diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_ctrl.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_debug.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_debug.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_display.c | 50 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_hpd.c | 67 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_hpd.h | 78 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_panel.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_power.c | 78 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_power.h | 3 |
9 files changed, 27 insertions, 262 deletions
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 03b0eda6df54..76f13954015b 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" @@ -92,7 +91,6 @@ 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; @@ -102,7 +100,6 @@ 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; @@ -329,6 +326,8 @@ static void dp_display_unbind(struct device *dev, struct device *master, kthread_stop(dp->ev_tsk); + of_dp_aux_depopulate_bus(dp->aux); + dp_power_client_deinit(dp->power); dp_unregister_audio_driver(dev, dp->audio); dp_aux_unregister(dp->aux); @@ -467,7 +466,7 @@ 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; @@ -494,11 +493,6 @@ 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); @@ -583,13 +577,9 @@ 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; @@ -644,12 +634,8 @@ 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; @@ -748,24 +734,10 @@ 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); @@ -1328,9 +1300,9 @@ static int dp_display_remove(struct platform_device *pdev) { struct dp_display_private *dp = dev_get_dp_display_private(&pdev->dev); + component_del(&pdev->dev, &dp_display_comp_ops); dp_display_deinit_sub_modules(dp); - component_del(&pdev->dev, &dp_display_comp_ops); platform_set_drvdata(pdev, NULL); return 0; @@ -1499,7 +1471,7 @@ 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)) { @@ -1509,11 +1481,6 @@ void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor) } } -static void of_dp_aux_depopulate_bus_void(void *data) -{ - of_dp_aux_depopulate_bus(data); -} - static int dp_display_get_next_bridge(struct msm_dp *dp) { int rc; @@ -1541,12 +1508,6 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) of_node_put(aux_bus); if (rc) goto error; - - rc = devm_add_action_or_reset(dp->drm_dev->dev, - of_dp_aux_depopulate_bus_void, - dp_priv->aux); - if (rc) - goto error; } else if (dp->is_edp) { DRM_ERROR("eDP aux_bus not found\n"); return -ENODEV; @@ -1570,6 +1531,7 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) error: if (dp->is_edp) { + of_dp_aux_depopulate_bus(dp_priv->aux); dp_display_host_phy_exit(dp_priv); dp_display_host_deinit(dp_priv); } 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 <linux/slab.h> -#include <linux/device.h> - -#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 <linux/usb/usbpd.h> - -#include <linux/types.h> -#include <linux/device.h> - -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..5cb84ca40e9e 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.c +++ b/drivers/gpu/drm/msm/dp/dp_power.c @@ -14,7 +14,6 @@ struct dp_power_private { struct dp_parser *parser; - struct platform_device *pdev; struct device *dev; struct drm_device *drm_dev; struct clk *link_clk_src; @@ -28,32 +27,23 @@ static int dp_power_clk_init(struct dp_power_private *power) { int rc = 0; struct dss_module_power *core, *ctrl, *stream; - struct device *dev = &power->pdev->dev; + struct device *dev = power->dev; core = &power->parser->mp[DP_CORE_PM]; ctrl = &power->parser->mp[DP_CTRL_PM]; stream = &power->parser->mp[DP_STREAM_PM]; rc = devm_clk_bulk_get(dev, core->num_clk, core->clocks); - if (rc) { - DRM_ERROR("failed to get %s clk. err=%d\n", - dp_parser_pm_name(DP_CORE_PM), rc); + if (rc) return rc; - } rc = devm_clk_bulk_get(dev, ctrl->num_clk, ctrl->clocks); - if (rc) { - DRM_ERROR("failed to get %s clk. err=%d\n", - dp_parser_pm_name(DP_CTRL_PM), rc); + if (rc) return -ENODEV; - } rc = devm_clk_bulk_get(dev, stream->num_clk, stream->clocks); - if (rc) { - DRM_ERROR("failed to get %s clk. err=%d\n", - dp_parser_pm_name(DP_CTRL_PM), rc); + if (rc) return -ENODEV; - } return 0; } @@ -121,11 +111,9 @@ int dp_power_clk_enable(struct dp_power *dp_power, mp = &power->parser->mp[DP_CORE_PM]; rc = clk_bulk_prepare_enable(mp->num_clk, mp->clocks); - if (rc) { - DRM_ERROR("fail to enable clks: %s. err=%d\n", - dp_parser_pm_name(DP_CORE_PM), rc); + if (rc) return rc; - } + dp_power->core_clks_on = true; } } @@ -133,10 +121,8 @@ int dp_power_clk_enable(struct dp_power *dp_power, mp = &power->parser->mp[pm_type]; if (enable) { rc = clk_bulk_prepare_enable(mp->num_clk, mp->clocks); - if (rc) { - DRM_ERROR("failed to enable clks, err: %d\n", rc); + if (rc) return rc; - } } else { clk_bulk_disable_unprepare(mp->num_clk, mp->clocks); } @@ -162,63 +148,37 @@ int dp_power_clk_enable(struct dp_power *dp_power, int dp_power_client_init(struct dp_power *dp_power) { - int rc = 0; struct dp_power_private *power; - if (!dp_power) { - DRM_ERROR("invalid power data\n"); - return -EINVAL; - } - power = container_of(dp_power, struct dp_power_private, dp_power); - pm_runtime_enable(&power->pdev->dev); - - rc = dp_power_clk_init(power); - if (rc) - DRM_ERROR("failed to init clocks %d\n", rc); + pm_runtime_enable(power->dev); - return rc; + return dp_power_clk_init(power); } void dp_power_client_deinit(struct dp_power *dp_power) { struct dp_power_private *power; - if (!dp_power) { - DRM_ERROR("invalid power data\n"); - return; - } - power = container_of(dp_power, struct dp_power_private, dp_power); - pm_runtime_disable(&power->pdev->dev); + pm_runtime_disable(power->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; - if (!dp_power) { - DRM_ERROR("invalid power data\n"); - return -EINVAL; - } - power = container_of(dp_power, struct dp_power_private, dp_power); - pm_runtime_get_sync(&power->pdev->dev); + pm_runtime_get_sync(power->dev); rc = dp_power_clk_enable(dp_power, DP_CORE_PM, true); - if (rc) { - DRM_ERROR("failed to enable DP core clocks, %d\n", rc); - goto exit; - } - - return 0; + if (rc) + pm_runtime_put_sync(power->dev); -exit: - pm_runtime_put_sync(&power->pdev->dev); return rc; } @@ -229,7 +189,7 @@ int dp_power_deinit(struct dp_power *dp_power) power = container_of(dp_power, struct dp_power_private, dp_power); dp_power_clk_enable(dp_power, DP_CORE_PM, false); - pm_runtime_put_sync(&power->pdev->dev); + pm_runtime_put_sync(power->dev); return 0; } @@ -238,17 +198,11 @@ struct dp_power *dp_power_get(struct device *dev, struct dp_parser *parser) struct dp_power_private *power; struct dp_power *dp_power; - if (!parser) { - DRM_ERROR("invalid input\n"); - return ERR_PTR(-EINVAL); - } - - power = devm_kzalloc(&parser->pdev->dev, sizeof(*power), GFP_KERNEL); + power = devm_kzalloc(dev, sizeof(*power), GFP_KERNEL); if (!power) return ERR_PTR(-ENOMEM); power->parser = parser; - power->pdev = parser->pdev; power->dev = dev; dp_power = &power->dp_power; 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. |