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Thu, 1 Aug 2024 02:26:25 +0000 (UTC) From: Cristian Ciocaltea Date: Thu, 01 Aug 2024 05:25:54 +0300 Subject: [PATCH v2 3/3] drm/rockchip: Add basic RK3588 HDMI output support MIME-Version: 1.0 Message-Id: <20240801-b4-rk3588-bridge-upstream-v2-3-9fa657a4e15b@collabora.com> References: <20240801-b4-rk3588-bridge-upstream-v2-0-9fa657a4e15b@collabora.com> In-Reply-To: <20240801-b4-rk3588-bridge-upstream-v2-0-9fa657a4e15b@collabora.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Yao , Sascha Hauer Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@collabora.com, Alexandre ARNOUD , Luis de Arquer , Algea Cao X-Mailer: b4 0.14.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240801_032632_117638_4A0D070D X-CRM114-Status: GOOD ( 26.16 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org The RK3588 SoC family integrates the newer Synopsys DesignWare HDMI 2.1 Quad-Pixel (QP) TX controller IP and a HDMI/eDP TX Combo PHY based on a Samsung IP block. Add just the basic support for now, i.e. RGB output up to 4K@60Hz, without audio, CEC or any of the HDMI 2.1 specific features. Co-developed-by: Algea Cao Signed-off-by: Algea Cao Signed-off-by: Cristian Ciocaltea --- drivers/gpu/drm/rockchip/Kconfig | 8 + drivers/gpu/drm/rockchip/Makefile | 1 + drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 430 +++++++++++++++++++++++++ drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 2 + drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 1 + 5 files changed, 442 insertions(+) diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig index 1bf3e2829cd0..b60794aa0a9f 100644 --- a/drivers/gpu/drm/rockchip/Kconfig +++ b/drivers/gpu/drm/rockchip/Kconfig @@ -8,6 +8,7 @@ config DRM_ROCKCHIP select VIDEOMODE_HELPERS select DRM_ANALOGIX_DP if ROCKCHIP_ANALOGIX_DP select DRM_DW_HDMI if ROCKCHIP_DW_HDMI + select DRM_DW_HDMI_QP if ROCKCHIP_DW_HDMI_QP select DRM_DW_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI select GENERIC_PHY if ROCKCHIP_DW_MIPI_DSI select GENERIC_PHY_MIPI_DPHY if ROCKCHIP_DW_MIPI_DSI @@ -63,6 +64,13 @@ config ROCKCHIP_DW_HDMI enable HDMI on RK3288 or RK3399 based SoC, you should select this option. +config ROCKCHIP_DW_HDMI_QP + bool "Rockchip specific extensions for Synopsys DW HDMI QP" + help + This selects support for Rockchip SoC specific extensions + for the Synopsys DesignWare HDMI QP driver. If you want to + enable HDMI on RK3588 based SoC, you should select this option. + config ROCKCHIP_DW_MIPI_DSI bool "Rockchip specific extensions for Synopsys DW MIPI DSI" select GENERIC_PHY_MIPI_DPHY diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile index 3ff7b21c0414..3eab662a5a1d 100644 --- a/drivers/gpu/drm/rockchip/Makefile +++ b/drivers/gpu/drm/rockchip/Makefile @@ -11,6 +11,7 @@ rockchipdrm-$(CONFIG_ROCKCHIP_VOP) += rockchip_drm_vop.o rockchip_vop_reg.o rockchipdrm-$(CONFIG_ROCKCHIP_ANALOGIX_DP) += analogix_dp-rockchip.o rockchipdrm-$(CONFIG_ROCKCHIP_CDN_DP) += cdn-dp-core.o cdn-dp-reg.o rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o +rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI_QP) += dw_hdmi_qp-rockchip.o rockchipdrm-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi-rockchip.o rockchipdrm-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o rockchipdrm-$(CONFIG_ROCKCHIP_LVDS) += rockchip_lvds.o diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c new file mode 100644 index 000000000000..e04417940573 --- /dev/null +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c @@ -0,0 +1,430 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2021-2022 Rockchip Electronics Co., Ltd. + * Copyright (c) 2024 Collabora Ltd. + * + * Author: Algea Cao + * Author: Cristian Ciocaltea + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "rockchip_drm_drv.h" + +#define RK3588_GRF_SOC_CON2 0x0308 +#define RK3588_HDMI0_HPD_INT_MSK BIT(13) +#define RK3588_HDMI0_HPD_INT_CLR BIT(12) +#define RK3588_GRF_SOC_CON7 0x031c +#define RK3588_SET_HPD_PATH_MASK GENMASK(13, 12) +#define RK3588_GRF_SOC_STATUS1 0x0384 +#define RK3588_HDMI0_LEVEL_INT BIT(16) +#define RK3588_GRF_VO1_CON3 0x000c +#define RK3588_SCLIN_MASK BIT(9) +#define RK3588_SDAIN_MASK BIT(10) +#define RK3588_MODE_MASK BIT(11) +#define RK3588_I2S_SEL_MASK BIT(13) +#define RK3588_GRF_VO1_CON9 0x0024 +#define RK3588_HDMI0_GRANT_SEL BIT(10) + +#define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16) + +struct rockchip_hdmi_qp { + struct device *dev; + struct regmap *regmap; + struct regmap *vo1_regmap; + struct rockchip_encoder encoder; + struct dw_hdmi_qp *hdmi; + struct phy *phy; + struct gpio_desc *enable_gpio; + struct delayed_work hpd_work; +}; + +static struct rockchip_hdmi_qp *to_rockchip_hdmi_qp(struct drm_encoder *encoder) +{ + struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder); + + return container_of(rkencoder, struct rockchip_hdmi_qp, encoder); +} + +static void +dw_hdmi_qp_rockchip_encoder_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adj_mode) +{ + struct rockchip_hdmi_qp *hdmi = to_rockchip_hdmi_qp(encoder); + + dw_hdmi_qp_set_refclk_rate(hdmi->hdmi, adj_mode->clock * 1000); +} + +static void dw_hdmi_qp_rockchip_encoder_enable(struct drm_encoder *encoder) +{ + struct rockchip_hdmi_qp *hdmi = to_rockchip_hdmi_qp(encoder); + struct drm_crtc *crtc = encoder->crtc; + int rate; + + /* Unconditionally switch to TMDS as FRL is not yet supported */ + gpiod_set_value(hdmi->enable_gpio, 1); + + if (crtc && crtc->state) { + dw_hdmi_qp_set_refclk_rate(hdmi->hdmi, + crtc->state->adjusted_mode.crtc_clock * 1000); + /* + * FIXME: Temporary workaround to pass pixel clock rate + * to the PHY driver until phy_configure_opts_hdmi + * becomes available in the PHY API. See also the related + * comment in rk_hdptx_phy_power_on() from + * drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c + */ + rate = crtc->state->mode.clock * 10; + phy_set_bus_width(hdmi->phy, rate); + drm_dbg(hdmi, "%s set bus_width=%u\n", __func__, rate); + } +} + +static int +dw_hdmi_qp_rockchip_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state); + + s->output_mode = ROCKCHIP_OUT_MODE_AAAA; + s->output_type = DRM_MODE_CONNECTOR_HDMIA; + + return 0; +} + +static const struct +drm_encoder_helper_funcs dw_hdmi_qp_rockchip_encoder_helper_funcs = { + .mode_set = dw_hdmi_qp_rockchip_encoder_mode_set, + .enable = dw_hdmi_qp_rockchip_encoder_enable, + .atomic_check = dw_hdmi_qp_rockchip_encoder_atomic_check, +}; + +static int dw_hdmi_qp_rk3588_phy_init(struct dw_hdmi_qp *dw_hdmi, void *data, + const struct drm_display_info *display) +{ + struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + + dw_hdmi_qp_set_high_tmds_clock_ratio(dw_hdmi, display); + + return phy_power_on(hdmi->phy); +} + +static void dw_hdmi_qp_rk3588_phy_disable(struct dw_hdmi_qp *dw_hdmi, + void *data) +{ + struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + + phy_power_off(hdmi->phy); +} + +static enum drm_connector_status +dw_hdmi_qp_rk3588_read_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) +{ + struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + u32 val; + + regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &val); + + return val & RK3588_HDMI0_LEVEL_INT ? + connector_status_connected : connector_status_disconnected; +} + +static void dw_hdmi_qp_rk3588_setup_hpd(struct dw_hdmi_qp *dw_hdmi, void *data) +{ + struct rockchip_hdmi_qp *hdmi = (struct rockchip_hdmi_qp *)data; + + regmap_write(hdmi->regmap, + RK3588_GRF_SOC_CON2, + HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, + RK3588_HDMI0_HPD_INT_CLR | + RK3588_HDMI0_HPD_INT_MSK)); +} + +static const struct dw_hdmi_qp_phy_ops rk3588_hdmi_phy_ops = { + .init = dw_hdmi_qp_rk3588_phy_init, + .disable = dw_hdmi_qp_rk3588_phy_disable, + .read_hpd = dw_hdmi_qp_rk3588_read_hpd, + .setup_hpd = dw_hdmi_qp_rk3588_setup_hpd, +}; + +static void dw_hdmi_qp_rk3588_hpd_work(struct work_struct *work) +{ + struct rockchip_hdmi_qp *hdmi = container_of(work, + struct rockchip_hdmi_qp, + hpd_work.work); + struct drm_device *drm = hdmi->encoder.encoder.dev; + bool changed; + + if (drm) { + changed = drm_helper_hpd_irq_event(drm); + if (changed) + drm_dbg(hdmi, "connector status changed\n"); + } +} + +static irqreturn_t dw_hdmi_qp_rk3588_hardirq(int irq, void *dev_id) +{ + struct rockchip_hdmi_qp *hdmi = dev_id; + u32 intr_stat, val; + + regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &intr_stat); + + if (intr_stat) { + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, + RK3588_HDMI0_HPD_INT_MSK); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); + return IRQ_WAKE_THREAD; + } + + return IRQ_NONE; +} + +static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id) +{ + struct rockchip_hdmi_qp *hdmi = dev_id; + u32 intr_stat, val; + int debounce_ms; + + regmap_read(hdmi->regmap, RK3588_GRF_SOC_STATUS1, &intr_stat); + if (!intr_stat) + return IRQ_NONE; + + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_CLR, + RK3588_HDMI0_HPD_INT_CLR); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); + + debounce_ms = intr_stat & RK3588_HDMI0_LEVEL_INT ? 150 : 20; + mod_delayed_work(system_wq, &hdmi->hpd_work, + msecs_to_jiffies(debounce_ms)); + + val |= HIWORD_UPDATE(0, RK3588_HDMI0_HPD_INT_MSK); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); + + return IRQ_HANDLED; +} + +static const struct of_device_id dw_hdmi_qp_rockchip_dt_ids[] = { + { .compatible = "rockchip,rk3588-dw-hdmi-qp", + .data = &rk3588_hdmi_phy_ops }, + {}, +}; +MODULE_DEVICE_TABLE(of, dw_hdmi_qp_rockchip_dt_ids); + +static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master, + void *data) +{ + static const char * const clk_names[] = { "hdp", "hclk_vo1" }; + struct platform_device *pdev = to_platform_device(dev); + struct dw_hdmi_qp_plat_data plat_data; + struct drm_device *drm = data; + struct drm_connector *connector; + struct drm_encoder *encoder; + struct rockchip_hdmi_qp *hdmi; + struct clk *clk; + int ret, irq, i; + u32 val; + + if (!pdev->dev.of_node) + return -ENODEV; + + hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); + if (!hdmi) + return -ENOMEM; + + plat_data.phy_ops = of_device_get_match_data(dev); + if (!plat_data.phy_ops) + return -ENODEV; + + plat_data.phy_data = hdmi; + hdmi->dev = &pdev->dev; + + encoder = &hdmi->encoder.encoder; + encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); + + rockchip_drm_encoder_set_crtc_endpoint_id(&hdmi->encoder, + dev->of_node, 0, 0); + /* + * If we failed to find the CRTC(s) which this encoder is + * supposed to be connected to, it's because the CRTC has + * not been registered yet. Defer probing, and hope that + * the required CRTC is added later. + */ + if (encoder->possible_crtcs == 0) + return -EPROBE_DEFER; + + hdmi->regmap = syscon_regmap_lookup_by_phandle(dev->of_node, + "rockchip,grf"); + if (IS_ERR(hdmi->regmap)) { + drm_err(hdmi, "Unable to get rockchip,grf\n"); + return PTR_ERR(hdmi->regmap); + } + + hdmi->vo1_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, + "rockchip,vo1_grf"); + if (IS_ERR(hdmi->vo1_regmap)) { + drm_err(hdmi, "Unable to get rockchip,vo1_grf\n"); + return PTR_ERR(hdmi->vo1_regmap); + } + + for (i = 0; i < ARRAY_SIZE(clk_names); i++) { + clk = devm_clk_get_optional_enabled(hdmi->dev, clk_names[i]); + + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + if (ret != -EPROBE_DEFER) + drm_err(hdmi, "Failed to get %s clock: %d\n", + clk_names[i], ret); + return ret; + } + } + + hdmi->enable_gpio = devm_gpiod_get_optional(hdmi->dev, "enable", + GPIOD_OUT_HIGH); + if (IS_ERR(hdmi->enable_gpio)) { + ret = PTR_ERR(hdmi->enable_gpio); + drm_err(hdmi, "Failed to request enable GPIO: %d\n", ret); + return ret; + } + + hdmi->phy = devm_phy_get(dev, "hdmi"); + if (IS_ERR(hdmi->phy)) { + ret = PTR_ERR(hdmi->phy); + if (ret != -EPROBE_DEFER) + drm_err(hdmi, "failed to get phy: %d\n", ret); + return ret; + } + + val = HIWORD_UPDATE(RK3588_SCLIN_MASK, RK3588_SCLIN_MASK) | + HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) | + HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) | + HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK); + regmap_write(hdmi->vo1_regmap, RK3588_GRF_VO1_CON3, val); + + val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK, + RK3588_SET_HPD_PATH_MASK); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val); + + val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, + RK3588_HDMI0_GRANT_SEL); + regmap_write(hdmi->vo1_regmap, RK3588_GRF_VO1_CON9, val); + + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val); + + INIT_DELAYED_WORK(&hdmi->hpd_work, dw_hdmi_qp_rk3588_hpd_work); + + irq = platform_get_irq_byname(pdev, "hpd"); + if (irq < 0) + return irq; + + ret = devm_request_threaded_irq(hdmi->dev, irq, + dw_hdmi_qp_rk3588_hardirq, + dw_hdmi_qp_rk3588_irq, + IRQF_SHARED, "dw-hdmi-qp-hpd", + hdmi); + if (ret) + return ret; + + drm_encoder_helper_add(encoder, &dw_hdmi_qp_rockchip_encoder_helper_funcs); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); + + platform_set_drvdata(pdev, hdmi); + + hdmi->hdmi = dw_hdmi_qp_bind(pdev, encoder, &plat_data); + if (IS_ERR(hdmi->hdmi)) { + ret = PTR_ERR(hdmi->hdmi); + drm_encoder_cleanup(encoder); + return ret; + } + + connector = drm_bridge_connector_init(drm, encoder); + if (IS_ERR(connector)) { + ret = PTR_ERR(connector); + drm_err(hdmi, "failed to init bridge connector: %d\n", ret); + return ret; + } + + return drm_connector_attach_encoder(connector, encoder); +} + +static void dw_hdmi_qp_rockchip_unbind(struct device *dev, + struct device *master, + void *data) +{ + struct rockchip_hdmi_qp *hdmi = dev_get_drvdata(dev); + + cancel_delayed_work_sync(&hdmi->hpd_work); + dw_hdmi_qp_unbind(hdmi->hdmi); + + drm_encoder_cleanup(&hdmi->encoder.encoder); +} + +static const struct component_ops dw_hdmi_qp_rockchip_ops = { + .bind = dw_hdmi_qp_rockchip_bind, + .unbind = dw_hdmi_qp_rockchip_unbind, +}; + +static int dw_hdmi_qp_rockchip_probe(struct platform_device *pdev) +{ + return component_add(&pdev->dev, &dw_hdmi_qp_rockchip_ops); +} + +static void dw_hdmi_qp_rockchip_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dw_hdmi_qp_rockchip_ops); +} + +static int __maybe_unused dw_hdmi_qp_rockchip_resume(struct device *dev) +{ + struct rockchip_hdmi_qp *hdmi = dev_get_drvdata(dev); + u32 val; + + val = HIWORD_UPDATE(RK3588_SCLIN_MASK, RK3588_SCLIN_MASK) | + HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) | + HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) | + HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK); + regmap_write(hdmi->vo1_regmap, RK3588_GRF_VO1_CON3, val); + + val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK, + RK3588_SET_HPD_PATH_MASK); + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val); + + val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL, + RK3588_HDMI0_GRANT_SEL); + regmap_write(hdmi->vo1_regmap, RK3588_GRF_VO1_CON9, val); + + dw_hdmi_qp_resume(dev, hdmi->hdmi); + + if (hdmi->encoder.encoder.dev) + drm_helper_hpd_irq_event(hdmi->encoder.encoder.dev); + + return 0; +} + +static const struct dev_pm_ops dw_hdmi_qp_rockchip_pm = { + SET_SYSTEM_SLEEP_PM_OPS(NULL, dw_hdmi_qp_rockchip_resume) +}; + +struct platform_driver dw_hdmi_qp_rockchip_pltfm_driver = { + .probe = dw_hdmi_qp_rockchip_probe, + .remove_new = dw_hdmi_qp_rockchip_remove, + .driver = { + .name = "dwhdmiqp-rockchip", + .pm = &dw_hdmi_qp_rockchip_pm, + .of_match_table = dw_hdmi_qp_rockchip_dt_ids, + }, +}; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index ab55d7132550..3ec8ff5bf21f 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -503,6 +503,8 @@ static int __init rockchip_drm_init(void) ADD_ROCKCHIP_SUB_DRIVER(cdn_dp_driver, CONFIG_ROCKCHIP_CDN_DP); ADD_ROCKCHIP_SUB_DRIVER(dw_hdmi_rockchip_pltfm_driver, CONFIG_ROCKCHIP_DW_HDMI); + ADD_ROCKCHIP_SUB_DRIVER(dw_hdmi_qp_rockchip_pltfm_driver, + CONFIG_ROCKCHIP_DW_HDMI_QP); ADD_ROCKCHIP_SUB_DRIVER(dw_mipi_dsi_rockchip_driver, CONFIG_ROCKCHIP_DW_MIPI_DSI); ADD_ROCKCHIP_SUB_DRIVER(inno_hdmi_driver, CONFIG_ROCKCHIP_INNO_HDMI); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h index 8d566fcd80a2..24b4ce5ceaf1 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h @@ -88,6 +88,7 @@ int rockchip_drm_encoder_set_crtc_endpoint_id(struct rockchip_encoder *rencoder, int rockchip_drm_endpoint_is_subdriver(struct device_node *ep); extern struct platform_driver cdn_dp_driver; extern struct platform_driver dw_hdmi_rockchip_pltfm_driver; +extern struct platform_driver dw_hdmi_qp_rockchip_pltfm_driver; extern struct platform_driver dw_mipi_dsi_rockchip_driver; extern struct platform_driver inno_hdmi_driver; extern struct platform_driver rockchip_dp_driver;