From patchwork Fri Feb 11 22:40:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 541875 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 314AFC433FE for ; Fri, 11 Feb 2022 22:40:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235884AbiBKWkM (ORCPT ); Fri, 11 Feb 2022 17:40:12 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238734AbiBKWkL (ORCPT ); Fri, 11 Feb 2022 17:40:11 -0500 Received: from mail-lj1-x22f.google.com (mail-lj1-x22f.google.com [IPv6:2a00:1450:4864:20::22f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA6CED62 for ; Fri, 11 Feb 2022 14:40:09 -0800 (PST) Received: by mail-lj1-x22f.google.com with SMTP id o17so14419428ljp.1 for ; Fri, 11 Feb 2022 14:40:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wQf3XP4BZfuzc3ylEELAJ2OjaNg6jTxSBCBJwv6w5qM=; b=DHUDXkodYg67FoSIT/jyDwu8mai51ctlRRP+iWjmYaBMn7H74cJ0iXyxOMtA9CdYf2 Dvo+Ly8DjcW/FBEf1N9HChiPIEVIoKSslEznKV/Mk1Fg8PkonubmzrZzhCc9I79/bpgl Thahc/0zhXOY9qlHD1SSp9lQOtG5HjWGL/7dqnlFjqL1/YsiHUYByNo+6mgNLkxV3p6U RfL6A2HepzBInkrjkCUSYRUE1Jv0UM72YLFjGpaj3xDKQEhwOvHam0Au3aOZ3vc1bkOv XHog+VMigQ4eCHAfiGf5YGfgTGPQEquGI3Kk+8/TwT0RVr7WfiAoF9+B88gM5J3hcV4L estg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wQf3XP4BZfuzc3ylEELAJ2OjaNg6jTxSBCBJwv6w5qM=; b=ajqZYJDjmdgPhKJoIv9Fcbq5DAXVLA7MLUx87X+rrbt1u+YmP/dRudz1Z3GbgxbPAl 3lhHK+OXhKVMoQuSvCXy197WIZtpCle3fAiKUi4QWMKBSwUS58vkKPn7M379RSL6332l KYmgCc2wBq6qUnvv9sbPRzVXtQW5Hi7eJshOdkPBxZfiW8wZW5lYqQcl1B98o/f5BHCp ilqsaCIM8xDr1NTlmU4ZvAzaFJxsFufJQqobA/3ifrIuAzxUwgVQ9G44uIo7anweg6ko Ag+lo7Fs68BEO2C8pH80jwi0cd27aIG6u+C3a+qs9XePdns1+tUzNc1IvrPWhI5Th6I3 ZkQg== X-Gm-Message-State: AOAM532o002miKNc+fK9hvpoF+KlgyqqFfDQdPzzPfGbLJ4mI8XvoGTA MaC9bXN1rmy/tU7TgFxt/YkraA== X-Google-Smtp-Source: ABdhPJyGY6YZViUMDnHZZ7OR3CbJA9wYqdkelPBYfJ3WWwaqTKia3n3PZZK3fvt6ud9y9cz/ZvidYA== X-Received: by 2002:a2e:5810:: with SMTP id m16mr2204599ljb.261.1644619208126; Fri, 11 Feb 2022 14:40:08 -0800 (PST) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id a6sm3319983ljb.93.2022.02.11.14.40.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Feb 2022 14:40:07 -0800 (PST) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar , Kuogee Hsieh Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [RFC PATCH v2 1/5] drm/msm/dp: fix panel bridge attachment Date: Sat, 12 Feb 2022 01:40:02 +0300 Message-Id: <20220211224006.1797846-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> References: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org In commit 8a3b4c17f863 ("drm/msm/dp: employ bridge mechanism for display enable and disable") the DP driver received a drm_bridge instance, which is always attached to the encoder as a root bridge. However it conflicts with the panel_bridge support for eDP panels. The panel bridge attaches to the encoder before the "dp" bridge has a chace to do so. Change panel_bridge attachment to come after dp_bridge attachment. Fixes: 8a3b4c17f863 ("drm/msm/dp: employ bridge mechanism for display enable and disable") Cc: Kuogee Hsieh Signed-off-by: Dmitry Baryshkov Tested-by: Kuogee Hsieh Reviewed-by: Stephen Boyd --- drivers/gpu/drm/msm/dp/dp_drm.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index d4d360d19eba..26ef41a4c1b6 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -169,16 +169,6 @@ struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display) drm_connector_attach_encoder(connector, dp_display->encoder); - if (dp_display->panel_bridge) { - ret = drm_bridge_attach(dp_display->encoder, - dp_display->panel_bridge, NULL, - DRM_BRIDGE_ATTACH_NO_CONNECTOR); - if (ret < 0) { - DRM_ERROR("failed to attach panel bridge: %d\n", ret); - return ERR_PTR(ret); - } - } - return connector; } @@ -246,5 +236,16 @@ struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_devi return ERR_PTR(rc); } + if (dp_display->panel_bridge) { + rc = drm_bridge_attach(dp_display->encoder, + dp_display->panel_bridge, bridge, + DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (rc < 0) { + DRM_ERROR("failed to attach panel bridge: %d\n", rc); + drm_bridge_remove(bridge); + return ERR_PTR(rc); + } + } + return bridge; } From patchwork Fri Feb 11 22:40:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 542190 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 32EE7C433F5 for ; Fri, 11 Feb 2022 22:40:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346657AbiBKWkN (ORCPT ); Fri, 11 Feb 2022 17:40:13 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238734AbiBKWkN (ORCPT ); Fri, 11 Feb 2022 17:40:13 -0500 Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6ECED61 for ; Fri, 11 Feb 2022 14:40:10 -0800 (PST) Received: by mail-lf1-x12b.google.com with SMTP id o2so19275335lfd.1 for ; Fri, 11 Feb 2022 14:40:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6MuToI+AtPTkDW3n8E622FciNL++kHbqA2jvYbU4GMc=; b=Is77PA2GuHi1v0TsAP/eKKC0RAIj1Gu2uqklot7h9Qg5jFPP6/JiQwb3etMeiVCNHS TMNh23Z0bOzBjwkvLfB2eHC5P/zGH69inkDyaFilqwuyvWpMKEagZtvwrAvhcg5KVE8l nqIW6EvQJbXsl0H8oGuwBUsy1QABBkb8sVlciPZTirkV9+iNgGxlrp4dZtst2JE9gN6Y 1/ENQwJmUrg+b9sHbZWTbdoJ1o6D5PpkOwFsihWbXp43+m1lEcwYTe5IZ3PwBfQaDqVK vFMlGafAvc8Njf36SB1Rvjqu+HEc6fK8pVS5Dl1JbBOCwCbiiu0j4siBdD2avLDewRLH InIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6MuToI+AtPTkDW3n8E622FciNL++kHbqA2jvYbU4GMc=; b=5qB1oj9JD50DoGyWsU80MUlgCXyrSaWasQrDVfkao9MiflvFom4wgxosQ/FNJVcuDy MQYHAMpUDimGaP1uBJR/y94A9uiLHZMNw0wlhnMFloXD9GKYLA9+qIFoXjH01uk8gSyL GZkUrzith2VwYlOpl75nLJvvXA7wVMbP0z2c/odPAhbC3jJdGvbPET7WCrKkFy8o7Ztu 5KKNW4h7NHCPJwfkYmO+wdxOOMzP3JJvAuKUff9KUdzSNFCFWOn9Vy8QamACG9hgX1SF 8fjFtVpQMGHKMftzxlfvKT8xzv99syxWgvRPCATkvk5OsMsUm0I57pbHTNr2PlTRfq6b jENA== X-Gm-Message-State: AOAM531ibDnwrhvffJUIRd0ip0bHjfM4dckVsunktJD1t15OxWrkMZtQ 9eepMc5muvvp1BEZonBeo5s3ZQ== X-Google-Smtp-Source: ABdhPJx2W+09oTWn5ekIlv65NXgZdgkKiQsc5AtA+Bj3byku10MuWwhxeINzJ3H9sda6/avRM6U+aQ== X-Received: by 2002:a05:6512:3186:: with SMTP id i6mr2700451lfe.47.1644619209016; Fri, 11 Feb 2022 14:40:09 -0800 (PST) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id a6sm3319983ljb.93.2022.02.11.14.40.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Feb 2022 14:40:08 -0800 (PST) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar , Kuogee Hsieh Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [RFC PATCH v2 2/5] drm/msm/dp: support attaching bridges to the DP encoder Date: Sat, 12 Feb 2022 01:40:03 +0300 Message-Id: <20220211224006.1797846-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> References: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently DP driver will allocate panel bridge for eDP panels. This supports only the following topology: - eDP encoder ⇒ eDP panel (wrapped using panel-bridge) Simplify this code to just check if there is any next bridge in the chain (be it a panel bridge or regular bridge). Rename panel_bridge field to next_bridge accordingly. This allows one to use e.g. one of the following display topologies: - eDP encoder ⇒ ptn3460 ⇒ fixed LVDS panel - eDP encoder ⇒ ptn3460 ⇒ LVDS connector with EDID lines for panel autodetect - eDP encoder ⇒ ptn3460 ⇒ THC63LVD1024 ⇒ DPI panel. - eDP encoder ⇒ LT8912 ⇒ DSI panel Signed-off-by: Dmitry Baryshkov Reviewed-by: Stephen Boyd Tested-by: Kuogee Hsieh Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/dp/dp_display.c | 2 +- drivers/gpu/drm/msm/dp/dp_display.h | 2 +- drivers/gpu/drm/msm/dp/dp_drm.c | 4 ++-- drivers/gpu/drm/msm/dp/dp_parser.c | 31 +++++++++++++++-------------- drivers/gpu/drm/msm/dp/dp_parser.h | 2 +- 5 files changed, 21 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 44d42c76c2a3..45f9a912ecc5 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -266,7 +266,7 @@ static int dp_display_bind(struct device *dev, struct device *master, goto end; } - dp->dp_display.panel_bridge = dp->parser->panel_bridge; + dp->dp_display.next_bridge = dp->parser->next_bridge; dp->aux->drm_dev = drm; rc = dp_aux_register(dp->aux); diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h index e3adcd578a90..7af2b186d2d9 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.h +++ b/drivers/gpu/drm/msm/dp/dp_display.h @@ -16,7 +16,7 @@ struct msm_dp { struct drm_bridge *bridge; struct drm_connector *connector; struct drm_encoder *encoder; - struct drm_bridge *panel_bridge; + struct drm_bridge *next_bridge; bool is_connected; bool audio_enabled; bool power_on; diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index 26ef41a4c1b6..80f59cf99089 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -236,9 +236,9 @@ struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_devi return ERR_PTR(rc); } - if (dp_display->panel_bridge) { + if (dp_display->next_bridge) { rc = drm_bridge_attach(dp_display->encoder, - dp_display->panel_bridge, bridge, + dp_display->next_bridge, bridge, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (rc < 0) { DRM_ERROR("failed to attach panel bridge: %d\n", rc); diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c index a7acc23f742b..901d7967370f 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.c +++ b/drivers/gpu/drm/msm/dp/dp_parser.c @@ -265,23 +265,16 @@ static int dp_parser_clock(struct dp_parser *parser) return 0; } -static int dp_parser_find_panel(struct dp_parser *parser) +static int dp_parser_find_next_bridge(struct dp_parser *parser) { struct device *dev = &parser->pdev->dev; - struct drm_panel *panel; - int rc; + struct drm_bridge *bridge; - rc = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, &panel, NULL); - if (rc) { - DRM_ERROR("failed to acquire DRM panel: %d\n", rc); - return rc; - } + bridge = devm_drm_of_get_bridge(dev, dev->of_node, 1, 0); + if (IS_ERR(bridge)) + return PTR_ERR(bridge); - parser->panel_bridge = devm_drm_panel_bridge_add(dev, panel); - if (IS_ERR(parser->panel_bridge)) { - DRM_ERROR("failed to create panel bridge\n"); - return PTR_ERR(parser->panel_bridge); - } + parser->next_bridge = bridge; return 0; } @@ -307,10 +300,18 @@ static int dp_parser_parse(struct dp_parser *parser, int connector_type) if (rc) return rc; + /* + * Currently we support external bridges only for eDP connectors. + * + * No external bridges are expected for the DisplayPort connector, + * it is physically present in a form of a DP or USB-C connector. + */ if (connector_type == DRM_MODE_CONNECTOR_eDP) { - rc = dp_parser_find_panel(parser); - if (rc) + rc = dp_parser_find_next_bridge(parser); + if (rc) { + DRM_ERROR("DP: failed to find next bridge\n"); return rc; + } } /* Map the corresponding regulator information according to diff --git a/drivers/gpu/drm/msm/dp/dp_parser.h b/drivers/gpu/drm/msm/dp/dp_parser.h index 3172da089421..4cec851e38d9 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.h +++ b/drivers/gpu/drm/msm/dp/dp_parser.h @@ -123,7 +123,7 @@ struct dp_parser { struct dp_display_data disp_data; const struct dp_regulator_cfg *regulator_cfg; u32 max_dp_lanes; - struct drm_bridge *panel_bridge; + struct drm_bridge *next_bridge; int (*parse)(struct dp_parser *parser, int connector_type); }; From patchwork Fri Feb 11 22:40:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 541874 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 7A142C433EF for ; Fri, 11 Feb 2022 22:40:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229484AbiBKWkQ (ORCPT ); Fri, 11 Feb 2022 17:40:16 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346949AbiBKWkN (ORCPT ); Fri, 11 Feb 2022 17:40:13 -0500 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87B49D63 for ; 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Fri, 11 Feb 2022 14:40:09 -0800 (PST) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id a6sm3319983ljb.93.2022.02.11.14.40.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Feb 2022 14:40:09 -0800 (PST) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar , Kuogee Hsieh Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [RFC PATCH v2 3/5] drm/msm/dp: support finding next bridge even for DP interfaces Date: Sat, 12 Feb 2022 01:40:04 +0300 Message-Id: <20220211224006.1797846-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> References: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org It is possible to supply display-connector (bridge) to the DP interface, add support for parsing it too. Signed-off-by: Dmitry Baryshkov Tested-by: Kuogee Hsieh Reviewed-by: Stephen Boyd --- drivers/gpu/drm/msm/dp/dp_parser.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c index 901d7967370f..1056b8d5755b 100644 --- a/drivers/gpu/drm/msm/dp/dp_parser.c +++ b/drivers/gpu/drm/msm/dp/dp_parser.c @@ -301,17 +301,22 @@ static int dp_parser_parse(struct dp_parser *parser, int connector_type) return rc; /* - * Currently we support external bridges only for eDP connectors. + * External bridges are mandatory for eDP interfaces: one has to + * provide at least an eDP panel (which gets wrapped into panel-bridge). * - * No external bridges are expected for the DisplayPort connector, - * it is physically present in a form of a DP or USB-C connector. + * For DisplayPort interfaces external bridges are optional, so + * silently ignore an error if one is not present (-ENODEV). */ - if (connector_type == DRM_MODE_CONNECTOR_eDP) { - rc = dp_parser_find_next_bridge(parser); - if (rc) { - DRM_ERROR("DP: failed to find next bridge\n"); + rc = dp_parser_find_next_bridge(parser); + if (rc == -ENODEV) { + if (connector_type == DRM_MODE_CONNECTOR_eDP) { + DRM_ERROR("eDP: next bridge is not present\n"); return rc; } + } else if (rc) { + if (rc != -EPROBE_DEFER) + DRM_ERROR("DP: error parsing next bridge: %d\n", rc); + return rc; } /* Map the corresponding regulator information according to From patchwork Fri Feb 11 22:40:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 542189 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 892E5C433F5 for ; Fri, 11 Feb 2022 22:40:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240600AbiBKWkR (ORCPT ); Fri, 11 Feb 2022 17:40:17 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347348AbiBKWkO (ORCPT ); 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Fri, 11 Feb 2022 14:40:10 -0800 (PST) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar , Kuogee Hsieh Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [RFC PATCH v2 4/5] drm/msm/dp: replace dp_connector with drm_bridge_connector Date: Sat, 12 Feb 2022 01:40:05 +0300 Message-Id: <20220211224006.1797846-5-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> References: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org There is little point in having both connector and root bridge implementation in the same driver. Move connector's functionality to the bridge to let next bridge in chain to override it. Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dp/dp_display.c | 22 +++--- drivers/gpu/drm/msm/dp/dp_drm.c | 113 ++++++++++------------------ 2 files changed, 52 insertions(+), 83 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 45f9a912ecc5..59e5e5b8e5b4 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1501,6 +1501,17 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, dp_display->encoder = encoder; + dp_display->bridge = msm_dp_bridge_init(dp_display, dev, encoder); + if (IS_ERR(dp_display->bridge)) { + ret = PTR_ERR(dp_display->bridge); + DRM_DEV_ERROR(dev->dev, + "failed to create dp bridge: %d\n", ret); + dp_display->bridge = NULL; + return ret; + } + + priv->bridges[priv->num_bridges++] = dp_display->bridge; + dp_display->connector = dp_drm_connector_init(dp_display); if (IS_ERR(dp_display->connector)) { ret = PTR_ERR(dp_display->connector); @@ -1514,17 +1525,6 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, priv->connectors[priv->num_connectors++] = dp_display->connector; - dp_display->bridge = msm_dp_bridge_init(dp_display, dev, encoder); - if (IS_ERR(dp_display->bridge)) { - ret = PTR_ERR(dp_display->bridge); - DRM_DEV_ERROR(dev->dev, - "failed to create dp bridge: %d\n", ret); - dp_display->bridge = NULL; - return ret; - } - - priv->bridges[priv->num_bridges++] = dp_display->bridge; - return 0; } diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index 80f59cf99089..57800b865fe6 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include "msm_drv.h" @@ -20,24 +21,16 @@ struct msm_dp_bridge { #define to_dp_display(x) container_of((x), struct msm_dp_bridge, bridge) -struct dp_connector { - struct drm_connector base; - struct msm_dp *dp_display; -}; -#define to_dp_connector(x) container_of(x, struct dp_connector, base) - /** - * dp_connector_detect - callback to determine if connector is connected - * @conn: Pointer to drm connector structure - * @force: Force detect setting from drm framework - * Returns: Connector 'is connected' status + * dp_bridge_detect - callback to determine if connector is connected + * @bridge: Pointer to drm bridge structure + * Returns: Bridge's 'is connected' status */ -static enum drm_connector_status dp_connector_detect(struct drm_connector *conn, - bool force) +static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge) { struct msm_dp *dp; - dp = to_dp_connector(conn)->dp_display; + dp = to_dp_display(bridge)->dp_display; DRM_DEBUG_DP("is_connected = %s\n", (dp->is_connected) ? "true" : "false"); @@ -47,11 +40,12 @@ static enum drm_connector_status dp_connector_detect(struct drm_connector *conn, } /** - * dp_connector_get_modes - callback to add drm modes via drm_mode_probed_add() + * dp_bridge_get_modes - callback to add drm modes via drm_mode_probed_add() + * @bridge: Poiner to drm bridge * @connector: Pointer to drm connector structure * Returns: Number of modes added */ -static int dp_connector_get_modes(struct drm_connector *connector) +static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *connector) { int rc = 0; struct msm_dp *dp; @@ -61,7 +55,7 @@ static int dp_connector_get_modes(struct drm_connector *connector) if (!connector) return 0; - dp = to_dp_connector(connector)->dp_display; + dp = to_dp_display(bridge)->dp_display; dp_mode = kzalloc(sizeof(*dp_mode), GFP_KERNEL); if (!dp_mode) @@ -102,18 +96,20 @@ static int dp_connector_get_modes(struct drm_connector *connector) } /** - * dp_connector_mode_valid - callback to determine if specified mode is valid - * @connector: Pointer to drm connector structure + * dp_bridge_mode_valid - callback to determine if specified mode is valid + * @bridge: Pointer to drm bridge structure + * @info: display info * @mode: Pointer to drm mode structure * Returns: Validity status for specified mode */ -static enum drm_mode_status dp_connector_mode_valid( - struct drm_connector *connector, - struct drm_display_mode *mode) +static enum drm_mode_status dp_bridge_mode_valid( + struct drm_bridge *bridge, + const struct drm_display_info *info, + const struct drm_display_mode *mode) { struct msm_dp *dp_disp; - dp_disp = to_dp_connector(connector)->dp_display; + dp_disp = to_dp_display(bridge)->dp_display; if ((dp_disp->max_pclk_khz <= 0) || (dp_disp->max_pclk_khz > DP_MAX_PIXEL_CLK_KHZ) || @@ -123,55 +119,6 @@ static enum drm_mode_status dp_connector_mode_valid( return dp_display_validate_mode(dp_disp, mode->clock); } -static const struct drm_connector_funcs dp_connector_funcs = { - .detect = dp_connector_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = drm_connector_cleanup, - .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static const struct drm_connector_helper_funcs dp_connector_helper_funcs = { - .get_modes = dp_connector_get_modes, - .mode_valid = dp_connector_mode_valid, -}; - -/* connector initialization */ -struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display) -{ - struct drm_connector *connector = NULL; - struct dp_connector *dp_connector; - int ret; - - dp_connector = devm_kzalloc(dp_display->drm_dev->dev, - sizeof(*dp_connector), - GFP_KERNEL); - if (!dp_connector) - return ERR_PTR(-ENOMEM); - - dp_connector->dp_display = dp_display; - - connector = &dp_connector->base; - - ret = drm_connector_init(dp_display->drm_dev, connector, - &dp_connector_funcs, - dp_display->connector_type); - if (ret) - return ERR_PTR(ret); - - drm_connector_helper_add(connector, &dp_connector_helper_funcs); - - /* - * Enable HPD to let hpd event is handled when cable is connected. - */ - connector->polled = DRM_CONNECTOR_POLL_HPD; - - drm_connector_attach_encoder(connector, dp_display->encoder); - - return connector; -} - static void dp_bridge_mode_set(struct drm_bridge *drm_bridge, const struct drm_display_mode *mode, const struct drm_display_mode *adjusted_mode) @@ -211,6 +158,9 @@ static const struct drm_bridge_funcs dp_bridge_ops = { .disable = dp_bridge_disable, .post_disable = dp_bridge_post_disable, .mode_set = dp_bridge_mode_set, + .mode_valid = dp_bridge_mode_valid, + .get_modes = dp_bridge_get_modes, + .detect = dp_bridge_detect, }; struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, @@ -228,7 +178,12 @@ struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_devi bridge = &dp_bridge->bridge; bridge->funcs = &dp_bridge_ops; - bridge->encoder = encoder; + bridge->type = dp_display->connector_type; + + bridge->ops = + DRM_BRIDGE_OP_DETECT | + DRM_BRIDGE_OP_HPD | + DRM_BRIDGE_OP_MODES; rc = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (rc) { @@ -249,3 +204,17 @@ struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_devi return bridge; } + +/* connector initialization */ +struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display) +{ + struct drm_connector *connector = NULL; + + connector = drm_bridge_connector_init(dp_display->drm_dev, dp_display->encoder); + if (IS_ERR(connector)) + return connector; + + drm_connector_attach_encoder(connector, dp_display->encoder); + + return connector; +} From patchwork Fri Feb 11 22:40:06 2022 Content-Type: text/plain; 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Fri, 11 Feb 2022 14:40:11 -0800 (PST) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id a6sm3319983ljb.93.2022.02.11.14.40.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Feb 2022 14:40:11 -0800 (PST) From: Dmitry Baryshkov To: Bjorn Andersson , Rob Clark , Sean Paul , Abhinav Kumar , Kuogee Hsieh Cc: Stephen Boyd , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [RFC PATCH v2 5/5] drm/msm/dp: remove extra wrappers and public functions Date: Sat, 12 Feb 2022 01:40:06 +0300 Message-Id: <20220211224006.1797846-6-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> References: <20220211224006.1797846-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org dp_bridge's functions are thin wrappers around the msm_dp_display_* family. Squash dp_bridge callbacks into respective msm_dp_display functions, removing the latter functions from public space. Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/dp/dp_display.c | 54 +++++++++++++++------- drivers/gpu/drm/msm/dp/dp_display.h | 1 - drivers/gpu/drm/msm/dp/dp_drm.c | 72 ++--------------------------- drivers/gpu/drm/msm/dp/dp_drm.h | 22 ++++++++- drivers/gpu/drm/msm/msm_drv.h | 31 ------------- 5 files changed, 60 insertions(+), 120 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 59e5e5b8e5b4..a9b641a68bff 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -10,7 +10,6 @@ #include #include #include -#include #include "msm_drv.h" #include "msm_kms.h" @@ -945,18 +944,36 @@ int dp_display_set_plugged_cb(struct msm_dp *dp_display, return 0; } -int dp_display_validate_mode(struct msm_dp *dp, u32 mode_pclk_khz) +/** + * dp_bridge_mode_valid - callback to determine if specified mode is valid + * @bridge: Pointer to drm bridge structure + * @info: display info + * @mode: Pointer to drm mode structure + * Returns: Validity status for specified mode + */ +enum drm_mode_status dp_bridge_mode_valid(struct drm_bridge *bridge, + const struct drm_display_info *info, + const struct drm_display_mode *mode) { const u32 num_components = 3, default_bpp = 24; struct dp_display_private *dp_display; struct dp_link_info *link_info; u32 mode_rate_khz = 0, supported_rate_khz = 0, mode_bpp = 0; + struct msm_dp *dp; + int mode_pclk_khz = mode->clock; + + dp = to_dp_bridge(bridge)->dp_display; if (!dp || !mode_pclk_khz || !dp->connector) { DRM_ERROR("invalid params\n"); return -EINVAL; } + if ((dp->max_pclk_khz <= 0) || + (dp->max_pclk_khz > DP_MAX_PIXEL_CLK_KHZ) || + (mode->clock > dp->max_pclk_khz)) + return MODE_BAD; + dp_display = container_of(dp, struct dp_display_private, dp_display); link_info = &dp_display->panel->link_info; @@ -1501,7 +1518,7 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, dp_display->encoder = encoder; - dp_display->bridge = msm_dp_bridge_init(dp_display, dev, encoder); + dp_display->bridge = dp_bridge_init(dp_display, dev, encoder); if (IS_ERR(dp_display->bridge)) { ret = PTR_ERR(dp_display->bridge); DRM_DEV_ERROR(dev->dev, @@ -1528,8 +1545,10 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, return 0; } -int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder) +void dp_bridge_enable(struct drm_bridge *drm_bridge) { + struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge); + struct msm_dp *dp = dp_bridge->dp_display; int rc = 0; struct dp_display_private *dp_display; u32 state; @@ -1537,7 +1556,7 @@ int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder) dp_display = container_of(dp, struct dp_display_private, dp_display); if (!dp_display->dp_mode.drm_mode.clock) { DRM_ERROR("invalid params\n"); - return -EINVAL; + return; } mutex_lock(&dp_display->event_mutex); @@ -1549,14 +1568,14 @@ int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder) if (rc) { DRM_ERROR("Failed to perform a mode set, rc=%d\n", rc); mutex_unlock(&dp_display->event_mutex); - return rc; + return; } rc = dp_display_prepare(dp); if (rc) { DRM_ERROR("DP display prepare failed, rc=%d\n", rc); mutex_unlock(&dp_display->event_mutex); - return rc; + return; } state = dp_display->hpd_state; @@ -1581,23 +1600,23 @@ int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder) dp_display->hpd_state = ST_CONNECTED; mutex_unlock(&dp_display->event_mutex); - - return rc; } -int msm_dp_display_pre_disable(struct msm_dp *dp, struct drm_encoder *encoder) +void dp_bridge_disable(struct drm_bridge *drm_bridge) { + struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge); + struct msm_dp *dp = dp_bridge->dp_display; struct dp_display_private *dp_display; dp_display = container_of(dp, struct dp_display_private, dp_display); dp_ctrl_push_idle(dp_display->ctrl); - - return 0; } -int msm_dp_display_disable(struct msm_dp *dp, struct drm_encoder *encoder) +void dp_bridge_post_disable(struct drm_bridge *drm_bridge) { + struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge); + struct msm_dp *dp = dp_bridge->dp_display; int rc = 0; u32 state; struct dp_display_private *dp_display; @@ -1624,13 +1643,14 @@ int msm_dp_display_disable(struct msm_dp *dp, struct drm_encoder *encoder) } mutex_unlock(&dp_display->event_mutex); - return rc; } -void msm_dp_display_mode_set(struct msm_dp *dp, struct drm_encoder *encoder, - const struct drm_display_mode *mode, - const struct drm_display_mode *adjusted_mode) +void dp_bridge_mode_set(struct drm_bridge *drm_bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode) { + struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge); + struct msm_dp *dp = dp_bridge->dp_display; struct dp_display_private *dp_display; dp_display = container_of(dp, struct dp_display_private, dp_display); diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h index 7af2b186d2d9..49a1d89681ac 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.h +++ b/drivers/gpu/drm/msm/dp/dp_display.h @@ -32,7 +32,6 @@ struct msm_dp { int dp_display_set_plugged_cb(struct msm_dp *dp_display, hdmi_codec_plugged_cb fn, struct device *codec_dev); -int dp_display_validate_mode(struct msm_dp *dp_display, u32 mode_pclk_khz); int dp_display_get_modes(struct msm_dp *dp_display, struct dp_display_mode *dp_mode); int dp_display_request_irq(struct msm_dp *dp_display); diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index 57800b865fe6..7ce1aca48687 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -13,14 +13,6 @@ #include "msm_kms.h" #include "dp_drm.h" - -struct msm_dp_bridge { - struct drm_bridge bridge; - struct msm_dp *dp_display; -}; - -#define to_dp_display(x) container_of((x), struct msm_dp_bridge, bridge) - /** * dp_bridge_detect - callback to determine if connector is connected * @bridge: Pointer to drm bridge structure @@ -30,7 +22,7 @@ static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge) { struct msm_dp *dp; - dp = to_dp_display(bridge)->dp_display; + dp = to_dp_bridge(bridge)->dp_display; DRM_DEBUG_DP("is_connected = %s\n", (dp->is_connected) ? "true" : "false"); @@ -55,7 +47,7 @@ static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector * if (!connector) return 0; - dp = to_dp_display(bridge)->dp_display; + dp = to_dp_bridge(bridge)->dp_display; dp_mode = kzalloc(sizeof(*dp_mode), GFP_KERNEL); if (!dp_mode) @@ -95,64 +87,6 @@ static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector * return rc; } -/** - * dp_bridge_mode_valid - callback to determine if specified mode is valid - * @bridge: Pointer to drm bridge structure - * @info: display info - * @mode: Pointer to drm mode structure - * Returns: Validity status for specified mode - */ -static enum drm_mode_status dp_bridge_mode_valid( - struct drm_bridge *bridge, - const struct drm_display_info *info, - const struct drm_display_mode *mode) -{ - struct msm_dp *dp_disp; - - dp_disp = to_dp_display(bridge)->dp_display; - - if ((dp_disp->max_pclk_khz <= 0) || - (dp_disp->max_pclk_khz > DP_MAX_PIXEL_CLK_KHZ) || - (mode->clock > dp_disp->max_pclk_khz)) - return MODE_BAD; - - return dp_display_validate_mode(dp_disp, mode->clock); -} - -static void dp_bridge_mode_set(struct drm_bridge *drm_bridge, - const struct drm_display_mode *mode, - const struct drm_display_mode *adjusted_mode) -{ - struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge); - struct msm_dp *dp_display = dp_bridge->dp_display; - - msm_dp_display_mode_set(dp_display, drm_bridge->encoder, mode, adjusted_mode); -} - -static void dp_bridge_enable(struct drm_bridge *drm_bridge) -{ - struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge); - struct msm_dp *dp_display = dp_bridge->dp_display; - - msm_dp_display_enable(dp_display, drm_bridge->encoder); -} - -static void dp_bridge_disable(struct drm_bridge *drm_bridge) -{ - struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge); - struct msm_dp *dp_display = dp_bridge->dp_display; - - msm_dp_display_pre_disable(dp_display, drm_bridge->encoder); -} - -static void dp_bridge_post_disable(struct drm_bridge *drm_bridge) -{ - struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge); - struct msm_dp *dp_display = dp_bridge->dp_display; - - msm_dp_display_disable(dp_display, drm_bridge->encoder); -} - static const struct drm_bridge_funcs dp_bridge_ops = { .enable = dp_bridge_enable, .disable = dp_bridge_disable, @@ -163,7 +97,7 @@ static const struct drm_bridge_funcs dp_bridge_ops = { .detect = dp_bridge_detect, }; -struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, +struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder) { int rc; diff --git a/drivers/gpu/drm/msm/dp/dp_drm.h b/drivers/gpu/drm/msm/dp/dp_drm.h index c27bfceefdf0..f4b1ed1e24f7 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.h +++ b/drivers/gpu/drm/msm/dp/dp_drm.h @@ -7,12 +7,30 @@ #define _DP_DRM_H_ #include -#include -#include +#include #include "msm_drv.h" #include "dp_display.h" +struct msm_dp_bridge { + struct drm_bridge bridge; + struct msm_dp *dp_display; +}; + +#define to_dp_bridge(x) container_of((x), struct msm_dp_bridge, bridge) + struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display); +struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, + struct drm_encoder *encoder); + +void dp_bridge_enable(struct drm_bridge *drm_bridge); +void dp_bridge_disable(struct drm_bridge *drm_bridge); +void dp_bridge_post_disable(struct drm_bridge *drm_bridge); +enum drm_mode_status dp_bridge_mode_valid(struct drm_bridge *bridge, + const struct drm_display_info *info, + const struct drm_display_mode *mode); +void dp_bridge_mode_set(struct drm_bridge *drm_bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode); #endif /* _DP_DRM_H_ */ diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index d7574e6bd4e4..b698a3be6072 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -385,16 +385,6 @@ int __init msm_dp_register(void); void __exit msm_dp_unregister(void); int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, struct drm_encoder *encoder); -int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder); -int msm_dp_display_disable(struct msm_dp *dp, struct drm_encoder *encoder); -int msm_dp_display_pre_disable(struct msm_dp *dp, struct drm_encoder *encoder); -void msm_dp_display_mode_set(struct msm_dp *dp, struct drm_encoder *encoder, - const struct drm_display_mode *mode, - const struct drm_display_mode *adjusted_mode); - -struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, - struct drm_device *dev, - struct drm_encoder *encoder); void msm_dp_irq_postinstall(struct msm_dp *dp_display); void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp_display); @@ -414,27 +404,6 @@ static inline int msm_dp_modeset_init(struct msm_dp *dp_display, { return -EINVAL; } -static inline int msm_dp_display_enable(struct msm_dp *dp, - struct drm_encoder *encoder) -{ - return -EINVAL; -} -static inline int msm_dp_display_disable(struct msm_dp *dp, - struct drm_encoder *encoder) -{ - return -EINVAL; -} -static inline int msm_dp_display_pre_disable(struct msm_dp *dp, - struct drm_encoder *encoder) -{ - return -EINVAL; -} -static inline void msm_dp_display_mode_set(struct msm_dp *dp, - struct drm_encoder *encoder, - const struct drm_display_mode *mode, - const struct drm_display_mode *adjusted_mode) -{ -} static inline void msm_dp_irq_postinstall(struct msm_dp *dp_display) {