diff options
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r-- | drivers/gpu/drm/bridge/Kconfig | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 192 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix_dp_core.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 52 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/display-connector.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/imx/imx-ldb-helper.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/imx/imx-ldb-helper.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/imx/imx8qm-ldb.c | 32 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c | 20 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 13 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/tda998x_drv.c | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 |
15 files changed, 178 insertions, 192 deletions
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 09a1be234f71..b9e0ca85226a 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -16,6 +16,7 @@ config DRM_AUX_BRIDGE tristate depends on DRM_BRIDGE && OF select AUXILIARY_BUS + select DRM_KMS_HELPER select DRM_PANEL_BRIDGE help Simple transparent bridge that is used by several non-DRM drivers to diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c index f2bafa6cf779..f3fe47b12edc 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c @@ -664,9 +664,10 @@ static int anx6345_i2c_probe(struct i2c_client *client) struct device *dev; int i, err; - anx6345 = devm_kzalloc(&client->dev, sizeof(*anx6345), GFP_KERNEL); - if (!anx6345) - return -ENOMEM; + anx6345 = devm_drm_bridge_alloc(&client->dev, struct anx6345, bridge, + &anx6345_bridge_funcs); + if (IS_ERR(anx6345)) + return PTR_ERR(anx6345); mutex_init(&anx6345->lock); @@ -738,7 +739,6 @@ static int anx6345_i2c_probe(struct i2c_client *client) /* Look for supported chip ID */ anx6345_poweron(anx6345); if (anx6345_get_chip_id(anx6345)) { - anx6345->bridge.funcs = &anx6345_bridge_funcs; drm_bridge_add(&anx6345->bridge); return 0; diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 042154e2d8cc..a761941bc3c2 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -838,10 +838,7 @@ static int analogix_dp_commit(struct analogix_dp_device *dp) int ret; /* Keep the panel disabled while we configure video */ - if (dp->plat_data->panel) { - if (drm_panel_disable(dp->plat_data->panel)) - DRM_ERROR("failed to disable the panel\n"); - } + drm_panel_disable(dp->plat_data->panel); ret = analogix_dp_train_link(dp); if (ret) { @@ -863,13 +860,7 @@ static int analogix_dp_commit(struct analogix_dp_device *dp) } /* Safe to enable the panel now */ - if (dp->plat_data->panel) { - ret = drm_panel_enable(dp->plat_data->panel); - if (ret) { - DRM_ERROR("failed to enable the panel\n"); - return ret; - } - } + drm_panel_enable(dp->plat_data->panel); /* Check whether panel supports fast training */ ret = analogix_dp_fast_link_train_detection(dp); @@ -955,67 +946,15 @@ static int analogix_dp_disable_psr(struct analogix_dp_device *dp) return analogix_dp_send_psr_spd(dp, &psr_vsc, true); } -/* - * This function is a bit of a catch-all for panel preparation, hopefully - * simplifying the logic of functions that need to prepare/unprepare the panel - * below. - * - * If @prepare is true, this function will prepare the panel. Conversely, if it - * is false, the panel will be unprepared. - * - * If @is_modeset_prepare is true, the function will disregard the current state - * of the panel and either prepare/unprepare the panel based on @prepare. Once - * it finishes, it will update dp->panel_is_modeset to reflect the current state - * of the panel. - */ -static int analogix_dp_prepare_panel(struct analogix_dp_device *dp, - bool prepare, bool is_modeset_prepare) -{ - int ret = 0; - - if (!dp->plat_data->panel) - return 0; - - mutex_lock(&dp->panel_lock); - - /* - * Exit early if this is a temporary prepare/unprepare and we're already - * modeset (since we neither want to prepare twice or unprepare early). - */ - if (dp->panel_is_modeset && !is_modeset_prepare) - goto out; - - if (prepare) - ret = drm_panel_prepare(dp->plat_data->panel); - else - ret = drm_panel_unprepare(dp->plat_data->panel); - - if (ret) - goto out; - - if (is_modeset_prepare) - dp->panel_is_modeset = prepare; - -out: - mutex_unlock(&dp->panel_lock); - return ret; -} - static int analogix_dp_get_modes(struct drm_connector *connector) { struct analogix_dp_device *dp = to_dp(connector); const struct drm_edid *drm_edid; - int ret, num_modes = 0; + int num_modes = 0; if (dp->plat_data->panel) { num_modes += drm_panel_get_modes(dp->plat_data->panel, connector); } else { - ret = analogix_dp_prepare_panel(dp, true, false); - if (ret) { - DRM_ERROR("Failed to prepare panel (%d)\n", ret); - return 0; - } - drm_edid = drm_edid_read_ddc(connector, &dp->aux.ddc); drm_edid_connector_update(&dp->connector, drm_edid); @@ -1024,10 +963,6 @@ static int analogix_dp_get_modes(struct drm_connector *connector) num_modes += drm_edid_connector_add_modes(&dp->connector); drm_edid_free(drm_edid); } - - ret = analogix_dp_prepare_panel(dp, false, false); - if (ret) - DRM_ERROR("Failed to unprepare panel (%d)\n", ret); } if (dp->plat_data->get_modes) @@ -1082,24 +1017,13 @@ analogix_dp_detect(struct drm_connector *connector, bool force) { struct analogix_dp_device *dp = to_dp(connector); enum drm_connector_status status = connector_status_disconnected; - int ret; if (dp->plat_data->panel) return connector_status_connected; - ret = analogix_dp_prepare_panel(dp, true, false); - if (ret) { - DRM_ERROR("Failed to prepare panel (%d)\n", ret); - return connector_status_disconnected; - } - if (!analogix_dp_detect_hpd(dp)) status = connector_status_connected; - ret = analogix_dp_prepare_panel(dp, false, false); - if (ret) - DRM_ERROR("Failed to unprepare panel (%d)\n", ret); - return status; } @@ -1203,7 +1127,6 @@ static void analogix_dp_bridge_atomic_pre_enable(struct drm_bridge *bridge, struct analogix_dp_device *dp = bridge->driver_private; struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state; - int ret; crtc = analogix_dp_get_new_crtc(dp, old_state); if (!crtc) @@ -1214,9 +1137,7 @@ static void analogix_dp_bridge_atomic_pre_enable(struct drm_bridge *bridge, if (old_crtc_state && old_crtc_state->self_refresh_active) return; - ret = analogix_dp_prepare_panel(dp, true, true); - if (ret) - DRM_ERROR("failed to setup the panel ret = %d\n", ret); + drm_panel_prepare(dp->plat_data->panel); } static int analogix_dp_set_bridge(struct analogix_dp_device *dp) @@ -1296,17 +1217,11 @@ static void analogix_dp_bridge_atomic_enable(struct drm_bridge *bridge, static void analogix_dp_bridge_disable(struct drm_bridge *bridge) { struct analogix_dp_device *dp = bridge->driver_private; - int ret; if (dp->dpms_mode != DRM_MODE_DPMS_ON) return; - if (dp->plat_data->panel) { - if (drm_panel_disable(dp->plat_data->panel)) { - DRM_ERROR("failed to disable the panel\n"); - return; - } - } + drm_panel_disable(dp->plat_data->panel); disable_irq(dp->irq); @@ -1314,9 +1229,7 @@ static void analogix_dp_bridge_disable(struct drm_bridge *bridge) pm_runtime_put_sync(dp->dev); - ret = analogix_dp_prepare_panel(dp, false, true); - if (ret) - DRM_ERROR("failed to setup the panel ret = %d\n", ret); + drm_panel_unprepare(dp->plat_data->panel); dp->fast_train_enable = false; dp->psr_supported = false; @@ -1505,6 +1418,10 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp) video_info->max_link_rate = 0x0A; video_info->max_lane_count = 0x04; break; + case RK3588_EDP: + video_info->max_link_rate = 0x14; + video_info->max_lane_count = 0x04; + break; case EXYNOS_DP: /* * NOTE: those property parseing code is used for @@ -1540,6 +1457,26 @@ out: return ret; } +static int analogix_dpaux_wait_hpd_asserted(struct drm_dp_aux *aux, unsigned long wait_us) +{ + struct analogix_dp_device *dp = to_dp(aux); + int val; + int ret; + + if (dp->force_hpd) + return 0; + + pm_runtime_get_sync(dp->dev); + + ret = readx_poll_timeout(analogix_dp_get_plug_in_status, dp, val, !val, + wait_us / 100, wait_us); + + pm_runtime_mark_last_busy(dp->dev); + pm_runtime_put_autosuspend(dp->dev); + + return ret; +} + struct analogix_dp_device * analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) { @@ -1560,9 +1497,6 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) dp->dev = &pdev->dev; dp->dpms_mode = DRM_MODE_DPMS_OFF; - mutex_init(&dp->panel_lock); - dp->panel_is_modeset = false; - /* * platform dp driver need containor_of the plat_data to get * the driver private data, so we need to store the point of @@ -1625,10 +1559,10 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) * that we can get the current state of the GPIO. */ dp->irq = gpiod_to_irq(dp->hpd_gpiod); - irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING; + irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN; } else { dp->irq = platform_get_irq(pdev, 0); - irq_flags = 0; + irq_flags = IRQF_NO_AUTOEN; } if (dp->irq == -ENXIO) { @@ -1645,7 +1579,18 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data) dev_err(&pdev->dev, "failed to request irq\n"); goto err_disable_clk; } - disable_irq(dp->irq); + + dp->aux.name = "DP-AUX"; + dp->aux.transfer = analogix_dpaux_transfer; + dp->aux.wait_hpd_asserted = analogix_dpaux_wait_hpd_asserted; + dp->aux.dev = dp->dev; + drm_dp_aux_init(&dp->aux); + + pm_runtime_use_autosuspend(dp->dev); + pm_runtime_set_autosuspend_delay(dp->dev, 100); + ret = devm_pm_runtime_enable(dp->dev); + if (ret) + goto err_disable_clk; return dp; @@ -1681,6 +1626,7 @@ int analogix_dp_resume(struct analogix_dp_device *dp) if (dp->plat_data->power_on) dp->plat_data->power_on(dp->plat_data); + phy_set_mode(dp->phy, PHY_MODE_DP); phy_power_on(dp->phy); analogix_dp_init_dp(dp); @@ -1696,25 +1642,12 @@ int analogix_dp_bind(struct analogix_dp_device *dp, struct drm_device *drm_dev) dp->drm_dev = drm_dev; dp->encoder = dp->plat_data->encoder; - if (IS_ENABLED(CONFIG_PM)) { - pm_runtime_use_autosuspend(dp->dev); - pm_runtime_set_autosuspend_delay(dp->dev, 100); - pm_runtime_enable(dp->dev); - } else { - ret = analogix_dp_resume(dp); - if (ret) - return ret; - } - - dp->aux.name = "DP-AUX"; - dp->aux.transfer = analogix_dpaux_transfer; - dp->aux.dev = dp->dev; dp->aux.drm_dev = drm_dev; ret = drm_dp_aux_register(&dp->aux); if (ret) { DRM_ERROR("failed to register AUX (%d)\n", ret); - goto err_disable_pm_runtime; + return ret; } ret = analogix_dp_create_bridge(drm_dev, dp); @@ -1727,13 +1660,6 @@ int analogix_dp_bind(struct analogix_dp_device *dp, struct drm_device *drm_dev) err_unregister_aux: drm_dp_aux_unregister(&dp->aux); -err_disable_pm_runtime: - if (IS_ENABLED(CONFIG_PM)) { - pm_runtime_dont_use_autosuspend(dp->dev); - pm_runtime_disable(dp->dev); - } else { - analogix_dp_suspend(dp); - } return ret; } @@ -1744,19 +1670,9 @@ void analogix_dp_unbind(struct analogix_dp_device *dp) analogix_dp_bridge_disable(dp->bridge); dp->connector.funcs->destroy(&dp->connector); - if (dp->plat_data->panel) { - if (drm_panel_unprepare(dp->plat_data->panel)) - DRM_ERROR("failed to turnoff the panel\n"); - } + drm_panel_unprepare(dp->plat_data->panel); drm_dp_aux_unregister(&dp->aux); - - if (IS_ENABLED(CONFIG_PM)) { - pm_runtime_dont_use_autosuspend(dp->dev); - pm_runtime_disable(dp->dev); - } else { - analogix_dp_suspend(dp); - } } EXPORT_SYMBOL_GPL(analogix_dp_unbind); @@ -1782,6 +1698,20 @@ int analogix_dp_stop_crc(struct drm_connector *connector) } EXPORT_SYMBOL_GPL(analogix_dp_stop_crc); +struct analogix_dp_plat_data *analogix_dp_aux_to_plat_data(struct drm_dp_aux *aux) +{ + struct analogix_dp_device *dp = to_dp(aux); + + return dp->plat_data; +} +EXPORT_SYMBOL_GPL(analogix_dp_aux_to_plat_data); + +struct drm_dp_aux *analogix_dp_get_aux(struct analogix_dp_device *dp) +{ + return &dp->aux; +} +EXPORT_SYMBOL_GPL(analogix_dp_get_aux); + MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>"); MODULE_DESCRIPTION("Analogix DP Core Driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h index 774d11574b09..2b54120ba4a3 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h @@ -169,9 +169,6 @@ struct analogix_dp_device { bool fast_train_enable; bool psr_supported; - struct mutex panel_lock; - bool panel_is_modeset; - struct analogix_dp_plat_data *plat_data; }; diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index 3afc73c858c4..38fd8d5014d2 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -11,6 +11,7 @@ #include <linux/gpio/consumer.h> #include <linux/io.h> #include <linux/iopoll.h> +#include <linux/phy/phy.h> #include <drm/bridge/analogix_dp.h> @@ -513,10 +514,24 @@ void analogix_dp_enable_sw_function(struct analogix_dp_device *dp) void analogix_dp_set_link_bandwidth(struct analogix_dp_device *dp, u32 bwtype) { u32 reg; + int ret; reg = bwtype; if ((bwtype == DP_LINK_BW_2_7) || (bwtype == DP_LINK_BW_1_62)) writel(reg, dp->reg_base + ANALOGIX_DP_LINK_BW_SET); + + if (dp->phy) { + union phy_configure_opts phy_cfg = {0}; + + phy_cfg.dp.link_rate = + drm_dp_bw_code_to_link_rate(dp->link_train.link_rate) / 100; + phy_cfg.dp.set_rate = true; + ret = phy_configure(dp->phy, &phy_cfg); + if (ret && ret != -EOPNOTSUPP) { + dev_err(dp->dev, "%s: phy_configure() failed: %d\n", __func__, ret); + return; + } + } } void analogix_dp_get_link_bandwidth(struct analogix_dp_device *dp, u32 *bwtype) @@ -530,9 +545,22 @@ void analogix_dp_get_link_bandwidth(struct analogix_dp_device *dp, u32 *bwtype) void analogix_dp_set_lane_count(struct analogix_dp_device *dp, u32 count) { u32 reg; + int ret; reg = count; writel(reg, dp->reg_base + ANALOGIX_DP_LANE_COUNT_SET); + + if (dp->phy) { + union phy_configure_opts phy_cfg = {0}; + + phy_cfg.dp.lanes = dp->link_train.lane_count; + phy_cfg.dp.set_lanes = true; + ret = phy_configure(dp->phy, &phy_cfg); + if (ret && ret != -EOPNOTSUPP) { + dev_err(dp->dev, "%s: phy_configure() failed: %d\n", __func__, ret); + return; + } + } } void analogix_dp_get_lane_count(struct analogix_dp_device *dp, u32 *count) @@ -546,10 +574,34 @@ void analogix_dp_get_lane_count(struct analogix_dp_device *dp, u32 *count) void analogix_dp_set_lane_link_training(struct analogix_dp_device *dp) { u8 lane; + int ret; for (lane = 0; lane < dp->link_train.lane_count; lane++) writel(dp->link_train.training_lane[lane], dp->reg_base + ANALOGIX_DP_LN0_LINK_TRAINING_CTL + 4 * lane); + + if (dp->phy) { + union phy_configure_opts phy_cfg = {0}; + + for (lane = 0; lane < dp->link_train.lane_count; lane++) { + u8 training_lane = dp->link_train.training_lane[lane]; + u8 vs, pe; + + vs = (training_lane & DP_TRAIN_VOLTAGE_SWING_MASK) >> + DP_TRAIN_VOLTAGE_SWING_SHIFT; + pe = (training_lane & DP_TRAIN_PRE_EMPHASIS_MASK) >> + DP_TRAIN_PRE_EMPHASIS_SHIFT; + phy_cfg.dp.voltage[lane] = vs; + phy_cfg.dp.pre[lane] = pe; + } + + phy_cfg.dp.set_voltages = true; + ret = phy_configure(dp->phy, &phy_cfg); + if (ret && ret != -EOPNOTSUPP) { + dev_err(dp->dev, "%s: phy_configure() failed: %d\n", __func__, ret); + return; + } + } } u32 analogix_dp_get_lane_link_training(struct analogix_dp_device *dp, u8 lane) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 866806e908cd..8bfe477c476c 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -2569,12 +2569,6 @@ static const struct dev_pm_ops anx7625_pm_ops = { anx7625_runtime_pm_resume, NULL) }; -static void anx7625_runtime_disable(void *data) -{ - pm_runtime_dont_use_autosuspend(data); - pm_runtime_disable(data); -} - static int anx7625_link_bridge(struct drm_dp_aux *aux) { struct anx7625_data *platform = container_of(aux, struct anx7625_data, aux); @@ -2708,11 +2702,10 @@ static int anx7625_i2c_probe(struct i2c_client *client) goto free_wq; } - pm_runtime_enable(dev); pm_runtime_set_autosuspend_delay(dev, 1000); pm_runtime_use_autosuspend(dev); pm_suspend_ignore_children(dev, true); - ret = devm_add_action_or_reset(dev, anx7625_runtime_disable, dev); + ret = devm_pm_runtime_enable(dev); if (ret) goto free_wq; diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c index 09c08a53d5bd..badd2c7f91a1 100644 --- a/drivers/gpu/drm/bridge/display-connector.c +++ b/drivers/gpu/drm/bridge/display-connector.c @@ -210,9 +210,10 @@ static int display_connector_probe(struct platform_device *pdev) const char *label = NULL; int ret; - conn = devm_kzalloc(&pdev->dev, sizeof(*conn), GFP_KERNEL); - if (!conn) - return -ENOMEM; + conn = devm_drm_bridge_alloc(&pdev->dev, struct display_connector, bridge, + &display_connector_bridge_funcs); + if (IS_ERR(conn)) + return PTR_ERR(conn); platform_set_drvdata(pdev, conn); @@ -362,7 +363,6 @@ static int display_connector_probe(struct platform_device *pdev) } } - conn->bridge.funcs = &display_connector_bridge_funcs; conn->bridge.of_node = pdev->dev.of_node; if (conn->bridge.ddc) diff --git a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c index 61347f6ec33d..6149ba141a38 100644 --- a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c +++ b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c @@ -190,8 +190,7 @@ int ldb_find_next_bridge_helper(struct ldb *ldb) } EXPORT_SYMBOL_GPL(ldb_find_next_bridge_helper); -void ldb_add_bridge_helper(struct ldb *ldb, - const struct drm_bridge_funcs *bridge_funcs) +void ldb_add_bridge_helper(struct ldb *ldb) { struct ldb_channel *ldb_ch; int i; @@ -203,7 +202,6 @@ void ldb_add_bridge_helper(struct ldb *ldb, continue; ldb_ch->bridge.driver_private = ldb_ch; - ldb_ch->bridge.funcs = bridge_funcs; ldb_ch->bridge.of_node = ldb_ch->np; drm_bridge_add(&ldb_ch->bridge); diff --git a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.h b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.h index 38a8a54b37a6..de187e326999 100644 --- a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.h +++ b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.h @@ -88,8 +88,7 @@ int ldb_init_helper(struct ldb *ldb); int ldb_find_next_bridge_helper(struct ldb *ldb); -void ldb_add_bridge_helper(struct ldb *ldb, - const struct drm_bridge_funcs *bridge_funcs); +void ldb_add_bridge_helper(struct ldb *ldb); void ldb_remove_bridge_helper(struct ldb *ldb); diff --git a/drivers/gpu/drm/bridge/imx/imx8qm-ldb.c b/drivers/gpu/drm/bridge/imx/imx8qm-ldb.c index 524aac751359..47aa65938e6a 100644 --- a/drivers/gpu/drm/bridge/imx/imx8qm-ldb.c +++ b/drivers/gpu/drm/bridge/imx/imx8qm-ldb.c @@ -47,7 +47,7 @@ struct imx8qm_ldb_channel { struct imx8qm_ldb { struct ldb base; struct device *dev; - struct imx8qm_ldb_channel channel[MAX_LDB_CHAN_NUM]; + struct imx8qm_ldb_channel *channel[MAX_LDB_CHAN_NUM]; struct clk *clk_pixel; struct clk *clk_bypass; int active_chno; @@ -107,7 +107,7 @@ static int imx8qm_ldb_bridge_atomic_check(struct drm_bridge *bridge, if (is_split) { imx8qm_ldb_ch = - &imx8qm_ldb->channel[imx8qm_ldb->active_chno ^ 1]; + imx8qm_ldb->channel[imx8qm_ldb->active_chno ^ 1]; imx8qm_ldb_set_phy_cfg(imx8qm_ldb, di_clk, is_split, true, phy_cfg); ret = phy_validate(imx8qm_ldb_ch->phy, PHY_MODE_LVDS, 0, &opts); @@ -158,7 +158,7 @@ imx8qm_ldb_bridge_mode_set(struct drm_bridge *bridge, if (is_split) { imx8qm_ldb_ch = - &imx8qm_ldb->channel[imx8qm_ldb->active_chno ^ 1]; + imx8qm_ldb->channel[imx8qm_ldb->active_chno ^ 1]; imx8qm_ldb_set_phy_cfg(imx8qm_ldb, di_clk, is_split, true, phy_cfg); ret = phy_configure(imx8qm_ldb_ch->phy, &opts); @@ -226,13 +226,13 @@ static void imx8qm_ldb_bridge_atomic_enable(struct drm_bridge *bridge, } if (is_split) { - ret = phy_power_on(imx8qm_ldb->channel[0].phy); + ret = phy_power_on(imx8qm_ldb->channel[0]->phy); if (ret) DRM_DEV_ERROR(dev, "failed to power on channel0 PHY: %d\n", ret); - ret = phy_power_on(imx8qm_ldb->channel[1].phy); + ret = phy_power_on(imx8qm_ldb->channel[1]->phy); if (ret) DRM_DEV_ERROR(dev, "failed to power on channel1 PHY: %d\n", @@ -261,12 +261,12 @@ static void imx8qm_ldb_bridge_atomic_disable(struct drm_bridge *bridge, ldb_bridge_disable_helper(bridge); if (is_split) { - ret = phy_power_off(imx8qm_ldb->channel[0].phy); + ret = phy_power_off(imx8qm_ldb->channel[0]->phy); if (ret) DRM_DEV_ERROR(dev, "failed to power off channel0 PHY: %d\n", ret); - ret = phy_power_off(imx8qm_ldb->channel[1].phy); + ret = phy_power_off(imx8qm_ldb->channel[1]->phy); if (ret) DRM_DEV_ERROR(dev, "failed to power off channel1 PHY: %d\n", @@ -412,7 +412,7 @@ static int imx8qm_ldb_get_phy(struct imx8qm_ldb *imx8qm_ldb) int i, ret; for (i = 0; i < MAX_LDB_CHAN_NUM; i++) { - imx8qm_ldb_ch = &imx8qm_ldb->channel[i]; + imx8qm_ldb_ch = imx8qm_ldb->channel[i]; ldb_ch = &imx8qm_ldb_ch->base; if (!ldb_ch->is_available) @@ -448,6 +448,14 @@ static int imx8qm_ldb_probe(struct platform_device *pdev) if (!imx8qm_ldb) return -ENOMEM; + for (i = 0; i < MAX_LDB_CHAN_NUM; i++) { + imx8qm_ldb->channel[i] = + devm_drm_bridge_alloc(dev, struct imx8qm_ldb_channel, base.bridge, + &imx8qm_ldb_bridge_funcs); + if (IS_ERR(imx8qm_ldb->channel[i])) + return PTR_ERR(imx8qm_ldb->channel[i]); + } + imx8qm_ldb->clk_pixel = devm_clk_get(dev, "pixel"); if (IS_ERR(imx8qm_ldb->clk_pixel)) { ret = PTR_ERR(imx8qm_ldb->clk_pixel); @@ -473,7 +481,7 @@ static int imx8qm_ldb_probe(struct platform_device *pdev) ldb->ctrl_reg = 0xe0; for (i = 0; i < MAX_LDB_CHAN_NUM; i++) - ldb->channel[i] = &imx8qm_ldb->channel[i].base; + ldb->channel[i] = &imx8qm_ldb->channel[i]->base; ret = ldb_init_helper(ldb); if (ret) @@ -499,12 +507,12 @@ static int imx8qm_ldb_probe(struct platform_device *pdev) } imx8qm_ldb->active_chno = 0; - imx8qm_ldb_ch = &imx8qm_ldb->channel[0]; + imx8qm_ldb_ch = imx8qm_ldb->channel[0]; ldb_ch = &imx8qm_ldb_ch->base; ldb_ch->link_type = pixel_order; } else { for (i = 0; i < MAX_LDB_CHAN_NUM; i++) { - imx8qm_ldb_ch = &imx8qm_ldb->channel[i]; + imx8qm_ldb_ch = imx8qm_ldb->channel[i]; ldb_ch = &imx8qm_ldb_ch->base; if (ldb_ch->is_available) { @@ -525,7 +533,7 @@ static int imx8qm_ldb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, imx8qm_ldb); pm_runtime_enable(dev); - ldb_add_bridge_helper(ldb, &imx8qm_ldb_bridge_funcs); + ldb_add_bridge_helper(ldb); return ret; } diff --git a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c index d4f3492ca5ab..5d272916e200 100644 --- a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c +++ b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c @@ -44,7 +44,7 @@ struct imx8qxp_ldb_channel { struct imx8qxp_ldb { struct ldb base; struct device *dev; - struct imx8qxp_ldb_channel channel[MAX_LDB_CHAN_NUM]; + struct imx8qxp_ldb_channel *channel[MAX_LDB_CHAN_NUM]; struct clk *clk_pixel; struct clk *clk_bypass; struct drm_bridge *companion; @@ -410,7 +410,7 @@ static const struct drm_bridge_funcs imx8qxp_ldb_bridge_funcs = { static int imx8qxp_ldb_set_di_id(struct imx8qxp_ldb *imx8qxp_ldb) { struct imx8qxp_ldb_channel *imx8qxp_ldb_ch = - &imx8qxp_ldb->channel[imx8qxp_ldb->active_chno]; + imx8qxp_ldb->channel[imx8qxp_ldb->active_chno]; struct ldb_channel *ldb_ch = &imx8qxp_ldb_ch->base; struct device_node *ep, *remote; struct device *dev = imx8qxp_ldb->dev; @@ -456,7 +456,7 @@ imx8qxp_ldb_check_chno_and_dual_link(struct ldb_channel *ldb_ch, int link) static int imx8qxp_ldb_parse_dt_companion(struct imx8qxp_ldb *imx8qxp_ldb) { struct imx8qxp_ldb_channel *imx8qxp_ldb_ch = - &imx8qxp_ldb->channel[imx8qxp_ldb->active_chno]; + imx8qxp_ldb->channel[imx8qxp_ldb->active_chno]; struct ldb_channel *ldb_ch = &imx8qxp_ldb_ch->base; struct ldb_channel *companion_ldb_ch; struct device_node *companion; @@ -586,6 +586,14 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) if (!imx8qxp_ldb) return -ENOMEM; + for (i = 0; i < MAX_LDB_CHAN_NUM; i++) { + imx8qxp_ldb->channel[i] = + devm_drm_bridge_alloc(dev, struct imx8qxp_ldb_channel, base.bridge, + &imx8qxp_ldb_bridge_funcs); + if (IS_ERR(imx8qxp_ldb->channel[i])) + return PTR_ERR(imx8qxp_ldb->channel[i]); + } + imx8qxp_ldb->clk_pixel = devm_clk_get(dev, "pixel"); if (IS_ERR(imx8qxp_ldb->clk_pixel)) { ret = PTR_ERR(imx8qxp_ldb->clk_pixel); @@ -611,7 +619,7 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) ldb->ctrl_reg = 0xe0; for (i = 0; i < MAX_LDB_CHAN_NUM; i++) - ldb->channel[i] = &imx8qxp_ldb->channel[i].base; + ldb->channel[i] = &imx8qxp_ldb->channel[i]->base; ret = ldb_init_helper(ldb); if (ret) @@ -627,7 +635,7 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) } for (i = 0; i < MAX_LDB_CHAN_NUM; i++) { - imx8qxp_ldb_ch = &imx8qxp_ldb->channel[i]; + imx8qxp_ldb_ch = imx8qxp_ldb->channel[i]; ldb_ch = &imx8qxp_ldb_ch->base; if (ldb_ch->is_available) { @@ -660,7 +668,7 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, imx8qxp_ldb); pm_runtime_enable(dev); - ldb_add_bridge_helper(ldb, &imx8qxp_ldb_bridge_funcs); + ldb_add_bridge_helper(ldb); return 0; } diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index 20bf1a3c786d..766da2cb45a7 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -775,9 +775,9 @@ static int lt9611uxc_probe(struct i2c_client *client) return -ENODEV; } - lt9611uxc = devm_kzalloc(dev, sizeof(*lt9611uxc), GFP_KERNEL); - if (!lt9611uxc) - return -ENOMEM; + lt9611uxc = devm_drm_bridge_alloc(dev, struct lt9611uxc, bridge, <9611uxc_bridge_funcs); + if (IS_ERR(lt9611uxc)) + return PTR_ERR(lt9611uxc); lt9611uxc->dev = dev; lt9611uxc->client = client; @@ -856,7 +856,6 @@ retry: i2c_set_clientdata(client, lt9611uxc); - lt9611uxc->bridge.funcs = <9611uxc_bridge_funcs; lt9611uxc->bridge.of_node = client->dev.of_node; lt9611uxc->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID; if (lt9611uxc->hpd_supported) @@ -881,7 +880,11 @@ retry: } } - return lt9611uxc_audio_init(dev, lt9611uxc); + ret = lt9611uxc_audio_init(dev, lt9611uxc); + if (ret) + goto err_remove_bridge; + + return 0; err_remove_bridge: free_irq(client->irq, lt9611uxc); diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index b1cdf806b3c4..8791408dd1ff 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -22,8 +22,8 @@ #include <media/cec-notifier.h> -#include <uapi/linux/media-bus-format.h> -#include <uapi/linux/videodev2.h> +#include <linux/media-bus-format.h> +#include <linux/videodev2.h> #include <drm/bridge/dw_hdmi.h> #include <drm/display/drm_hdmi_helper.h> @@ -3333,9 +3333,9 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, u8 config0; u8 config3; - hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); - if (!hdmi) - return ERR_PTR(-ENOMEM); + hdmi = devm_drm_bridge_alloc(dev, struct dw_hdmi, bridge, &dw_hdmi_bridge_funcs); + if (IS_ERR(hdmi)) + return hdmi; hdmi->plat_data = plat_data; hdmi->dev = dev; @@ -3495,7 +3495,6 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, } hdmi->bridge.driver_private = hdmi; - hdmi->bridge.funcs = &dw_hdmi_bridge_funcs; hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID | DRM_BRIDGE_OP_HPD; hdmi->bridge.interlace_allowed = true; diff --git a/drivers/gpu/drm/bridge/tda998x_drv.c b/drivers/gpu/drm/bridge/tda998x_drv.c index ac87033ba537..850909f78a7b 100644 --- a/drivers/gpu/drm/bridge/tda998x_drv.c +++ b/drivers/gpu/drm/bridge/tda998x_drv.c @@ -1781,9 +1781,9 @@ static int tda998x_create(struct device *dev) u32 video; int rev_lo, rev_hi, ret; - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; + priv = devm_drm_bridge_alloc(dev, struct tda998x_priv, bridge, &tda998x_bridge_funcs); + if (IS_ERR(priv)) + return PTR_ERR(priv); dev_set_drvdata(dev, priv); @@ -1948,7 +1948,6 @@ static int tda998x_create(struct device *dev) tda998x_audio_codec_init(priv, &client->dev); } - priv->bridge.funcs = &tda998x_bridge_funcs; #ifdef CONFIG_OF priv->bridge.of_node = dev->of_node; #endif diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index f72675766e01..60224f476e1d 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -1317,7 +1317,6 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev, if (ret) return ret; - pdata->bridge.funcs = &ti_sn_bridge_funcs; pdata->bridge.of_node = np; pdata->bridge.type = pdata->next_bridge->type == DRM_MODE_CONNECTOR_DisplayPort ? DRM_MODE_CONNECTOR_DisplayPort : DRM_MODE_CONNECTOR_eDP; @@ -1907,9 +1906,9 @@ static int ti_sn65dsi86_probe(struct i2c_client *client) return -ENODEV; } - pdata = devm_kzalloc(dev, sizeof(struct ti_sn65dsi86), GFP_KERNEL); - if (!pdata) - return -ENOMEM; + pdata = devm_drm_bridge_alloc(dev, struct ti_sn65dsi86, bridge, &ti_sn_bridge_funcs); + if (IS_ERR(pdata)) + return PTR_ERR(pdata); dev_set_drvdata(dev, pdata); pdata->dev = dev; |