From patchwork Sat May 20 18:20:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 684346 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 9C971C7EE23 for ; Sat, 20 May 2023 18:21:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231521AbjETSV3 (ORCPT ); Sat, 20 May 2023 14:21:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231557AbjETSV0 (ORCPT ); Sat, 20 May 2023 14:21:26 -0400 Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCF9F173B for ; Sat, 20 May 2023 11:20:59 -0700 (PDT) Received: by mail-lj1-x231.google.com with SMTP id 38308e7fff4ca-2af2e1725bdso7216731fa.0 for ; Sat, 20 May 2023 11:20:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684606852; x=1687198852; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=yYoWS2n5PUhUjOQ/gc/8L3OV4rb3cyPnibCKLa5KFaA=; b=ycORHz5wp0Mi8NGk3Nh7i88nUPsP3lPMw1r/iONdMkh+uqh0LCvemtDR0gjidYYu2/ 3pGoV5nSwO6be8mZi63rtDKIfn1j5kbNc/lGOZ1RbN7HYEP8qr+xb5vtVudlLaPWKnl3 oyt6+L3bOUVoyWVXsitcXimCUktP0scPqsiPVhxnqd9NgWMACVe8nr8mCAPVMcY7L4BG 8Fk3iQt4DacDp1qPZjK8whOfomBJ9Pr6ovvVRlGE4PBZLHtXddtr3UxpYNiD7kbCCI0+ HnnE6/+NSCHsenRvNmzwKti/d0eMjFToZlFWWS+qMKappSeE+7lr3egXnFq1h7F/SYCo N21Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684606852; x=1687198852; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=yYoWS2n5PUhUjOQ/gc/8L3OV4rb3cyPnibCKLa5KFaA=; b=YB2oYFSuHph5ysuwNIoiAdGmmOVpoGuQoztrfc1XPPVZBRqd4cXSYJPeqjfaGTS/+W F7jM3qs28ub6Kj2JrPb9juq8JmY1x/Hj3jtD7zduXTHuS4dL7Y6xj4wSV0Gby1/e8YzO RupNH+eVcbCdk11WcfoSAIANQo2Bl4xapigqoB/VkldjcSKprRAyG+1/GFzA3Jl0PWwU FHyQkg0LIQSXXsnqpOpFU1Fd85oKr9+F64wdA0XrfmyufNtiEYalRFsHJ94ks/47SqGb 6dm4VyxAwHnEPRXJ/WTMkjlwlB+Xn9CXn4uOygTznicjdDrPYAqk8brv3gPIj/BB9rHt MxNg== X-Gm-Message-State: AC+VfDzB91yoWyVgyFpgQYxkwMHSXPD5F6foE8mL0ISB6bJrOcATbTm3 l6C2XCVvYOsldTOEd6yx+2j+mA== X-Google-Smtp-Source: ACHHUZ4j1W7x+huotwuz9m/JJSi2HGQuYch1ZN4rUWrAKpTTGGdmdS8q+HNVBR8/4vttyntK3a8I7Q== X-Received: by 2002:a05:651c:200b:b0:2ac:81a9:2059 with SMTP id s11-20020a05651c200b00b002ac81a92059mr1610401ljo.26.1684606851723; Sat, 20 May 2023 11:20:51 -0700 (PDT) Received: from umbar.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id a18-20020a05651c011200b002ab0c9fab23sm385711ljb.79.2023.05.20.11.20.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 May 2023 11:20:51 -0700 (PDT) From: Dmitry Baryshkov To: Rob Clark , Sean Paul , Abhinav Kumar Cc: Marijn Suijten , Stephen Boyd , David Airlie , Daniel Vetter , Bjorn Andersson , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH v2] drm/msm/dp: remove most of usbpd-related remains Date: Sat, 20 May 2023 21:20:50 +0300 Message-Id: <20230520182050.4014143-1-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Remove most of remains of downstream usbpd code. Mainline kernel uses different approach for managing Type-C / USB-PD, so this remains unused. Signed-off-by: Dmitry Baryshkov --- Changes since v1: - Also drop USBPD callbacks as per [1]. [1] https://patchwork.freedesktop.org/patch/536942/?series=117732&rev=1 --- drivers/gpu/drm/msm/Makefile | 1 - drivers/gpu/drm/msm/dp/dp_ctrl.h | 1 - drivers/gpu/drm/msm/dp/dp_debug.c | 6 +-- drivers/gpu/drm/msm/dp/dp_debug.h | 5 +- drivers/gpu/drm/msm/dp/dp_display.c | 34 +------------ drivers/gpu/drm/msm/dp/dp_hpd.c | 67 ------------------------- drivers/gpu/drm/msm/dp/dp_hpd.h | 78 ----------------------------- drivers/gpu/drm/msm/dp/dp_panel.h | 1 - drivers/gpu/drm/msm/dp/dp_power.c | 2 +- drivers/gpu/drm/msm/dp/dp_power.h | 3 +- 10 files changed, 8 insertions(+), 190 deletions(-) delete mode 100644 drivers/gpu/drm/msm/dp/dp_hpd.c delete mode 100644 drivers/gpu/drm/msm/dp/dp_hpd.h diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile index 7274c41228ed..39d9ac05c4b6 100644 --- a/drivers/gpu/drm/msm/Makefile +++ b/drivers/gpu/drm/msm/Makefile @@ -122,7 +122,6 @@ msm-$(CONFIG_DRM_MSM_DP)+= dp/dp_aux.o \ dp/dp_ctrl.o \ dp/dp_display.o \ dp/dp_drm.o \ - dp/dp_hpd.o \ dp/dp_link.o \ dp/dp_panel.o \ dp/dp_parser.o \ diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index f712780149fd..b2c27d3532bf 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -14,7 +14,6 @@ #include "dp_catalog.h" struct dp_ctrl { - bool orientation; atomic_t aborted; bool wide_bus_en; }; diff --git a/drivers/gpu/drm/msm/dp/dp_debug.c b/drivers/gpu/drm/msm/dp/dp_debug.c index 5e35033ba3e4..3bba901afe33 100644 --- a/drivers/gpu/drm/msm/dp/dp_debug.c +++ b/drivers/gpu/drm/msm/dp/dp_debug.c @@ -21,7 +21,6 @@ struct dp_debug_private { struct dentry *root; - struct dp_usbpd *usbpd; struct dp_link *link; struct dp_panel *panel; struct drm_connector *connector; @@ -232,14 +231,14 @@ static void dp_debug_init(struct dp_debug *dp_debug, struct drm_minor *minor) } struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel, - struct dp_usbpd *usbpd, struct dp_link *link, + struct dp_link *link, struct drm_connector *connector, struct drm_minor *minor) { struct dp_debug_private *debug; struct dp_debug *dp_debug; int rc; - if (!dev || !panel || !usbpd || !link) { + if (!dev || !panel || !link) { DRM_ERROR("invalid input\n"); rc = -EINVAL; goto error; @@ -252,7 +251,6 @@ struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel, } debug->dp_debug.debug_en = false; - debug->usbpd = usbpd; debug->link = link; debug->panel = panel; debug->dev = dev; diff --git a/drivers/gpu/drm/msm/dp/dp_debug.h b/drivers/gpu/drm/msm/dp/dp_debug.h index 8c0d0b5178fd..124227873d58 100644 --- a/drivers/gpu/drm/msm/dp/dp_debug.h +++ b/drivers/gpu/drm/msm/dp/dp_debug.h @@ -32,7 +32,6 @@ struct dp_debug { * * @dev: device instance of the caller * @panel: instance of panel module - * @usbpd: instance of usbpd module * @link: instance of link module * @connector: double pointer to display connector * @minor: pointer to drm minor number after device registration @@ -42,7 +41,7 @@ struct dp_debug { * for debugfs input to be communicated with existing modules */ struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel, - struct dp_usbpd *usbpd, struct dp_link *link, + struct dp_link *link, struct drm_connector *connector, struct drm_minor *minor); @@ -59,7 +58,7 @@ void dp_debug_put(struct dp_debug *dp_debug); static inline struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel, - struct dp_usbpd *usbpd, struct dp_link *link, + struct dp_link *link, struct drm_connector *connector, struct drm_minor *minor) { return ERR_PTR(-EINVAL); diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 3e13acdfa7e5..6ccf7de13055 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -14,7 +14,6 @@ #include "msm_drv.h" #include "msm_kms.h" -#include "dp_hpd.h" #include "dp_parser.h" #include "dp_power.h" #include "dp_catalog.h" @@ -88,7 +87,6 @@ struct dp_display_private { struct platform_device *pdev; struct dentry *root; - struct dp_usbpd *usbpd; struct dp_parser *parser; struct dp_power *power; struct dp_catalog *catalog; @@ -98,7 +96,6 @@ struct dp_display_private { struct dp_ctrl *ctrl; struct dp_debug *debug; - struct dp_usbpd_cb usbpd_cb; struct dp_display_mode dp_mode; struct msm_dp dp_display; @@ -462,7 +459,7 @@ static void dp_display_host_init(struct dp_display_private *dp) dp->dp_display.connector_type, dp->core_initialized, dp->phy_initialized); - dp_power_init(dp->power, false); + dp_power_init(dp->power); dp_ctrl_reset_irq_ctrl(dp->ctrl, true); dp_aux_init(dp->aux); dp->core_initialized = true; @@ -489,11 +486,6 @@ static int dp_display_usbpd_configure_cb(struct device *dev) return dp_display_process_hpd_high(dp); } -static int dp_display_usbpd_disconnect_cb(struct device *dev) -{ - return 0; -} - static int dp_display_notify_disconnect(struct device *dev) { struct dp_display_private *dp = dev_get_dp_display_private(dev); @@ -578,13 +570,9 @@ static int dp_display_usbpd_attention_cb(struct device *dev) static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) { - struct dp_usbpd *hpd = dp->usbpd; u32 state; int ret; - if (!hpd) - return 0; - mutex_lock(&dp->event_mutex); state = dp->hpd_state; @@ -645,12 +633,8 @@ static void dp_display_handle_plugged_change(struct msm_dp *dp_display, static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) { - struct dp_usbpd *hpd = dp->usbpd; u32 state; - if (!hpd) - return 0; - mutex_lock(&dp->event_mutex); state = dp->hpd_state; @@ -763,24 +747,10 @@ static int dp_init_sub_modules(struct dp_display_private *dp) { int rc = 0; struct device *dev = &dp->pdev->dev; - struct dp_usbpd_cb *cb = &dp->usbpd_cb; struct dp_panel_in panel_in = { .dev = dev, }; - /* Callback APIs used for cable status change event */ - cb->configure = dp_display_usbpd_configure_cb; - cb->disconnect = dp_display_usbpd_disconnect_cb; - cb->attention = dp_display_usbpd_attention_cb; - - dp->usbpd = dp_hpd_get(dev, cb); - if (IS_ERR(dp->usbpd)) { - rc = PTR_ERR(dp->usbpd); - DRM_ERROR("failed to initialize hpd, rc = %d\n", rc); - dp->usbpd = NULL; - goto error; - } - dp->parser = dp_parser_get(dp->pdev); if (IS_ERR(dp->parser)) { rc = PTR_ERR(dp->parser); @@ -1540,7 +1510,7 @@ void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor) dp = container_of(dp_display, struct dp_display_private, dp_display); dev = &dp->pdev->dev; - dp->debug = dp_debug_get(dev, dp->panel, dp->usbpd, + dp->debug = dp_debug_get(dev, dp->panel, dp->link, dp->dp_display.connector, minor); if (IS_ERR(dp->debug)) { diff --git a/drivers/gpu/drm/msm/dp/dp_hpd.c b/drivers/gpu/drm/msm/dp/dp_hpd.c deleted file mode 100644 index db98a1d431eb..000000000000 --- a/drivers/gpu/drm/msm/dp/dp_hpd.c +++ /dev/null @@ -1,67 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. - */ - -#define pr_fmt(fmt) "[drm-dp] %s: " fmt, __func__ - -#include -#include - -#include "dp_hpd.h" - -/* DP specific VDM commands */ -#define DP_USBPD_VDM_STATUS 0x10 -#define DP_USBPD_VDM_CONFIGURE 0x11 - -/* USBPD-TypeC specific Macros */ -#define VDM_VERSION 0x0 -#define USB_C_DP_SID 0xFF01 - -struct dp_hpd_private { - struct device *dev; - struct dp_usbpd_cb *dp_cb; - struct dp_usbpd dp_usbpd; -}; - -int dp_hpd_connect(struct dp_usbpd *dp_usbpd, bool hpd) -{ - int rc = 0; - struct dp_hpd_private *hpd_priv; - - hpd_priv = container_of(dp_usbpd, struct dp_hpd_private, - dp_usbpd); - - if (!hpd_priv->dp_cb || !hpd_priv->dp_cb->configure - || !hpd_priv->dp_cb->disconnect) { - pr_err("hpd dp_cb not initialized\n"); - return -EINVAL; - } - if (hpd) - hpd_priv->dp_cb->configure(hpd_priv->dev); - else - hpd_priv->dp_cb->disconnect(hpd_priv->dev); - - return rc; -} - -struct dp_usbpd *dp_hpd_get(struct device *dev, struct dp_usbpd_cb *cb) -{ - struct dp_hpd_private *dp_hpd; - - if (!cb) { - pr_err("invalid cb data\n"); - return ERR_PTR(-EINVAL); - } - - dp_hpd = devm_kzalloc(dev, sizeof(*dp_hpd), GFP_KERNEL); - if (!dp_hpd) - return ERR_PTR(-ENOMEM); - - dp_hpd->dev = dev; - dp_hpd->dp_cb = cb; - - dp_hpd->dp_usbpd.connect = dp_hpd_connect; - - return &dp_hpd->dp_usbpd; -} diff --git a/drivers/gpu/drm/msm/dp/dp_hpd.h b/drivers/gpu/drm/msm/dp/dp_hpd.h deleted file mode 100644 index 8feec5aa5027..000000000000 --- a/drivers/gpu/drm/msm/dp/dp_hpd.h +++ /dev/null @@ -1,78 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. - */ - -#ifndef _DP_HPD_H_ -#define _DP_HPD_H_ - -//#include - -#include -#include - -enum plug_orientation { - ORIENTATION_NONE, - ORIENTATION_CC1, - ORIENTATION_CC2, -}; - -/** - * struct dp_usbpd - DisplayPort status - * - * @orientation: plug orientation configuration - * @low_pow_st: low power state - * @adaptor_dp_en: adaptor functionality enabled - * @multi_func: multi-function preferred - * @usb_config_req: request to switch to usb - * @exit_dp_mode: request exit from displayport mode - * @hpd_irq: Change in the status since last message - * @alt_mode_cfg_done: bool to specify alt mode status - * @debug_en: bool to specify debug mode - * @connect: simulate disconnect or connect for debug mode - */ -struct dp_usbpd { - enum plug_orientation orientation; - bool low_pow_st; - bool adaptor_dp_en; - bool multi_func; - bool usb_config_req; - bool exit_dp_mode; - bool hpd_irq; - bool alt_mode_cfg_done; - bool debug_en; - - int (*connect)(struct dp_usbpd *dp_usbpd, bool hpd); -}; - -/** - * struct dp_usbpd_cb - callback functions provided by the client - * - * @configure: called by usbpd module when PD communication has - * been completed and the usb peripheral has been configured on - * dp mode. - * @disconnect: notify the cable disconnect issued by usb. - * @attention: notify any attention message issued by usb. - */ -struct dp_usbpd_cb { - int (*configure)(struct device *dev); - int (*disconnect)(struct device *dev); - int (*attention)(struct device *dev); -}; - -/** - * dp_hpd_get() - setup hpd module - * - * @dev: device instance of the caller - * @cb: struct containing callback function pointers. - * - * This function allows the client to initialize the usbpd - * module. The module will communicate with HPD module. - */ -struct dp_usbpd *dp_hpd_get(struct device *dev, struct dp_usbpd_cb *cb); - -int dp_hpd_register(struct dp_usbpd *dp_usbpd); -void dp_hpd_unregister(struct dp_usbpd *dp_usbpd); -int dp_hpd_connect(struct dp_usbpd *dp_usbpd, bool hpd); - -#endif /* _DP_HPD_H_ */ diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h index 45208b45eb53..ed1030e17e1b 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.h +++ b/drivers/gpu/drm/msm/dp/dp_panel.h @@ -10,7 +10,6 @@ #include "dp_aux.h" #include "dp_link.h" -#include "dp_hpd.h" struct edid; diff --git a/drivers/gpu/drm/msm/dp/dp_power.c b/drivers/gpu/drm/msm/dp/dp_power.c index c0aaabb03389..6f88c344db99 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.c +++ b/drivers/gpu/drm/msm/dp/dp_power.c @@ -195,7 +195,7 @@ void dp_power_client_deinit(struct dp_power *dp_power) pm_runtime_disable(&power->pdev->dev); } -int dp_power_init(struct dp_power *dp_power, bool flip) +int dp_power_init(struct dp_power *dp_power) { int rc = 0; struct dp_power_private *power = NULL; diff --git a/drivers/gpu/drm/msm/dp/dp_power.h b/drivers/gpu/drm/msm/dp/dp_power.h index e3f959ffae12..a3dec200785e 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.h +++ b/drivers/gpu/drm/msm/dp/dp_power.h @@ -26,13 +26,12 @@ struct dp_power { * dp_power_init() - enable power supplies for display controller * * @power: instance of power module - * @flip: bool for flipping gpio direction * return: 0 if success or error if failure. * * This API will turn on the regulators and configures gpio's * aux/hpd. */ -int dp_power_init(struct dp_power *power, bool flip); +int dp_power_init(struct dp_power *power); /** * dp_power_deinit() - turn off regulators and gpios.