Changelog v1..v2: - Combine base register allocation and initialisation in sun8i_mixer_init - Whitespace fix --- drivers/gpu/drm/sun4i/sun8i_mixer.c | 66 +++++++++++++++-------------- 1 file changed, 35 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c index 7874b68786eee..e634827e16487 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c @@ -404,6 +404,38 @@ static int sun8i_mixer_of_get_id(struct device_node *node) return of_ep.id; } +static void sun8i_mixer_init(struct sun8i_mixer *mixer) +{ + unsigned int base = sun8i_blender_base(mixer); + int plane_cnt, i; + + /* Enable the mixer */ + regmap_write(mixer->engine.regs, SUN8I_MIXER_GLOBAL_CTL, + SUN8I_MIXER_GLOBAL_CTL_RT_EN); + + /* Set background color to black */ + regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_BKCOLOR(base), + SUN8I_MIXER_BLEND_COLOR_BLACK); + + /* + * Set fill color of bottom plane to black. Generally not needed + * except when VI plane is at bottom (zpos = 0) and enabled. + */ + regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base), + SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(0)); + regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, 0), + SUN8I_MIXER_BLEND_COLOR_BLACK); + + plane_cnt = mixer->cfg->vi_num + mixer->cfg->ui_num; + for (i = 0; i < plane_cnt; i++) + regmap_write(mixer->engine.regs, + SUN8I_MIXER_BLEND_MODE(base, i), + SUN8I_MIXER_BLEND_MODE_DEF); + + regmap_update_bits(mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base), + SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK, 0); +} + static int sun8i_mixer_bind(struct device *dev, struct device *master, void *data) { @@ -412,8 +444,6 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master, struct sun4i_drv *drv = drm->dev_private; struct sun8i_mixer *mixer; void __iomem *regs; - unsigned int base; - int plane_cnt; int i, ret; /* @@ -517,8 +547,6 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master, list_add_tail(&mixer->engine.list, &drv->engine_list); - base = sun8i_blender_base(mixer); - /* Reset registers and disable unused sub-engines */ if (mixer->cfg->de_type == sun8i_mixer_de3) { for (i = 0; i < DE3_MIXER_UNIT_SIZE; i += 4) @@ -534,7 +562,7 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master, regmap_write(mixer->engine.regs, SUN50I_MIXER_FMT_EN, 0); regmap_write(mixer->engine.regs, SUN50I_MIXER_CDC0_EN, 0); regmap_write(mixer->engine.regs, SUN50I_MIXER_CDC1_EN, 0); - } else { + } else if (mixer->cfg->de_type == sun8i_mixer_de2) { for (i = 0; i < DE2_MIXER_UNIT_SIZE; i += 4) regmap_write(mixer->engine.regs, i, 0); @@ -547,32 +575,8 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master, regmap_write(mixer->engine.regs, SUN8I_MIXER_DCSC_EN, 0); } - /* Enable the mixer */ - regmap_write(mixer->engine.regs, SUN8I_MIXER_GLOBAL_CTL, - SUN8I_MIXER_GLOBAL_CTL_RT_EN); - - /* Set background color to black */ - regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_BKCOLOR(base), - SUN8I_MIXER_BLEND_COLOR_BLACK); - - /* - * Set fill color of bottom plane to black. Generally not needed - * except when VI plane is at bottom (zpos = 0) and enabled. - */ - regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base), - SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(0)); - regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, 0), - SUN8I_MIXER_BLEND_COLOR_BLACK); - - plane_cnt = mixer->cfg->vi_num + mixer->cfg->ui_num; - for (i = 0; i < plane_cnt; i++) - regmap_write(mixer->engine.regs, - SUN8I_MIXER_BLEND_MODE(base, i), - SUN8I_MIXER_BLEND_MODE_DEF); - - regmap_update_bits(mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL(base), - SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK, 0); - + sun8i_mixer_init(mixer); + return 0; err_disable_bus_clk: