From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v6 5/6] drm/tegra: output: rgb: Support LVDS encoder bridge Date: Tue, 9 Jun 2020 16:28:54 +0300 Message-ID: <20200609132855.20975-6-digetx@gmail.com> References: <20200609132855.20975-1-digetx@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200609132855.20975-1-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding , Sam Ravnborg , Laurent Pinchart , Rob Herring , Frank Rowand Cc: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org Newer Tegra device-trees will specify a video output graph, which involves LVDS encoder bridge. This patch adds support for the LVDS encoder bridge to the RGB output, allowing us to model the display hardware properly. Reviewed-by: Laurent Pinchart Acked-by: Sam Ravnborg Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/tegra/rgb.c | 58 +++++++++++++++++++++++++++++++------ 1 file changed, 49 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 0562a7eb793f..9a7024ec96bc 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -7,6 +7,7 @@ #include #include +#include #include #include @@ -267,24 +268,63 @@ int tegra_dc_rgb_remove(struct tegra_dc *dc) int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc) { struct tegra_output *output = dc->rgb; + struct drm_connector *connector; int err; if (!dc->rgb) return -ENODEV; - drm_connector_init(drm, &output->connector, &tegra_rgb_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - drm_connector_helper_add(&output->connector, - &tegra_rgb_connector_helper_funcs); - output->connector.dpms = DRM_MODE_DPMS_OFF; - drm_simple_encoder_init(drm, &output->encoder, DRM_MODE_ENCODER_LVDS); drm_encoder_helper_add(&output->encoder, &tegra_rgb_encoder_helper_funcs); - drm_connector_attach_encoder(&output->connector, - &output->encoder); - drm_connector_register(&output->connector); + /* + * Tegra devices that have LVDS panel utilize LVDS encoder bridge + * for converting up to 28 LCD LVTTL lanes into 5/4 LVDS lanes that + * go to display panel's receiver. + * + * Encoder usually have a power-down control which needs to be enabled + * in order to transmit data to the panel. Historically devices that + * use an older device-tree version didn't model the bridge, assuming + * that encoder is turned ON by default, while today's DRM allows us + * to model LVDS encoder properly. + * + * Newer device-trees utilize LVDS encoder bridge, which provides + * us with a connector and handles the display panel. + * + * For older device-trees we fall back to our own connector and use + * nvidia,panel phandle. + */ + if (output->bridge) { + err = drm_bridge_attach(&output->encoder, output->bridge, + NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (err) { + dev_err(output->dev, "failed to attach bridge: %d\n", + err); + return err; + } + + connector = drm_bridge_connector_init(drm, &output->encoder); + if (IS_ERR(connector)) { + dev_err(output->dev, + "failed to initialize bridge connector: %pe\n", + connector); + return PTR_ERR(connector); + } + + drm_connector_attach_encoder(connector, &output->encoder); + } else { + drm_connector_init(drm, &output->connector, + &tegra_rgb_connector_funcs, + DRM_MODE_CONNECTOR_LVDS); + drm_connector_helper_add(&output->connector, + &tegra_rgb_connector_helper_funcs); + output->connector.dpms = DRM_MODE_DPMS_OFF; + + drm_connector_attach_encoder(&output->connector, + &output->encoder); + drm_connector_register(&output->connector); + } err = tegra_output_init(drm, output); if (err < 0) { -- 2.26.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 194A7C433E1 for ; Tue, 9 Jun 2020 13:29:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E802C2074B for ; Tue, 9 Jun 2020 13:29:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="B49t0nxw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729001AbgFIN3k (ORCPT ); Tue, 9 Jun 2020 09:29:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57532 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728601AbgFIN3T (ORCPT ); Tue, 9 Jun 2020 09:29:19 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABEADC03E97C; Tue, 9 Jun 2020 06:29:17 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id a9so21494271ljn.6; Tue, 09 Jun 2020 06:29:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=bfaJuFdXozXDPR9zng+hgfPKlX3mT8FyISD1FTQ25bo=; b=B49t0nxwad7JuaDtw6XwwGP7olO4EUYZJRXtmgrvPkREm2Ppd7/QceX0WDCPyE0Gza g0G037SyTdG/CA6TLDbhNbMpBx4jZv8bARBAVbdLQD+96bEx4L6BLoJRbS+BEvJXYo6M +WuiqA/4Ec6gc/uaVLhtHwgRoFLgmuY2YoIfvL7HHhOqnBCpNCJC+HzqlyiEYwj3djgW hJyy/+4mowI8Oj8rnMciNF6fgDjXDcnnwXM55bO0BVTTrw7xSPwIYT0JnWRrhpeI3daO Pu5cMcvRR5afaFCVl6FBt+Ih5DImvS9wujXso75sKP6UVM9yaN9lNDkJGgUpvo1zcvqC 3EEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=bfaJuFdXozXDPR9zng+hgfPKlX3mT8FyISD1FTQ25bo=; b=qBM4oGdQ3uZIBvO2cgvHaqJnjY7lA2M9q/nXTNMuCP1exHcs5se4RJRvsD8dRQ/C/4 5zZWEratG9Jk+1BjNve9xrpfwc2wgy4mTYe2/lY2wGMdP/RUKF3J0tZuKh7EX6ynKHI9 zFWGoTbehf0Cap6AOXytfIs0mzva2mkww4ZmaD3yd0K/RHLOtFrD7pMz6oo6LHBNP4cK 8vFpw38dDa0X9J9ltEJuRCBzpMBNx8mbeMrcfBsOh5M329GZtO9ov+h6oZav4TFwxUPg UTTJHDZx+c7r9rF0E9zEKS65++oy9VeuqIhuhqva3rW2Wdz4sCPArn/o1xC1O1oVzfjw fTOQ== X-Gm-Message-State: AOAM533DIqUZD/XEJjg1/2MeEkATQAMJzsTSdCGR7RKxZcOfhi1lTp7l 7TUirX9A2qtdz+n27Kb0tNI= X-Google-Smtp-Source: ABdhPJyAWXTNCfEi8RFikv95/5IpuMDduRELo2UqM80wfXS3VGGWUgEySJcI0zefr2Z/3wNmmCONDQ== X-Received: by 2002:a2e:2a42:: with SMTP id q63mr1127043ljq.265.1591709356142; Tue, 09 Jun 2020 06:29:16 -0700 (PDT) Received: from localhost.localdomain (79-139-237-54.dynamic.spd-mgts.ru. [79.139.237.54]) by smtp.gmail.com with ESMTPSA id s8sm5069821lfc.83.2020.06.09.06.29.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 06:29:15 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Sam Ravnborg , Laurent Pinchart , Rob Herring , Frank Rowand Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 5/6] drm/tegra: output: rgb: Support LVDS encoder bridge Date: Tue, 9 Jun 2020 16:28:54 +0300 Message-Id: <20200609132855.20975-6-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200609132855.20975-1-digetx@gmail.com> References: <20200609132855.20975-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Newer Tegra device-trees will specify a video output graph, which involves LVDS encoder bridge. This patch adds support for the LVDS encoder bridge to the RGB output, allowing us to model the display hardware properly. Reviewed-by: Laurent Pinchart Acked-by: Sam Ravnborg Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/tegra/rgb.c | 58 +++++++++++++++++++++++++++++++------ 1 file changed, 49 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 0562a7eb793f..9a7024ec96bc 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -7,6 +7,7 @@ #include #include +#include #include #include @@ -267,24 +268,63 @@ int tegra_dc_rgb_remove(struct tegra_dc *dc) int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc) { struct tegra_output *output = dc->rgb; + struct drm_connector *connector; int err; if (!dc->rgb) return -ENODEV; - drm_connector_init(drm, &output->connector, &tegra_rgb_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - drm_connector_helper_add(&output->connector, - &tegra_rgb_connector_helper_funcs); - output->connector.dpms = DRM_MODE_DPMS_OFF; - drm_simple_encoder_init(drm, &output->encoder, DRM_MODE_ENCODER_LVDS); drm_encoder_helper_add(&output->encoder, &tegra_rgb_encoder_helper_funcs); - drm_connector_attach_encoder(&output->connector, - &output->encoder); - drm_connector_register(&output->connector); + /* + * Tegra devices that have LVDS panel utilize LVDS encoder bridge + * for converting up to 28 LCD LVTTL lanes into 5/4 LVDS lanes that + * go to display panel's receiver. + * + * Encoder usually have a power-down control which needs to be enabled + * in order to transmit data to the panel. Historically devices that + * use an older device-tree version didn't model the bridge, assuming + * that encoder is turned ON by default, while today's DRM allows us + * to model LVDS encoder properly. + * + * Newer device-trees utilize LVDS encoder bridge, which provides + * us with a connector and handles the display panel. + * + * For older device-trees we fall back to our own connector and use + * nvidia,panel phandle. + */ + if (output->bridge) { + err = drm_bridge_attach(&output->encoder, output->bridge, + NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (err) { + dev_err(output->dev, "failed to attach bridge: %d\n", + err); + return err; + } + + connector = drm_bridge_connector_init(drm, &output->encoder); + if (IS_ERR(connector)) { + dev_err(output->dev, + "failed to initialize bridge connector: %pe\n", + connector); + return PTR_ERR(connector); + } + + drm_connector_attach_encoder(connector, &output->encoder); + } else { + drm_connector_init(drm, &output->connector, + &tegra_rgb_connector_funcs, + DRM_MODE_CONNECTOR_LVDS); + drm_connector_helper_add(&output->connector, + &tegra_rgb_connector_helper_funcs); + output->connector.dpms = DRM_MODE_DPMS_OFF; + + drm_connector_attach_encoder(&output->connector, + &output->encoder); + drm_connector_register(&output->connector); + } err = tegra_output_init(drm, output); if (err < 0) { -- 2.26.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 670FEC433DF for ; Wed, 10 Jun 2020 07:36:40 +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 3CE82207ED for ; Wed, 10 Jun 2020 07:36:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="B49t0nxw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3CE82207ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 CC0A16E0CA; Wed, 10 Jun 2020 07:35:38 +0000 (UTC) Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id C105A6E2AF for ; Tue, 9 Jun 2020 13:29:17 +0000 (UTC) Received: by mail-lj1-x242.google.com with SMTP id e4so25073237ljn.4 for ; Tue, 09 Jun 2020 06:29:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=bfaJuFdXozXDPR9zng+hgfPKlX3mT8FyISD1FTQ25bo=; b=B49t0nxwad7JuaDtw6XwwGP7olO4EUYZJRXtmgrvPkREm2Ppd7/QceX0WDCPyE0Gza g0G037SyTdG/CA6TLDbhNbMpBx4jZv8bARBAVbdLQD+96bEx4L6BLoJRbS+BEvJXYo6M +WuiqA/4Ec6gc/uaVLhtHwgRoFLgmuY2YoIfvL7HHhOqnBCpNCJC+HzqlyiEYwj3djgW hJyy/+4mowI8Oj8rnMciNF6fgDjXDcnnwXM55bO0BVTTrw7xSPwIYT0JnWRrhpeI3daO Pu5cMcvRR5afaFCVl6FBt+Ih5DImvS9wujXso75sKP6UVM9yaN9lNDkJGgUpvo1zcvqC 3EEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=bfaJuFdXozXDPR9zng+hgfPKlX3mT8FyISD1FTQ25bo=; b=npqv0j5hR4fizIUelnolyL4cnOhFrBIp2v2osojuvOCE1AWX9H/LlXriYH0EwAV/gz RHInQCDMKuR5W7OGdoi2i66HHpeiXF8cOF5XJPR9ASMLbsZokVA53xr1xN5s2JpsVy7o tOs9WE/1U0JP7qOz3t+ObgWGi14WNIE0DAMFbOcHA0+76P5275SY6im61XO2gx52sML0 RBF+Sxg7wv+p34tKNvi5+ZcKPrFg8dMYFQ/GNf93uS13kI9TXhJE9KtqgLdzlCJlhq3k odAdkx3dKS7I6kjzv3GWNhbU7H5DicXNROsd0Mu8biV/EjaEYS8Ui7ygMoeaqlMqZ4Kj cRcg== X-Gm-Message-State: AOAM533DyY5AoEMQiUxSltoJXCd0s8UfHU/1ut1+5l+AefVnBcETt0gb Vka1ISKzbn4NbDRniI3X+HM= X-Google-Smtp-Source: ABdhPJyAWXTNCfEi8RFikv95/5IpuMDduRELo2UqM80wfXS3VGGWUgEySJcI0zefr2Z/3wNmmCONDQ== X-Received: by 2002:a2e:2a42:: with SMTP id q63mr1127043ljq.265.1591709356142; Tue, 09 Jun 2020 06:29:16 -0700 (PDT) Received: from localhost.localdomain (79-139-237-54.dynamic.spd-mgts.ru. [79.139.237.54]) by smtp.gmail.com with ESMTPSA id s8sm5069821lfc.83.2020.06.09.06.29.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 06:29:15 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Sam Ravnborg , Laurent Pinchart , Rob Herring , Frank Rowand Subject: [PATCH v6 5/6] drm/tegra: output: rgb: Support LVDS encoder bridge Date: Tue, 9 Jun 2020 16:28:54 +0300 Message-Id: <20200609132855.20975-6-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200609132855.20975-1-digetx@gmail.com> References: <20200609132855.20975-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 10 Jun 2020 07:35:32 +0000 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: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Newer Tegra device-trees will specify a video output graph, which involves LVDS encoder bridge. This patch adds support for the LVDS encoder bridge to the RGB output, allowing us to model the display hardware properly. Reviewed-by: Laurent Pinchart Acked-by: Sam Ravnborg Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/tegra/rgb.c | 58 +++++++++++++++++++++++++++++++------ 1 file changed, 49 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 0562a7eb793f..9a7024ec96bc 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -7,6 +7,7 @@ #include #include +#include #include #include @@ -267,24 +268,63 @@ int tegra_dc_rgb_remove(struct tegra_dc *dc) int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc) { struct tegra_output *output = dc->rgb; + struct drm_connector *connector; int err; if (!dc->rgb) return -ENODEV; - drm_connector_init(drm, &output->connector, &tegra_rgb_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - drm_connector_helper_add(&output->connector, - &tegra_rgb_connector_helper_funcs); - output->connector.dpms = DRM_MODE_DPMS_OFF; - drm_simple_encoder_init(drm, &output->encoder, DRM_MODE_ENCODER_LVDS); drm_encoder_helper_add(&output->encoder, &tegra_rgb_encoder_helper_funcs); - drm_connector_attach_encoder(&output->connector, - &output->encoder); - drm_connector_register(&output->connector); + /* + * Tegra devices that have LVDS panel utilize LVDS encoder bridge + * for converting up to 28 LCD LVTTL lanes into 5/4 LVDS lanes that + * go to display panel's receiver. + * + * Encoder usually have a power-down control which needs to be enabled + * in order to transmit data to the panel. Historically devices that + * use an older device-tree version didn't model the bridge, assuming + * that encoder is turned ON by default, while today's DRM allows us + * to model LVDS encoder properly. + * + * Newer device-trees utilize LVDS encoder bridge, which provides + * us with a connector and handles the display panel. + * + * For older device-trees we fall back to our own connector and use + * nvidia,panel phandle. + */ + if (output->bridge) { + err = drm_bridge_attach(&output->encoder, output->bridge, + NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (err) { + dev_err(output->dev, "failed to attach bridge: %d\n", + err); + return err; + } + + connector = drm_bridge_connector_init(drm, &output->encoder); + if (IS_ERR(connector)) { + dev_err(output->dev, + "failed to initialize bridge connector: %pe\n", + connector); + return PTR_ERR(connector); + } + + drm_connector_attach_encoder(connector, &output->encoder); + } else { + drm_connector_init(drm, &output->connector, + &tegra_rgb_connector_funcs, + DRM_MODE_CONNECTOR_LVDS); + drm_connector_helper_add(&output->connector, + &tegra_rgb_connector_helper_funcs); + output->connector.dpms = DRM_MODE_DPMS_OFF; + + drm_connector_attach_encoder(&output->connector, + &output->encoder); + drm_connector_register(&output->connector); + } err = tegra_output_init(drm, output); if (err < 0) { -- 2.26.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel