diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_audio.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_audio.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_catalog.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_catalog.h | 3 | ||||
| -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 | 128 | ||||
| -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 |
13 files changed, 82 insertions, 317 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_audio.c b/drivers/gpu/drm/msm/dp/dp_audio.c index 6666783e1468..1245c7aa49df 100644 --- a/drivers/gpu/drm/msm/dp/dp_audio.c +++ b/drivers/gpu/drm/msm/dp/dp_audio.c @@ -593,6 +593,18 @@ static struct hdmi_codec_pdata codec_data = { .i2s = 1, }; +void dp_unregister_audio_driver(struct device *dev, struct dp_audio *dp_audio) +{ + struct dp_audio_private *audio_priv; + + audio_priv = container_of(dp_audio, struct dp_audio_private, dp_audio); + + if (audio_priv->audio_pdev) { + platform_device_unregister(audio_priv->audio_pdev); + audio_priv->audio_pdev = NULL; + } +} + int dp_register_audio_driver(struct device *dev, struct dp_audio *dp_audio) { diff --git a/drivers/gpu/drm/msm/dp/dp_audio.h b/drivers/gpu/drm/msm/dp/dp_audio.h index 84e5f4a5d26b..4ab78880af82 100644 --- a/drivers/gpu/drm/msm/dp/dp_audio.h +++ b/drivers/gpu/drm/msm/dp/dp_audio.h @@ -53,6 +53,8 @@ struct dp_audio *dp_audio_get(struct platform_device *pdev, int dp_register_audio_driver(struct device *dev, struct dp_audio *dp_audio); +void dp_unregister_audio_driver(struct device *dev, struct dp_audio *dp_audio); + /** * dp_audio_put() * diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index 7a8cf1c8233d..5142aeb705a4 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -620,7 +620,7 @@ void dp_catalog_hpd_config_intr(struct dp_catalog *dp_catalog, config & DP_DP_HPD_INT_MASK); } -void dp_catalog_ctrl_hpd_config(struct dp_catalog *dp_catalog) +void dp_catalog_ctrl_hpd_enable(struct dp_catalog *dp_catalog) { struct dp_catalog_private *catalog = container_of(dp_catalog, struct dp_catalog_private, dp_catalog); @@ -635,6 +635,19 @@ void dp_catalog_ctrl_hpd_config(struct dp_catalog *dp_catalog) dp_write_aux(catalog, REG_DP_DP_HPD_CTRL, DP_DP_HPD_CTRL_HPD_EN); } +void dp_catalog_ctrl_hpd_disable(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + u32 reftimer = dp_read_aux(catalog, REG_DP_DP_HPD_REFTIMER); + + reftimer &= ~DP_DP_HPD_REFTIMER_ENABLE; + dp_write_aux(catalog, REG_DP_DP_HPD_REFTIMER, reftimer); + + dp_write_aux(catalog, REG_DP_DP_HPD_CTRL, 0); +} + static void dp_catalog_enable_sdp(struct dp_catalog_private *catalog) { /* trigger sdp */ diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h index 82376a2697ef..38786e855b51 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.h +++ b/drivers/gpu/drm/msm/dp/dp_catalog.h @@ -104,7 +104,8 @@ bool dp_catalog_ctrl_mainlink_ready(struct dp_catalog *dp_catalog); void dp_catalog_ctrl_enable_irq(struct dp_catalog *dp_catalog, bool enable); void dp_catalog_hpd_config_intr(struct dp_catalog *dp_catalog, u32 intr_mask, bool en); -void dp_catalog_ctrl_hpd_config(struct dp_catalog *dp_catalog); +void dp_catalog_ctrl_hpd_enable(struct dp_catalog *dp_catalog); +void dp_catalog_ctrl_hpd_disable(struct dp_catalog *dp_catalog); void dp_catalog_ctrl_config_psr(struct dp_catalog *dp_catalog); void dp_catalog_ctrl_set_psr(struct dp_catalog *dp_catalog, bool enter); u32 dp_catalog_link_is_connected(struct dp_catalog *dp_catalog); 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..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" @@ -28,6 +27,10 @@ #include "dp_audio.h" #include "dp_debug.h" +static bool psr_enabled = false; +module_param(psr_enabled, bool, 0); +MODULE_PARM_DESC(psr_enabled, "enable PSR for eDP and DP displays"); + #define HPD_STRING_SIZE 30 enum { @@ -88,7 +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; @@ -98,7 +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; @@ -325,7 +326,10 @@ 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); dp->drm_dev = NULL; dp->aux->drm_dev = NULL; @@ -406,7 +410,7 @@ static int dp_display_process_hpd_high(struct dp_display_private *dp) edid = dp->panel->edid; - dp->dp_display.psr_supported = dp->panel->psr_cap.version; + dp->dp_display.psr_supported = dp->panel->psr_cap.version && psr_enabled; dp->audio_supported = drm_detect_monitor_audio(edid); dp_panel_handle_sink_request(dp->panel); @@ -462,7 +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; @@ -489,11 +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); @@ -578,13 +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; @@ -615,12 +610,6 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) dp->hpd_state = ST_MAINLINK_READY; } - /* enable HDP irq_hpd/replug interrupt */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK, - true); - drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", dp->dp_display.connector_type, state); mutex_unlock(&dp->event_mutex); @@ -645,12 +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; @@ -658,12 +643,6 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) drm_dbg_dp(dp->drm_dev, "Before, type=%d hpd_state=%d\n", dp->dp_display.connector_type, state); - /* disable irq_hpd/replug interrupts */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_IRQ_HPD_INT_MASK | DP_DP_HPD_REPLUG_INT_MASK, - false); - /* unplugged, no more irq_hpd handle */ dp_del_event(dp, EV_IRQ_HPD_INT); @@ -687,10 +666,6 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) return 0; } - /* disable HPD plug interrupts */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK, false); - /* * We don't need separate work for disconnect as * connect/attention interrupts are disabled @@ -706,10 +681,6 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) /* signal the disconnect event early to ensure proper teardown */ dp_display_handle_plugged_change(&dp->dp_display, false); - /* enable HDP plug interrupt to prepare for next plugin */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK, true); - drm_dbg_dp(dp->drm_dev, "After, type=%d hpd_state=%d\n", dp->dp_display.connector_type, state); @@ -763,24 +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); @@ -1082,26 +1039,6 @@ void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp) mutex_unlock(&dp_display->event_mutex); } -static void dp_display_config_hpd(struct dp_display_private *dp) -{ - - dp_display_host_init(dp); - dp_catalog_ctrl_hpd_config(dp->catalog); - - /* Enable plug and unplug interrupts only if requested */ - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_HPD_PLUG_INT_MASK | - DP_DP_HPD_UNPLUG_INT_MASK, - true); - - /* Enable interrupt first time - * we are leaving dp clocks on during disconnect - * and never disable interrupt - */ - enable_irq(dp->irq); -} - void dp_display_set_psr(struct msm_dp *dp_display, bool enter) { struct dp_display_private *dp; @@ -1176,7 +1113,7 @@ static int hpd_event_thread(void *data) switch (todo->event_id) { case EV_HPD_INIT_SETUP: - dp_display_config_hpd(dp_priv); + dp_display_host_init(dp_priv); break; case EV_HPD_PLUG_INT: dp_hpd_plug_handle(dp_priv, todo->data); @@ -1282,7 +1219,6 @@ int dp_display_request_irq(struct msm_dp *dp_display) dp->irq, rc); return rc; } - disable_irq(dp->irq); return 0; } @@ -1364,9 +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; @@ -1394,13 +1330,8 @@ static int dp_pm_resume(struct device *dev) /* turn on dp ctrl/phy */ dp_display_host_init(dp); - dp_catalog_ctrl_hpd_config(dp->catalog); - - if (dp->dp_display.internal_hpd) - dp_catalog_hpd_config_intr(dp->catalog, - DP_DP_HPD_PLUG_INT_MASK | - DP_DP_HPD_UNPLUG_INT_MASK, - true); + if (dp_display->is_edp) + dp_catalog_ctrl_hpd_enable(dp->catalog); if (dp_catalog_link_is_connected(dp->catalog)) { /* @@ -1540,7 +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)) { @@ -1550,11 +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; @@ -1568,9 +1494,8 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) if (aux_bus && dp->is_edp) { dp_display_host_init(dp_priv); - dp_catalog_ctrl_hpd_config(dp_priv->catalog); + dp_catalog_ctrl_hpd_enable(dp_priv->catalog); dp_display_host_phy_init(dp_priv); - enable_irq(dp_priv->irq); /* * The code below assumes that the panel will finish probing @@ -1583,12 +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; @@ -1612,7 +1531,7 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) error: if (dp->is_edp) { - disable_irq(dp_priv->irq); + of_dp_aux_depopulate_bus(dp_priv->aux); dp_display_host_phy_exit(dp_priv); dp_display_host_deinit(dp_priv); } @@ -1801,16 +1720,31 @@ void dp_bridge_hpd_enable(struct drm_bridge *bridge) { struct msm_dp_bridge *dp_bridge = to_dp_bridge(bridge); struct msm_dp *dp_display = dp_bridge->dp_display; + struct dp_display_private *dp = container_of(dp_display, struct dp_display_private, dp_display); + + mutex_lock(&dp->event_mutex); + dp_catalog_ctrl_hpd_enable(dp->catalog); + + /* enable HDP interrupts */ + dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, true); dp_display->internal_hpd = true; + mutex_unlock(&dp->event_mutex); } void dp_bridge_hpd_disable(struct drm_bridge *bridge) { struct msm_dp_bridge *dp_bridge = to_dp_bridge(bridge); struct msm_dp *dp_display = dp_bridge->dp_display; + struct dp_display_private *dp = container_of(dp_display, struct dp_display_private, dp_display); + + mutex_lock(&dp->event_mutex); + /* disable HDP interrupts */ + dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_INT_MASK, false); + dp_catalog_ctrl_hpd_disable(dp->catalog); dp_display->internal_hpd = false; + mutex_unlock(&dp->event_mutex); } void dp_bridge_hpd_notify(struct drm_bridge *bridge, 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. |