From nobody Wed Dec 31 18:21:27 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49900C00142 for ; Tue, 31 Oct 2023 16:53:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347012AbjJaQxO (ORCPT ); Tue, 31 Oct 2023 12:53:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346853AbjJaQwR (ORCPT ); Tue, 31 Oct 2023 12:52:17 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 656D7D47; Tue, 31 Oct 2023 09:49:46 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B02DCC433C9; Tue, 31 Oct 2023 16:49:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698770986; bh=+5JYn8V0UryLv4NGrPj7TOsjDrccf86rOvDhC/BodNA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Fmlxd2j7TarJj7cZgvHurAprHk03ACpUsmgw7Y1DpEBYdVphqtdyFv0o8kKNvTg9g gf9K1g4RF/QncoudobV4IgACWRPL5UMABqKubkM1KBM8E5kOeVBonQ6skXOgYLUlYX TFs62Bcp3B24tySdE6Ko/5JmW54Se+UpYlr4oNdWRj9Eoioj0iYM9OKydVTypqClBV Wz+SLn8+aKBrH3g3tH/2a4Xh++GtZ/S/tLVgHZN5zEMQtTnBCejdaZ/WX6PCHdaORM ACogEo43K54Sp4rG6f4J/t7GFvzTeEc0rDP9GC8a1D0MXJOER21fAbG8WyiGldr+Oz fx5yeUu5qrOmQ== From: Maxime Ripard Date: Tue, 31 Oct 2023 17:48:38 +0100 Subject: [PATCH RFC v3 25/37] drm/rockchip: inno_hdmi: Remove tmds rate from structure MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231031-kms-hdmi-connector-state-v3-25-328b0fae43a7@kernel.org> References: <20231031-kms-hdmi-connector-state-v3-0-328b0fae43a7@kernel.org> In-Reply-To: <20231031-kms-hdmi-connector-state-v3-0-328b0fae43a7@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Emma Anholt , Jonathan Corbet , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Hans Verkuil , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, Maxime Ripard X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2323; i=mripard@kernel.org; h=from:subject:message-id; bh=+5JYn8V0UryLv4NGrPj7TOsjDrccf86rOvDhC/BodNA=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDKmO+veziy5EW4ZNWVxoKfle55WA6pOWtMY4n91yqydar HgppC/TUcrCIMbFICumyBIjbL4k7tSs151sfPNg5rAygQxh4OIUgImkX2ZkWKE02yToiO2J1IwA xvKNzaZH2ZY6/ZL1e892PSbLX+vrIUaGE75TJmb96vY8WnJGJePfTcaowImfcng6NZtz+46s+q/ BBAA= X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The tmds_rate field in the inno_hdmi structure is used mostly to configure the internal i2c controller divider through a call to the inno_hdmi_i2c_init() function. We can simply make that rate an argument to that function, which also removes a workaround to initialize the divider at probe time when we don't have a mode yet. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/rockchip/inno_hdmi.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchi= p/inno_hdmi.c index f05417c6b637..35f44e556fcf 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -50,8 +50,6 @@ struct inno_hdmi { =20 struct inno_hdmi_i2c *i2c; struct i2c_adapter *ddc; - - unsigned int tmds_rate; }; =20 static struct inno_hdmi *encoder_to_inno_hdmi(struct drm_encoder *encoder) @@ -155,11 +153,11 @@ static inline void hdmi_modb(struct inno_hdmi *hdmi, = u16 offset, hdmi_writeb(hdmi, offset, temp); } =20 -static void inno_hdmi_i2c_init(struct inno_hdmi *hdmi) +static void inno_hdmi_i2c_init(struct inno_hdmi *hdmi, unsigned long long = rate) { - int ddc_bus_freq; + unsigned long long ddc_bus_freq =3D rate >> 2; =20 - ddc_bus_freq =3D (hdmi->tmds_rate >> 2) / HDMI_SCL_RATE; + do_div(ddc_bus_freq, HDMI_SCL_RATE); =20 hdmi_writeb(hdmi, DDC_BUS_FREQ_L, ddc_bus_freq & 0xFF); hdmi_writeb(hdmi, DDC_BUS_FREQ_H, (ddc_bus_freq >> 8) & 0xFF); @@ -389,8 +387,7 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi, * DCLK_LCDC, so we need to init the TMDS rate to mode pixel * clock rate, and reconfigure the DDC clock. */ - hdmi->tmds_rate =3D mode->clock * 1000; - inno_hdmi_i2c_init(hdmi); + inno_hdmi_i2c_init(hdmi, mode->clock * 1000); =20 /* Unmute video and audio output */ hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK, @@ -768,8 +765,7 @@ static int inno_hdmi_bind(struct device *dev, struct de= vice *master, * PCLK_HDMI, so we need to init the TMDS rate to PCLK rate, * and reconfigure the DDC clock. */ - hdmi->tmds_rate =3D clk_get_rate(hdmi->pclk); - inno_hdmi_i2c_init(hdmi); + inno_hdmi_i2c_init(hdmi, clk_get_rate(hdmi->pclk)); =20 ret =3D inno_hdmi_register(drm, hdmi); if (ret) --=20 2.41.0