From patchwork Sat Feb 22 15:00:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 11398205 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A194B109A for ; Sat, 22 Feb 2020 15:03:06 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8080D206ED for ; Sat, 22 Feb 2020 15:03:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="fjJH8X60" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8080D206ED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 71D0C6E949; Sat, 22 Feb 2020 15:02:22 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 98C426E921 for ; Sat, 22 Feb 2020 15:02:09 +0000 (UTC) Received: from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi [81.175.216.236]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 1BA9840CB; Sat, 22 Feb 2020 16:02:06 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1582383726; bh=6lbdO4VQnLz+O5T2YeOq/PB102kaTIK4sRDxdIBTD10=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fjJH8X60+/BvvSDtvKb5Am3Lo70vt3oTX3o4tXaE7QDzegTpWpVl4xoT3InAg9v2Y eKAzmAeJJQHgwB/GW9F7WArkfQV/Ur5tboS/Eaefcm3bM4j03Meyc/Ms6T37ivvG0s lm9SHICqzGs5o2wUj/96mTAGMatFX9whkekv1Ea0= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH v7 38/54] drm/omap: Create connector for bridges Date: Sat, 22 Feb 2020 17:00:50 +0200 Message-Id: <20200222150106.22919-39-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200222150106.22919-1-laurent.pinchart@ideasonboard.com> References: <20200222150106.22919-1-laurent.pinchart@ideasonboard.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: , Cc: Tomi Valkeinen , Sam Ravnborg , Sebastian Reichel , Boris Brezillon Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Use the drm_bridge_connector helper to create a connector for pipelines that use drm_bridge. This allows splitting connector operations across multiple bridges when necessary, instead of having the last bridge in the chain creating the connector and handling all connector operations internally. Signed-off-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen Tested-by: Sebastian Reichel Reviewed-by: Sebastian Reichel --- Changes since v3: - Remove outdated comment Changes since v1: - Squash with patch "drm/omap: Detach from panels at remove time" --- drivers/gpu/drm/omapdrm/omap_drv.c | 74 +++++++++++++++++++++++++----- 1 file changed, 62 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 1df509342b5d..47afa37055b3 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -12,10 +12,12 @@ #include #include #include +#include #include #include #include #include +#include #include #include #include @@ -291,9 +293,14 @@ static int omap_modeset_init(struct drm_device *dev) if (pipe->output->bridge) { ret = drm_bridge_attach(pipe->encoder, - pipe->output->bridge, NULL, 0); - if (ret < 0) + pipe->output->bridge, NULL, + DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (ret < 0) { + dev_err(priv->dev, + "unable to attach bridge %pOF\n", + pipe->output->bridge->of_node); return ret; + } } id = omap_display_id(pipe->output); @@ -329,8 +336,23 @@ static int omap_modeset_init(struct drm_device *dev) encoder); if (!pipe->connector) return -ENOMEM; + } else { + pipe->connector = drm_bridge_connector_init(dev, encoder); + if (IS_ERR(pipe->connector)) { + dev_err(priv->dev, + "unable to create bridge connector for %s\n", + pipe->output->name); + return PTR_ERR(pipe->connector); + } + } - drm_connector_attach_encoder(pipe->connector, encoder); + drm_connector_attach_encoder(pipe->connector, encoder); + + if (pipe->output->panel) { + ret = drm_panel_attach(pipe->output->panel, + pipe->connector); + if (ret < 0) + return ret; } crtc = omap_crtc_init(dev, pipe, priv->planes[i]); @@ -369,6 +391,23 @@ static int omap_modeset_init(struct drm_device *dev) return 0; } +static void omap_modeset_fini(struct drm_device *ddev) +{ + struct omap_drm_private *priv = ddev->dev_private; + unsigned int i; + + omap_drm_irq_uninstall(ddev); + + for (i = 0; i < priv->num_pipes; i++) { + struct omap_drm_pipeline *pipe = &priv->pipes[i]; + + if (pipe->output->panel) + drm_panel_detach(pipe->output->panel); + } + + drm_mode_config_cleanup(ddev); +} + /* * Enable the HPD in external components if supported */ @@ -378,8 +417,15 @@ static void omap_modeset_enable_external_hpd(struct drm_device *ddev) unsigned int i; for (i = 0; i < priv->num_pipes; i++) { - if (priv->pipes[i].connector) - omap_connector_enable_hpd(priv->pipes[i].connector); + struct drm_connector *connector = priv->pipes[i].connector; + + if (!connector) + continue; + + if (priv->pipes[i].output->next) + omap_connector_enable_hpd(connector); + else + drm_bridge_connector_enable_hpd(connector); } } @@ -392,8 +438,15 @@ static void omap_modeset_disable_external_hpd(struct drm_device *ddev) unsigned int i; for (i = 0; i < priv->num_pipes; i++) { - if (priv->pipes[i].connector) - omap_connector_disable_hpd(priv->pipes[i].connector); + struct drm_connector *connector = priv->pipes[i].connector; + + if (!connector) + continue; + + if (priv->pipes[i].output->next) + omap_connector_disable_hpd(connector); + else + drm_bridge_connector_disable_hpd(connector); } } @@ -616,8 +669,7 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) omap_fbdev_fini(ddev); err_cleanup_modeset: - drm_mode_config_cleanup(ddev); - omap_drm_irq_uninstall(ddev); + omap_modeset_fini(ddev); err_gem_deinit: omap_gem_deinit(ddev); destroy_workqueue(priv->wq); @@ -642,9 +694,7 @@ static void omapdrm_cleanup(struct omap_drm_private *priv) drm_atomic_helper_shutdown(ddev); - drm_mode_config_cleanup(ddev); - - omap_drm_irq_uninstall(ddev); + omap_modeset_fini(ddev); omap_gem_deinit(ddev); destroy_workqueue(priv->wq);