From patchwork Tue Nov 28 10:24:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 13470945 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 E3AA0C4167B for ; Tue, 28 Nov 2023 10:28:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=TqULoYtXIoQ8T21UmAruptG78xRw9seSyKk1n+AYA2E=; b=SDEslPyIKJXg7U yRXKgp/XbXE4TkM2q3gmQjJyYDCieotLgfllECd6ivK/HXwMBwsOAE48ZOuk7SGv2RW46LKK/BpQf f2PuctZaTGGDC6iTiTtM48ZwJbv2lqA/KTIMicEU4A5mCqkHgvgQMyqiORFzR84kF/RcOImyrFVn2 0u/aVyvGLdmxAn7s8Gl8t7iXEsjbHOgcwg73XIYNdmKhPTc615Eoj1N+B+KKnsFGVFyiGsfIq0T1R d1p3IZeP3jRHgauQCCzr2R7tSIvY0lbfW05tweJpttsaEEEhQq9hpfs7HvFtX2fuhi6EkXtj9mK+P RtvjN13uyFIqSzgeEsZw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r7vKe-004v7b-23; Tue, 28 Nov 2023 10:28:44 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r7vIW-004tCm-35; Tue, 28 Nov 2023 10:26:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id EAB26CE193B; Tue, 28 Nov 2023 10:26:30 +0000 (UTC) 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231128_022633_478207_59929EF1 X-CRM114-Status: GOOD ( 18.98 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.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) -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 = drm_connector_to_sun4i_hdmi(connector); + int i; - ret = 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 != HDMI_INFOFRAME_TYPE_AVI) { + drm_err(connector->dev, + "Unsupported infoframe type: %u\n", type); + return 0; } - ret = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); - if (ret < 0) { - DRM_ERROR("Failed to pack infoframes\n"); - return ret; - } - - for (i = 0; i < sizeof(buffer); i++) + for (i = 0; i < len; i++) writeb(buffer[i], hdmi->base + SUN4I_HDMI_AVI_INFOFRAME_REG(i)); return 0; + } static void sun4i_hdmi_disable(struct drm_encoder *encoder, @@ -82,14 +76,18 @@ static void sun4i_hdmi_enable(struct drm_encoder *encoder, { struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; struct sun4i_hdmi *hdmi = drm_encoder_to_sun4i_hdmi(encoder); - struct drm_display_info *display = &hdmi->connector.display_info; + struct drm_connector *connector = &hdmi->connector; + struct drm_display_info *display = &connector->display_info; + struct drm_connector_state *conn_state = + drm_atomic_get_new_connector_state(state, connector); + unsigned long long tmds_rate = conn_state->hdmi.tmds_char_rate; unsigned int x, y; u32 val = 0; DRM_DEBUG_DRIVER("Enabling the HDMI Output\n"); - 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); /* Set input sync enable */ writel(SUN4I_HDMI_UNKNOWN_INPUT_SYNC, @@ -142,7 +140,8 @@ static void sun4i_hdmi_enable(struct drm_encoder *encoder, clk_prepare_enable(hdmi->tmds_clk); - sun4i_hdmi_setup_avi_infoframes(hdmi, mode); + drm_atomic_helper_connector_hdmi_update_infoframes(connector, state); + val |= SUN4I_HDMI_PKT_CTRL_TYPE(0, SUN4I_HDMI_PKT_AVI); val |= 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; status = sun4i_hdmi_connector_clock_valid(connector, mode, - mode->clock * 1000); + conn_state->hdmi.tmds_char_rate); if (status != MODE_OK) return -EINVAL; @@ -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 = + drm_connector_hdmi_compute_mode_clock(mode, 8, + HDMI_COLORSPACE_RGB); + + return sun4i_hdmi_connector_clock_valid(connector, mode, rate); } static int sun4i_hdmi_get_modes(struct drm_connector *connector) @@ -253,6 +255,11 @@ static struct i2c_adapter *sun4i_hdmi_get_ddc(struct device *dev) return ddc; } +static const struct drm_connector_hdmi_funcs sun4i_hdmi_hdmi_connector_funcs = { + .tmds_char_rate_valid = sun4i_hdmi_connector_clock_valid, + .write_infoframe = sun4i_hdmi_write_infoframe, +}; + static const struct drm_connector_helper_funcs sun4i_hdmi_connector_helper_funcs = { .atomic_check = sun4i_hdmi_connector_atomic_check, .mode_valid = sun4i_hdmi_connector_mode_valid, @@ -274,11 +281,17 @@ sun4i_hdmi_connector_detect(struct drm_connector *connector, bool force) return connector_status_connected; } +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 = { .detect = sun4i_hdmi_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = drm_connector_cleanup, - .reset = drm_atomic_helper_connector_reset, + .reset = sun4i_hdmi_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; @@ -637,10 +650,19 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master, drm_connector_helper_add(&hdmi->connector, &sun4i_hdmi_connector_helper_funcs); - ret = drm_connector_init_with_ddc(drm, &hdmi->connector, - &sun4i_hdmi_connector_funcs, - DRM_MODE_CONNECTOR_HDMIA, - hdmi->ddc_i2c); + ret = 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");