From nobody Wed Dec 17 10:56:01 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 9A2A4C4167B for ; Tue, 28 Nov 2023 10:30:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343633AbjK1Kae (ORCPT ); Tue, 28 Nov 2023 05:30:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234926AbjK1K3m (ORCPT ); Tue, 28 Nov 2023 05:29:42 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E6621B9 for ; Tue, 28 Nov 2023 02:26:30 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D49ACC433CB; Tue, 28 Nov 2023 10:26:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701167190; bh=3B4cKJeyaHEA4qnMRAdXt6vbTh9xnPoZLjBoO+s6BVk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=UviENr0KU7qEqL8RRpEUOEGTsRHP+8x/a97x4AOGceNrPhzwqUozmS/ShjhNz+z5N Iklo9xyQxHGH51jVntqdKtGBdHs4jv1JKidhc9aYfssSpDHL9ykrpO7psGNMU85xWa VPBuFXhmXo+lD7C31YoUmuqWe+RSrjLTOM/UgrYEfGVt0pHPCbSD8qpldFJ/51YnMt 2z3lZRPkApBp0mXsatxoB8WGTxmahn9GFsKMjS6eSW2nMgySZG0zzcVA8ZCQ7T7LJf /mGln/pjKoQBC8bqLFRKs6WGBQxtJ22+ufy9UtAJ9BVrHY2wjFbBhEpfy/A+nLfNTB iE6nbGPqrU22A== From: Maxime Ripard Date: Tue, 28 Nov 2023 11:24:56 +0100 Subject: [PATCH v4 45/45] drm/sun4i: hdmi: Switch to HDMI connector MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231128-kms-hdmi-connector-state-v4-45-c7602158306e@kernel.org> References: <20231128-kms-hdmi-connector-state-v4-0-c7602158306e@kernel.org> In-Reply-To: <20231128-kms-hdmi-connector-state-v4-0-c7602158306e@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=6185; i=mripard@kernel.org; h=from:subject:message-id; bh=3B4cKJeyaHEA4qnMRAdXt6vbTh9xnPoZLjBoO+s6BVk=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDKmp+y8vi7i530nsylKvjZdE7N2CNy/Sb58vsKApymPN+ 2v9cRWcHaUsDGJcDLJiiiwxwuZL4k7Net3JxjcPZg4rE8gQBi5OAZhI3iKG/0nu7SqTZYRYr/Rv W2X0XvrR9aPu2Svk3k089GuJlwSj8AaGf9oMH5VW3zuXELvmwYQls4IyF3J6X9x2Tqjva0HlTC6 DNlYA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The new HDMI connector infrastructure allows to remove some boilerplate, especially to generate infoframes. Let's switch to it. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 80 ++++++++++++++++++++++--------= ---- 1 file changed, 51 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i= /sun4i_hdmi_enc.c index b7cf369b1906..8a9106a39f23 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c @@ -36,30 +36,24 @@ #define drm_connector_to_sun4i_hdmi(c) \ container_of_const(c, struct sun4i_hdmi, connector) =20 -static int sun4i_hdmi_setup_avi_infoframes(struct sun4i_hdmi *hdmi, - struct drm_display_mode *mode) +static int sun4i_hdmi_write_infoframe(struct drm_connector *connector, + enum hdmi_infoframe_type type, + const u8 *buffer, size_t len) { - struct hdmi_avi_infoframe frame; - u8 buffer[17]; - int i, ret; + struct sun4i_hdmi *hdmi =3D drm_connector_to_sun4i_hdmi(connector); + int i; =20 - ret =3D drm_hdmi_avi_infoframe_from_display_mode(&frame, - &hdmi->connector, mode); - if (ret < 0) { - DRM_ERROR("Failed to get infoframes from mode\n"); - return ret; + if (type !=3D HDMI_INFOFRAME_TYPE_AVI) { + drm_err(connector->dev, + "Unsupported infoframe type: %u\n", type); + return 0; } =20 - ret =3D hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); - if (ret < 0) { - DRM_ERROR("Failed to pack infoframes\n"); - return ret; - } - - for (i =3D 0; i < sizeof(buffer); i++) + for (i =3D 0; i < len; i++) writeb(buffer[i], hdmi->base + SUN4I_HDMI_AVI_INFOFRAME_REG(i)); =20 return 0; + } =20 static void sun4i_hdmi_disable(struct drm_encoder *encoder, @@ -82,14 +76,18 @@ static void sun4i_hdmi_enable(struct drm_encoder *encod= er, { struct drm_display_mode *mode =3D &encoder->crtc->state->adjusted_mode; struct sun4i_hdmi *hdmi =3D drm_encoder_to_sun4i_hdmi(encoder); - struct drm_display_info *display =3D &hdmi->connector.display_info; + struct drm_connector *connector =3D &hdmi->connector; + struct drm_display_info *display =3D &connector->display_info; + struct drm_connector_state *conn_state =3D + drm_atomic_get_new_connector_state(state, connector); + unsigned long long tmds_rate =3D conn_state->hdmi.tmds_char_rate; unsigned int x, y; u32 val =3D 0; =20 DRM_DEBUG_DRIVER("Enabling the HDMI Output\n"); =20 - clk_set_rate(hdmi->mod_clk, mode->crtc_clock * 1000); - clk_set_rate(hdmi->tmds_clk, mode->crtc_clock * 1000); + clk_set_rate(hdmi->mod_clk, tmds_rate); + clk_set_rate(hdmi->tmds_clk, tmds_rate); =20 /* Set input sync enable */ writel(SUN4I_HDMI_UNKNOWN_INPUT_SYNC, @@ -142,7 +140,8 @@ static void sun4i_hdmi_enable(struct drm_encoder *encod= er, =20 clk_prepare_enable(hdmi->tmds_clk); =20 - sun4i_hdmi_setup_avi_infoframes(hdmi, mode); + drm_atomic_helper_connector_hdmi_update_infoframes(connector, state); + val |=3D SUN4I_HDMI_PKT_CTRL_TYPE(0, SUN4I_HDMI_PKT_AVI); val |=3D SUN4I_HDMI_PKT_CTRL_TYPE(1, SUN4I_HDMI_PKT_END); writel(val, hdmi->base + SUN4I_HDMI_PKT_CTRL_REG(0)); @@ -195,7 +194,7 @@ static int sun4i_hdmi_connector_atomic_check(struct drm= _connector *connector, enum drm_mode_status status; =20 status =3D sun4i_hdmi_connector_clock_valid(connector, mode, - mode->clock * 1000); + conn_state->hdmi.tmds_char_rate); if (status !=3D MODE_OK) return -EINVAL; =20 @@ -206,8 +205,11 @@ static enum drm_mode_status sun4i_hdmi_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - return sun4i_hdmi_connector_clock_valid(connector, mode, - mode->clock * 1000); + unsigned long long rate =3D + drm_connector_hdmi_compute_mode_clock(mode, 8, + HDMI_COLORSPACE_RGB); + + return sun4i_hdmi_connector_clock_valid(connector, mode, rate); } =20 static int sun4i_hdmi_get_modes(struct drm_connector *connector) @@ -253,6 +255,11 @@ static struct i2c_adapter *sun4i_hdmi_get_ddc(struct d= evice *dev) return ddc; } =20 +static const struct drm_connector_hdmi_funcs sun4i_hdmi_hdmi_connector_fun= cs =3D { + .tmds_char_rate_valid =3D sun4i_hdmi_connector_clock_valid, + .write_infoframe =3D sun4i_hdmi_write_infoframe, +}; + static const struct drm_connector_helper_funcs sun4i_hdmi_connector_helper= _funcs =3D { .atomic_check =3D sun4i_hdmi_connector_atomic_check, .mode_valid =3D sun4i_hdmi_connector_mode_valid, @@ -274,11 +281,17 @@ sun4i_hdmi_connector_detect(struct drm_connector *con= nector, bool force) return connector_status_connected; } =20 +static void sun4i_hdmi_connector_reset(struct drm_connector *connector) +{ + drm_atomic_helper_connector_reset(connector); + __drm_atomic_helper_connector_hdmi_reset(connector, connector->state); +} + static const struct drm_connector_funcs sun4i_hdmi_connector_funcs =3D { .detect =3D sun4i_hdmi_connector_detect, .fill_modes =3D drm_helper_probe_single_connector_modes, .destroy =3D drm_connector_cleanup, - .reset =3D drm_atomic_helper_connector_reset, + .reset =3D sun4i_hdmi_connector_reset, .atomic_duplicate_state =3D drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state =3D drm_atomic_helper_connector_destroy_state, }; @@ -637,10 +650,19 @@ static int sun4i_hdmi_bind(struct device *dev, struct= device *master, =20 drm_connector_helper_add(&hdmi->connector, &sun4i_hdmi_connector_helper_funcs); - ret =3D drm_connector_init_with_ddc(drm, &hdmi->connector, - &sun4i_hdmi_connector_funcs, - DRM_MODE_CONNECTOR_HDMIA, - hdmi->ddc_i2c); + ret =3D drmm_connector_hdmi_init(drm, &hdmi->connector, + /* + * NOTE: Those are likely to be + * wrong, but I couldn't find the + * actual ones in the BSP. + */ + "AW", "HDMI", + &sun4i_hdmi_connector_funcs, + &sun4i_hdmi_hdmi_connector_funcs, + DRM_MODE_CONNECTOR_HDMIA, + hdmi->ddc_i2c, + BIT(HDMI_COLORSPACE_RGB), + 8); if (ret) { dev_err(dev, "Couldn't initialise the HDMI connector\n"); --=20 2.41.0