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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id h11-20020a4add8b000000b0035eb4e5a6ccsm4029422oov.34.2022.05.02.09.51.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 May 2022 09:51:35 -0700 (PDT) From: Bjorn Andersson To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Rob Clark , Sean Paul , Abhinav Kumar , Heikki Krogerus , Greg Kroah-Hartman , Dmitry Baryshkov , Kuogee Hsieh Date: Mon, 2 May 2022 09:53:15 -0700 Message-Id: <20220502165316.4167199-5-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220502165316.4167199-1-bjorn.andersson@linaro.org> References: <20220502165316.4167199-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 03 May 2022 12:03:05 +0000 Subject: [Intel-gfx] [PATCH v4 4/5] drm/msm/dp: remove most of usbpd-related remains X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Stephen Boyd , freedreno@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Dmitry Baryshkov Remove most of remains of downstream usbpd code. Mainline kernel uses different approach for managing Type-C / USB-PD, so this remains unused. Do not touch usbpd callbacks for now, since they look useful enough as an example of how to handle connect/disconnect (to be rewritten into . Signed-off-by: Dmitry Baryshkov [bjorn: Cleaned up dp_display_usbpd_attention() prototype as well] Signed-off-by: Bjorn Andersson --- Changes since v3: - New patch 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 | 4 +- drivers/gpu/drm/msm/dp/dp_display.c | 55 ++++---------------- 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, 16 insertions(+), 202 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 66395ee0862a..c417443168f6 100644 --- a/drivers/gpu/drm/msm/Makefile +++ b/drivers/gpu/drm/msm/Makefile @@ -123,7 +123,6 @@ 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 0745fde01b45..52648b56f54b 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; u32 pixel_rate; 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 075969da9418..25ea2d3e3e12 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; @@ -234,14 +233,14 @@ 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; @@ -254,7 +253,6 @@ 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..be350cb393ee 100644 --- a/drivers/gpu/drm/msm/dp/dp_debug.h +++ b/drivers/gpu/drm/msm/dp/dp_debug.h @@ -42,7 +42,7 @@ 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 +59,7 @@ 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 c68d6007c2c6..b447446d75e9 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; @@ -442,7 +439,7 @@ 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; @@ -460,24 +457,15 @@ static void dp_display_host_deinit(struct dp_display_private *dp) dp->core_initialized = false; } -static int dp_display_usbpd_configure_cb(struct device *dev) +static int dp_display_usbpd_configure(struct dp_display_private *dp) { - struct dp_display_private *dp = dev_get_dp_display_private(dev); - dp_display_host_phy_init(dp); 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) +static int dp_display_notify_disconnect(struct dp_display_private *dp) { - struct dp_display_private *dp = dev_get_dp_display_private(dev); - dp_add_event(dp, EV_USER_NOTIFICATION, false, 0); return 0; @@ -535,11 +523,10 @@ static int dp_display_handle_irq_hpd(struct dp_display_private *dp) return 0; } -static int dp_display_usbpd_attention_cb(struct device *dev) +static int dp_display_usbpd_attention(struct dp_display_private *dp) { int rc = 0; u32 sink_request; - struct dp_display_private *dp = dev_get_dp_display_private(dev); /* check for any test request issued by sink */ rc = dp_link_process_request(dp->link); @@ -558,13 +545,9 @@ 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; @@ -588,7 +571,7 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) return 0; } - ret = dp_display_usbpd_configure_cb(&dp->pdev->dev); + ret = dp_display_usbpd_configure(dp); if (ret) { /* link train failed */ dp->hpd_state = ST_DISCONNECTED; } else { @@ -632,12 +615,8 @@ 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; @@ -657,7 +636,7 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) if (dp->link->sink_count == 0) { dp_display_host_phy_exit(dp); } - dp_display_notify_disconnect(&dp->pdev->dev); + dp_display_notify_disconnect(dp); mutex_unlock(&dp->event_mutex); return 0; } else if (state == ST_DISCONNECT_PENDING) { @@ -667,7 +646,7 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) dp_ctrl_off_link(dp->ctrl); dp_display_host_phy_exit(dp); dp->hpd_state = ST_DISCONNECTED; - dp_display_notify_disconnect(&dp->pdev->dev); + dp_display_notify_disconnect(dp); mutex_unlock(&dp->event_mutex); return 0; } @@ -679,7 +658,7 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) * We don't need separate work for disconnect as * connect/attention interrupts are disabled */ - dp_display_notify_disconnect(&dp->pdev->dev); + dp_display_notify_disconnect(dp); if (state == ST_DISPLAY_OFF) { dp->hpd_state = ST_DISCONNECTED; @@ -725,7 +704,7 @@ static int dp_irq_hpd_handle(struct dp_display_private *dp, u32 data) return 0; } - dp_display_usbpd_attention_cb(&dp->pdev->dev); + dp_display_usbpd_attention(dp); drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", dp->dp_display.connector_type, state); @@ -747,24 +726,10 @@ 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); @@ -1533,7 +1498,7 @@ 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 acb1987fa45f..d55e28f1000f 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 d9e011775ad8..faa3bfbccc9e 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.c +++ b/drivers/gpu/drm/msm/dp/dp_power.c @@ -352,7 +352,7 @@ void dp_power_client_deinit(struct dp_power *dp_power) } -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.