From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1217CCA1016 for ; Wed, 3 Sep 2025 14:48:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=k4cN3xt/qKgL84LiRRIA1ZLAwOaQPNgJrwdqAxhyfxE=; b=2Z7rp/ZcCfKmKUnDEG5+038AvV z8njruSRgG5MPA2w8gpngSS8z+Y1/IsDsTnlypLHh6J0pSq8Wf0JTlht6KB2Ss08yYel/y0mdpbg4 YrsgMlqaJPAIyM66Fe99DQq/IZAV28R9F339XxuVEgxVe8sXT6zwdT/Z7wTnPvDI7WYHgj/3gnOGP fUDPm4jq+LiFEHoJ7MskAcL2gcmM59k03ghCQDp3shBgB4FxRLU3dPLotdY+hIQTYLGtY0HSdSkHC J8IcpbzuAUqBYXlOlG68mq/FO6Is89SisTOdI5ZzfyqjxK6rcVvKxsPiHb3SoZ8kdQ/TNxYhff6XQ dvmL5Pow==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1utomF-00000006l9V-3bfe; Wed, 03 Sep 2025 14:47:59 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1utmAL-00000006JNy-3QYr; Wed, 03 Sep 2025 12:00:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=k4cN3xt/qKgL84LiRRIA1ZLAwOaQPNgJrwdqAxhyfxE=; b=BCXGpPFzMGk6UamurRpYd2wdRp ZwvRdFfi9HAg9CLq7DHKjggrk0xGrnlMF0Z2JrsyHFwZCnqjscaTzaoHTaZWGc/ixUjMSLQgDVCXe JbO5YKtLslL0yNw9px0JwvfiHbiOsYUZyb9si8BcvcN6oumgP0CuxG1Qa23pBhLuP6+EO1RPDcgSM +L8NLt4/ir87dI7R1xCpcnjOxGUp5qY0E55sAACpZncI4jFqymxPF86K73mnovkA7TqN5/vdh2RVg kewNywdzimTCV5a9Y3UfwfpKu3Fq9XAf9GYQ+lDWEObIDAm8l18sgH7G9p1qBaeE9uDEfnU3lQB52 9rf9ZW2w==; Received: from [213.70.40.217] (helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1utm9Z-0007F7-MT; Wed, 03 Sep 2025 13:59:53 +0200 From: Heiko Stuebner To: dmitry.baryshkov@oss.qualcomm.com, Andy Yan Cc: mripard@kernel.org, neil.armstrong@linaro.org, andrzej.hajda@intel.com, jernej.skrabec@gmail.com, jonas@kwiboo.se, Laurent.pinchart@ideasonboard.com, maarten.lankhorst@linux.intel.com, rfoss@kernel.org, simona@ffwll.ch, tzimmermann@suse.de, knaerzche@gmail.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Andy Yan Subject: Re: [PATCH v7 1/2] drm/rockchip: inno-hdmi: Convert to drm bridge Date: Wed, 03 Sep 2025 13:59:51 +0200 Message-ID: <5255838.1BCLMh4Saa@phil> In-Reply-To: <20250903110825.776807-2-andyshrk@163.com> References: <20250903110825.776807-1-andyshrk@163.com> <20250903110825.776807-2-andyshrk@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250903_050042_153085_47A571A6 X-CRM114-Status: GOOD ( 30.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Andy, Am Mittwoch, 3. September 2025, 13:07:38 Mitteleurop=C3=A4ische Sommerzeit = schrieb Andy Yan: > From: Andy Yan >=20 > Convert it to drm bridge driver, it will be convenient for us to > migrate the connector part to the display driver later. >=20 > Signed-off-by: Andy Yan more like a general remark, this essentially conflicts with the big hiword-cleanup [0] that was merged today, as the inno-hdmi driver "lost" its separate HIWORD_UPDATE macro in favor a nicer generic one. I'm not sure what the best way to proceed is, apart from waiting for 6.18-rc1. Heiko [0] https://lore.kernel.org/linux-rockchip/20250825-byeword-update-v3-0-947= b841cdb29@collabora.com/ > --- >=20 > Changes in v7: > - Rebase on latest drm-misc-next >=20 > Changes in v6: > - Rebase on latest drm-misc-next > - Link to V5: https://lore.kernel.org/linux-rockchip/20250512124615.28487= 31-1-andyshrk@163.com/ >=20 > Changes in v5: > - Split cleanup code to seperate patch > - Switch to devm_drm_bridge_alloc() API > - Link to V4: https://lore.kernel.org/linux-rockchip/20250422070455.43266= 6-1-andyshrk@163.com/ >=20 > Changes in v4: > - Do not store colorimetry within inno_hdmi struct > - Link to V3: https://lore.kernel.org/linux-rockchip/20250402123150.23823= 4-1-andyshrk@163.com/ >=20 > Changes in v3: > - First included in v3 > - Link to V2: https://lore.kernel.org/dri-devel/20250325132944.171111-1-a= ndyshrk@163.com/ >=20 > drivers/gpu/drm/bridge/Kconfig | 7 + > drivers/gpu/drm/bridge/Makefile | 1 + > .../inno_hdmi.c =3D> bridge/inno-hdmi.c} | 502 +++++------------- > drivers/gpu/drm/rockchip/Kconfig | 1 + > drivers/gpu/drm/rockchip/Makefile | 2 +- > drivers/gpu/drm/rockchip/inno_hdmi-rockchip.c | 188 +++++++ > include/drm/bridge/inno_hdmi.h | 33 ++ > 7 files changed, 366 insertions(+), 368 deletions(-) > rename drivers/gpu/drm/{rockchip/inno_hdmi.c =3D> bridge/inno-hdmi.c} (6= 9%) > create mode 100644 drivers/gpu/drm/rockchip/inno_hdmi-rockchip.c > create mode 100644 include/drm/bridge/inno_hdmi.h >=20 > diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kcon= fig > index 6945029b35929..f3d0503ee4c35 100644 > --- a/drivers/gpu/drm/bridge/Kconfig > +++ b/drivers/gpu/drm/bridge/Kconfig > @@ -100,6 +100,13 @@ config DRM_I2C_NXP_TDA998X > help > Support for NXP Semiconductors TDA998X HDMI encoders. > =20 > +config DRM_INNO_HDMI > + tristate > + select DRM_BRIDGE_CONNECTOR > + select DRM_DISPLAY_HDMI_HELPER > + select DRM_DISPLAY_HELPER > + select DRM_KMS_HELPER > + > config DRM_ITE_IT6263 > tristate "ITE IT6263 LVDS/HDMI bridge" > depends on OF > diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Mak= efile > index c7dc03182e592..909c21cc3acd3 100644 > --- a/drivers/gpu/drm/bridge/Makefile > +++ b/drivers/gpu/drm/bridge/Makefile > @@ -10,6 +10,7 @@ obj-$(CONFIG_DRM_FSL_LDB) +=3D fsl-ldb.o > tda998x-y :=3D tda998x_drv.o > obj-$(CONFIG_DRM_I2C_NXP_TDA998X) +=3D tda998x.o > =20 > +obj-$(CONFIG_DRM_INNO_HDMI) +=3D inno-hdmi.o > obj-$(CONFIG_DRM_ITE_IT6263) +=3D ite-it6263.o > obj-$(CONFIG_DRM_ITE_IT6505) +=3D ite-it6505.o > obj-$(CONFIG_DRM_LONTIUM_LT8912B) +=3D lontium-lt8912b.o > diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/bridg= e/inno-hdmi.c > similarity index 69% > rename from drivers/gpu/drm/rockchip/inno_hdmi.c > rename to drivers/gpu/drm/bridge/inno-hdmi.c > index 1ab3ad4bde9ea..ab4572eb83950 100644 > --- a/drivers/gpu/drm/rockchip/inno_hdmi.c > +++ b/drivers/gpu/drm/bridge/inno-hdmi.c > @@ -3,12 +3,14 @@ > * Copyright (C) Rockchip Electronics Co., Ltd. > * Zheng Yang > * Yakir Yang > + * Andy Yan > */ > =20 > #include > #include > #include > #include > +#include > #include > #include > #include > @@ -17,18 +19,18 @@ > #include > #include > =20 > +#include > #include > #include > #include > #include > +#include > #include > #include > =20 > #include > #include > =20 > -#include "rockchip_drm_drv.h" > - > #define INNO_HDMI_MIN_TMDS_CLOCK 25000000U > =20 > #define DDC_SEGMENT_ADDR 0x30 > @@ -382,29 +384,6 @@ enum { > #define HDMI_CEC_BUSFREETIME_H 0xdd > #define HDMI_CEC_LOGICADDR 0xde > =20 > -#define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16) > - > -#define RK3036_GRF_SOC_CON2 0x148 > -#define RK3036_HDMI_PHSYNC BIT(4) > -#define RK3036_HDMI_PVSYNC BIT(5) > - > -enum inno_hdmi_dev_type { > - RK3036_HDMI, > - RK3128_HDMI, > -}; > - > -struct inno_hdmi_phy_config { > - unsigned long pixelclock; > - u8 pre_emphasis; > - u8 voltage_level_control; > -}; > - > -struct inno_hdmi_variant { > - enum inno_hdmi_dev_type dev_type; > - struct inno_hdmi_phy_config *phy_configs; > - struct inno_hdmi_phy_config *default_phy_config; > -}; > - > struct inno_hdmi_i2c { > struct i2c_adapter adap; > =20 > @@ -417,41 +396,17 @@ struct inno_hdmi_i2c { > =20 > struct inno_hdmi { > struct device *dev; > - > + struct drm_bridge bridge; > struct clk *pclk; > struct clk *refclk; > void __iomem *regs; > struct regmap *grf; > =20 > - struct drm_connector connector; > - struct rockchip_encoder encoder; > - > struct inno_hdmi_i2c *i2c; > struct i2c_adapter *ddc; > - > - const struct inno_hdmi_variant *variant; > -}; > - > -struct inno_hdmi_connector_state { > - struct drm_connector_state base; > - unsigned int colorimetry; > + const struct inno_hdmi_plat_data *plat_data; > }; > =20 > -static struct inno_hdmi *encoder_to_inno_hdmi(struct drm_encoder *encode= r) > -{ > - struct rockchip_encoder *rkencoder =3D to_rockchip_encoder(encoder); > - > - return container_of(rkencoder, struct inno_hdmi, encoder); > -} > - > -static struct inno_hdmi *connector_to_inno_hdmi(struct drm_connector *co= nnector) > -{ > - return container_of(connector, struct inno_hdmi, connector); > -} > - > -#define to_inno_hdmi_conn_state(conn_state) \ > - container_of_const(conn_state, struct inno_hdmi_connector_state, base) > - > enum { > CSC_RGB_0_255_TO_ITU601_16_235_8BIT, > CSC_RGB_0_255_TO_ITU709_16_235_8BIT, > @@ -494,23 +449,15 @@ static const char coeff_csc[][24] =3D { > }, > }; > =20 > -static struct inno_hdmi_phy_config rk3036_hdmi_phy_configs[] =3D { > - { 74250000, 0x3f, 0xbb }, > - { 165000000, 0x6f, 0xbb }, > - { ~0UL, 0x00, 0x00 } > -}; > - > -static struct inno_hdmi_phy_config rk3128_hdmi_phy_configs[] =3D { > - { 74250000, 0x3f, 0xaa }, > - { 165000000, 0x5f, 0xaa }, > - { ~0UL, 0x00, 0x00 } > -}; > +static struct inno_hdmi *bridge_to_inno_hdmi(struct drm_bridge *bridge) > +{ > + return container_of(bridge, struct inno_hdmi, bridge); > +} > =20 > static int inno_hdmi_find_phy_config(struct inno_hdmi *hdmi, > unsigned long pixelclk) > { > - const struct inno_hdmi_phy_config *phy_configs =3D > - hdmi->variant->phy_configs; > + const struct inno_hdmi_phy_config *phy_configs =3D hdmi->plat_data->phy= _configs; > int i; > =20 > for (i =3D 0; phy_configs[i].pixelclock !=3D ~0UL; i++) { > @@ -582,12 +529,12 @@ static void inno_hdmi_power_up(struct inno_hdmi *hd= mi, > int ret =3D inno_hdmi_find_phy_config(hdmi, mpixelclock); > =20 > if (ret < 0) { > - phy_config =3D hdmi->variant->default_phy_config; > + phy_config =3D hdmi->plat_data->default_phy_config; > DRM_DEV_ERROR(hdmi->dev, > "Using default phy configuration for TMDS rate %lu", > mpixelclock); > } else { > - phy_config =3D &hdmi->variant->phy_configs[ret]; > + phy_config =3D &hdmi->plat_data->phy_configs[ret]; > } > =20 > inno_hdmi_sys_power(hdmi, false); > @@ -637,14 +584,13 @@ static void inno_hdmi_init_hw(struct inno_hdmi *hdm= i) > hdmi_modb(hdmi, HDMI_STATUS, m_MASK_INT_HOTPLUG, v_MASK_INT_HOTPLUG(1)); > } > =20 > -static int inno_hdmi_disable_frame(struct drm_connector *connector, > - enum hdmi_infoframe_type type) > +static int inno_hdmi_bridge_clear_infoframe(struct drm_bridge *bridge, > + enum hdmi_infoframe_type type) > { > - struct inno_hdmi *hdmi =3D connector_to_inno_hdmi(connector); > + struct inno_hdmi *hdmi =3D bridge_to_inno_hdmi(bridge); > =20 > if (type !=3D HDMI_INFOFRAME_TYPE_AVI) { > - drm_err(connector->dev, > - "Unsupported infoframe type: %u\n", type); > + drm_err(bridge->dev, "Unsupported infoframe type: %u\n", type); > return 0; > } > =20 > @@ -653,20 +599,19 @@ static int inno_hdmi_disable_frame(struct drm_conne= ctor *connector, > return 0; > } > =20 > -static int inno_hdmi_upload_frame(struct drm_connector *connector, > - enum hdmi_infoframe_type type, > - const u8 *buffer, size_t len) > +static int inno_hdmi_bridge_write_infoframe(struct drm_bridge *bridge, > + enum hdmi_infoframe_type type, > + const u8 *buffer, size_t len) > { > - struct inno_hdmi *hdmi =3D connector_to_inno_hdmi(connector); > + struct inno_hdmi *hdmi =3D bridge_to_inno_hdmi(bridge); > ssize_t i; > =20 > if (type !=3D HDMI_INFOFRAME_TYPE_AVI) { > - drm_err(connector->dev, > - "Unsupported infoframe type: %u\n", type); > + drm_err(bridge->dev, "Unsupported infoframe type: %u\n", type); > return 0; > } > =20 > - inno_hdmi_disable_frame(connector, type); > + inno_hdmi_bridge_clear_infoframe(bridge, type); > =20 > for (i =3D 0; i < len; i++) > hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i, buffer[i]); > @@ -674,23 +619,26 @@ static int inno_hdmi_upload_frame(struct drm_connec= tor *connector, > return 0; > } > =20 > -static const struct drm_connector_hdmi_funcs inno_hdmi_hdmi_connector_fu= ncs =3D { > - .clear_infoframe =3D inno_hdmi_disable_frame, > - .write_infoframe =3D inno_hdmi_upload_frame, > -}; > - > -static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi) > +static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi, > + struct drm_connector *connector, > + struct drm_display_mode *mode) > { > - struct drm_connector *connector =3D &hdmi->connector; > struct drm_connector_state *conn_state =3D connector->state; > - struct inno_hdmi_connector_state *inno_conn_state =3D > - to_inno_hdmi_conn_state(conn_state); > int c0_c2_change =3D 0; > int csc_enable =3D 0; > int csc_mode =3D 0; > int auto_csc =3D 0; > int value; > int i; > + int colorimetry; > + u8 vic =3D drm_match_cea_mode(mode); > + > + if (vic =3D=3D 6 || vic =3D=3D 7 || vic =3D=3D 21 || vic =3D=3D 22 || > + vic =3D=3D 2 || vic =3D=3D 3 || vic =3D=3D 17 || vic =3D=3D 18) > + colorimetry =3D HDMI_COLORIMETRY_ITU_601; > + else > + colorimetry =3D HDMI_COLORIMETRY_ITU_709; > + > =20 > /* Input video mode is SDR RGB24bit, data enable signal from external */ > hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL1, v_DE_EXTERNAL | > @@ -720,7 +668,7 @@ static int inno_hdmi_config_video_csc(struct inno_hdm= i *hdmi) > return 0; > } > } else { > - if (inno_conn_state->colorimetry =3D=3D HDMI_COLORIMETRY_ITU_601) { > + if (colorimetry =3D=3D HDMI_COLORIMETRY_ITU_601) { > if (conn_state->hdmi.output_format =3D=3D HDMI_COLORSPACE_YUV444) { > csc_mode =3D CSC_RGB_0_255_TO_ITU601_16_235_8BIT; > auto_csc =3D AUTO_CSC_DISABLE; > @@ -738,8 +686,7 @@ static int inno_hdmi_config_video_csc(struct inno_hdm= i *hdmi) > } > =20 > for (i =3D 0; i < 24; i++) > - hdmi_writeb(hdmi, HDMI_VIDEO_CSC_COEF + i, > - coeff_csc[csc_mode][i]); > + hdmi_writeb(hdmi, HDMI_VIDEO_CSC_COEF + i, coeff_csc[csc_mode][i]); > =20 > value =3D v_SOF_DISABLE | csc_enable | v_COLOR_DEPTH_NOT_INDICATED(1); > hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value); > @@ -753,15 +700,11 @@ static int inno_hdmi_config_video_csc(struct inno_h= dmi *hdmi) > static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi, > struct drm_display_mode *mode) > { > - int value, psync; > - > - if (hdmi->variant->dev_type =3D=3D RK3036_HDMI) { > - psync =3D mode->flags & DRM_MODE_FLAG_PHSYNC ? RK3036_HDMI_PHSYNC : 0; > - value =3D HIWORD_UPDATE(psync, RK3036_HDMI_PHSYNC); > - psync =3D mode->flags & DRM_MODE_FLAG_PVSYNC ? RK3036_HDMI_PVSYNC : 0; > - value |=3D HIWORD_UPDATE(psync, RK3036_HDMI_PVSYNC); > - regmap_write(hdmi->grf, RK3036_GRF_SOC_CON2, value); > - } > + const struct inno_hdmi_plat_ops *plat_ops =3D hdmi->plat_data->ops; > + u32 value; > + > + if (plat_ops && plat_ops->enable) > + plat_ops->enable(hdmi->dev, mode); > =20 > /* Set detail external video timing polarity and interlace mode */ > value =3D v_EXTERANL_VIDEO(1); > @@ -810,14 +753,16 @@ static int inno_hdmi_config_video_timing(struct inn= o_hdmi *hdmi, > return 0; > } > =20 > -static int inno_hdmi_setup(struct inno_hdmi *hdmi, > - struct drm_atomic_state *state) > +static int inno_hdmi_setup(struct inno_hdmi *hdmi, struct drm_atomic_sta= te *state) > { > - struct drm_connector *connector =3D &hdmi->connector; > - struct drm_display_info *display =3D &connector->display_info; > + struct drm_bridge *bridge =3D &hdmi->bridge; > + struct drm_connector *connector; > + struct drm_display_info *info; > struct drm_connector_state *new_conn_state; > struct drm_crtc_state *new_crtc_state; > =20 > + connector =3D drm_atomic_get_new_connector_for_encoder(state, bridge->e= ncoder); > + > new_conn_state =3D drm_atomic_get_new_connector_state(state, connector); > if (WARN_ON(!new_conn_state)) > return -EINVAL; > @@ -826,17 +771,18 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi, > if (WARN_ON(!new_crtc_state)) > return -EINVAL; > =20 > + info =3D &connector->display_info; > + > /* Mute video and audio output */ > hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK, > v_AUDIO_MUTE(1) | v_VIDEO_MUTE(1)); > =20 > /* Set HDMI Mode */ > - hdmi_writeb(hdmi, HDMI_HDCP_CTRL, > - v_HDMI_DVI(display->is_hdmi)); > + hdmi_writeb(hdmi, HDMI_HDCP_CTRL, v_HDMI_DVI(info->is_hdmi)); > =20 > inno_hdmi_config_video_timing(hdmi, &new_crtc_state->adjusted_mode); > =20 > - inno_hdmi_config_video_csc(hdmi); > + inno_hdmi_config_video_csc(hdmi, connector, &new_crtc_state->adjusted_m= ode); > =20 > drm_atomic_helper_connector_hdmi_update_infoframes(connector, state); > =20 > @@ -857,9 +803,11 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi, > return 0; > } > =20 > -static enum drm_mode_status inno_hdmi_display_mode_valid(struct inno_hdm= i *hdmi, > - const struct drm_display_mode *mode) > +static enum drm_mode_status inno_hdmi_bridge_mode_valid(struct drm_bridg= e *bridge, > + const struct drm_display_info *info, > + const struct drm_display_mode *mode) > { > + struct inno_hdmi *hdmi =3D bridge_to_inno_hdmi(bridge); > unsigned long mpixelclk, max_tolerance; > long rounded_refclk; > =20 > @@ -889,189 +837,57 @@ static enum drm_mode_status inno_hdmi_display_mode= _valid(struct inno_hdmi *hdmi, > return MODE_OK; > } > =20 > -static void inno_hdmi_encoder_enable(struct drm_encoder *encoder, > - struct drm_atomic_state *state) > -{ > - struct inno_hdmi *hdmi =3D encoder_to_inno_hdmi(encoder); > - > - inno_hdmi_setup(hdmi, state); > -} > - > -static void inno_hdmi_encoder_disable(struct drm_encoder *encoder, > - struct drm_atomic_state *state) > -{ > - struct inno_hdmi *hdmi =3D encoder_to_inno_hdmi(encoder); > - > - inno_hdmi_standby(hdmi); > -} > - > -static int > -inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder, > - struct drm_crtc_state *crtc_state, > - struct drm_connector_state *conn_state) > -{ > - struct rockchip_crtc_state *s =3D to_rockchip_crtc_state(crtc_state); > - struct drm_display_mode *mode =3D &crtc_state->adjusted_mode; > - u8 vic =3D drm_match_cea_mode(mode); > - struct inno_hdmi_connector_state *inno_conn_state =3D > - to_inno_hdmi_conn_state(conn_state); > - > - s->output_mode =3D ROCKCHIP_OUT_MODE_P888; > - s->output_type =3D DRM_MODE_CONNECTOR_HDMIA; > - > - if (vic =3D=3D 6 || vic =3D=3D 7 || > - vic =3D=3D 21 || vic =3D=3D 22 || > - vic =3D=3D 2 || vic =3D=3D 3 || > - vic =3D=3D 17 || vic =3D=3D 18) > - inno_conn_state->colorimetry =3D HDMI_COLORIMETRY_ITU_601; > - else > - inno_conn_state->colorimetry =3D HDMI_COLORIMETRY_ITU_709; > - > - return 0; > -} > - > -static const struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_fu= ncs =3D { > - .atomic_check =3D inno_hdmi_encoder_atomic_check, > - .atomic_enable =3D inno_hdmi_encoder_enable, > - .atomic_disable =3D inno_hdmi_encoder_disable, > -}; > - > static enum drm_connector_status > -inno_hdmi_connector_detect(struct drm_connector *connector, bool force) > +inno_hdmi_bridge_detect(struct drm_bridge *bridge, struct drm_connector = *connector) > { > - struct inno_hdmi *hdmi =3D connector_to_inno_hdmi(connector); > + struct inno_hdmi *hdmi =3D bridge_to_inno_hdmi(bridge); > =20 > return (hdmi_readb(hdmi, HDMI_STATUS) & m_HOTPLUG) ? > connector_status_connected : connector_status_disconnected; > } > =20 > -static int inno_hdmi_connector_get_modes(struct drm_connector *connector) > +static const struct drm_edid * > +inno_hdmi_bridge_edid_read(struct drm_bridge *bridge, struct drm_connect= or *connector) > { > - struct inno_hdmi *hdmi =3D connector_to_inno_hdmi(connector); > + struct inno_hdmi *hdmi =3D bridge_to_inno_hdmi(bridge); > const struct drm_edid *drm_edid; > - int ret =3D 0; > - > - if (!hdmi->ddc) > - return 0; > - > - drm_edid =3D drm_edid_read_ddc(connector, hdmi->ddc); > - drm_edid_connector_update(connector, drm_edid); > - ret =3D drm_edid_connector_add_modes(connector); > - drm_edid_free(drm_edid); > - > - return ret; > -} > - > -static enum drm_mode_status > -inno_hdmi_connector_mode_valid(struct drm_connector *connector, > - const struct drm_display_mode *mode) > -{ > - struct inno_hdmi *hdmi =3D connector_to_inno_hdmi(connector); > - > - return inno_hdmi_display_mode_valid(hdmi, mode); > -} > =20 > -static void > -inno_hdmi_connector_destroy_state(struct drm_connector *connector, > - struct drm_connector_state *state) > -{ > - struct inno_hdmi_connector_state *inno_conn_state =3D > - to_inno_hdmi_conn_state(state); > + drm_edid =3D drm_edid_read_ddc(connector, bridge->ddc); > + if (!drm_edid) > + dev_dbg(hdmi->dev, "failed to get edid\n"); > =20 > - __drm_atomic_helper_connector_destroy_state(&inno_conn_state->base); > - kfree(inno_conn_state); > + return drm_edid; > } > =20 > -static void inno_hdmi_connector_reset(struct drm_connector *connector) > +static void inno_hdmi_bridge_atomic_enable(struct drm_bridge *bridge, > + struct drm_atomic_state *state) > { > - struct inno_hdmi_connector_state *inno_conn_state; > - > - if (connector->state) { > - inno_hdmi_connector_destroy_state(connector, connector->state); > - connector->state =3D NULL; > - } > - > - inno_conn_state =3D kzalloc(sizeof(*inno_conn_state), GFP_KERNEL); > - if (!inno_conn_state) > - return; > - > - __drm_atomic_helper_connector_reset(connector, &inno_conn_state->base); > - __drm_atomic_helper_connector_hdmi_reset(connector, connector->state); > + struct inno_hdmi *hdmi =3D bridge_to_inno_hdmi(bridge); > =20 > - inno_conn_state->colorimetry =3D HDMI_COLORIMETRY_ITU_709; > + inno_hdmi_setup(hdmi, state); > } > =20 > -static struct drm_connector_state * > -inno_hdmi_connector_duplicate_state(struct drm_connector *connector) > +static void inno_hdmi_bridge_atomic_disable(struct drm_bridge *bridge, > + struct drm_atomic_state *state) > { > - struct inno_hdmi_connector_state *inno_conn_state; > - > - if (WARN_ON(!connector->state)) > - return NULL; > - > - inno_conn_state =3D kmemdup(to_inno_hdmi_conn_state(connector->state), > - sizeof(*inno_conn_state), GFP_KERNEL); > - > - if (!inno_conn_state) > - return NULL; > + struct inno_hdmi *hdmi =3D bridge_to_inno_hdmi(bridge); > =20 > - __drm_atomic_helper_connector_duplicate_state(connector, > - &inno_conn_state->base); > - > - return &inno_conn_state->base; > + inno_hdmi_standby(hdmi); > } > =20 > -static const struct drm_connector_funcs inno_hdmi_connector_funcs =3D { > - .fill_modes =3D drm_helper_probe_single_connector_modes, > - .detect =3D inno_hdmi_connector_detect, > - .reset =3D inno_hdmi_connector_reset, > - .atomic_duplicate_state =3D inno_hdmi_connector_duplicate_state, > - .atomic_destroy_state =3D inno_hdmi_connector_destroy_state, > -}; > - > -static struct drm_connector_helper_funcs inno_hdmi_connector_helper_func= s =3D { > - .atomic_check =3D drm_atomic_helper_connector_hdmi_check, > - .get_modes =3D inno_hdmi_connector_get_modes, > - .mode_valid =3D inno_hdmi_connector_mode_valid, > +static const struct drm_bridge_funcs inno_hdmi_bridge_funcs =3D { > + .atomic_duplicate_state =3D drm_atomic_helper_bridge_duplicate_state, > + .atomic_destroy_state =3D drm_atomic_helper_bridge_destroy_state, > + .atomic_reset =3D drm_atomic_helper_bridge_reset, > + .atomic_enable =3D inno_hdmi_bridge_atomic_enable, > + .atomic_disable =3D inno_hdmi_bridge_atomic_disable, > + .detect =3D inno_hdmi_bridge_detect, > + .edid_read =3D inno_hdmi_bridge_edid_read, > + .hdmi_clear_infoframe =3D inno_hdmi_bridge_clear_infoframe, > + .hdmi_write_infoframe =3D inno_hdmi_bridge_write_infoframe, > + .mode_valid =3D inno_hdmi_bridge_mode_valid, > }; > =20 > -static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *= hdmi) > -{ > - struct drm_encoder *encoder =3D &hdmi->encoder.encoder; > - struct device *dev =3D hdmi->dev; > - > - encoder->possible_crtcs =3D drm_of_find_possible_crtcs(drm, dev->of_nod= e); > - > - /* > - * 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 =3D=3D 0) > - return -EPROBE_DEFER; > - > - drm_encoder_helper_add(encoder, &inno_hdmi_encoder_helper_funcs); > - drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); > - > - hdmi->connector.polled =3D DRM_CONNECTOR_POLL_HPD; > - > - drm_connector_helper_add(&hdmi->connector, > - &inno_hdmi_connector_helper_funcs); > - drmm_connector_hdmi_init(drm, &hdmi->connector, > - "Rockchip", "Inno HDMI", > - &inno_hdmi_connector_funcs, > - &inno_hdmi_hdmi_connector_funcs, > - DRM_MODE_CONNECTOR_HDMIA, > - hdmi->ddc, > - BIT(HDMI_COLORSPACE_RGB), > - 8); > - > - drm_connector_attach_encoder(&hdmi->connector, encoder); > - > - return 0; > -} > - > static irqreturn_t inno_hdmi_i2c_irq(struct inno_hdmi *hdmi) > { > struct inno_hdmi_i2c *i2c =3D hdmi->i2c; > @@ -1111,7 +927,7 @@ static irqreturn_t inno_hdmi_irq(int irq, void *dev_= id) > { > struct inno_hdmi *hdmi =3D dev_id; > =20 > - drm_helper_hpd_irq_event(hdmi->connector.dev); > + drm_helper_hpd_irq_event(hdmi->bridge.dev); > =20 > return IRQ_HANDLED; > } > @@ -1243,128 +1059,80 @@ static struct i2c_adapter *inno_hdmi_i2c_adapter= (struct inno_hdmi *hdmi) > return adap; > } > =20 > -static int inno_hdmi_bind(struct device *dev, struct device *master, > - void *data) > +struct inno_hdmi *inno_hdmi_bind(struct device *dev, > + struct drm_encoder *encoder, > + const struct inno_hdmi_plat_data *plat_data) > { > struct platform_device *pdev =3D to_platform_device(dev); > - struct drm_device *drm =3D data; > struct inno_hdmi *hdmi; > - const struct inno_hdmi_variant *variant; > int irq; > int ret; > =20 > - hdmi =3D devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); > - if (!hdmi) > - return -ENOMEM; > - > - hdmi->dev =3D dev; > + if (!plat_data->phy_configs || !plat_data->default_phy_config) { > + dev_err(dev, "Missing platform PHY ops\n"); > + return ERR_PTR(-ENODEV); > + } > =20 > - variant =3D of_device_get_match_data(hdmi->dev); > - if (!variant) > - return -EINVAL; > + hdmi =3D devm_drm_bridge_alloc(dev, struct inno_hdmi, bridge, &inno_hdm= i_bridge_funcs); > + if (IS_ERR(hdmi)) > + return ERR_CAST(hdmi); > =20 > - hdmi->variant =3D variant; > + hdmi->dev =3D dev; > + hdmi->plat_data =3D plat_data; > =20 > hdmi->regs =3D devm_platform_ioremap_resource(pdev, 0); > if (IS_ERR(hdmi->regs)) > - return PTR_ERR(hdmi->regs); > + return ERR_CAST(hdmi->regs); > =20 > hdmi->pclk =3D devm_clk_get_enabled(hdmi->dev, "pclk"); > - if (IS_ERR(hdmi->pclk)) > - return dev_err_probe(dev, PTR_ERR(hdmi->pclk), "Unable to get HDMI pcl= k\n"); > + if (IS_ERR(hdmi->pclk)) { > + dev_err_probe(dev, PTR_ERR(hdmi->pclk), "Unable to get HDMI pclk\n"); > + return ERR_CAST(hdmi->pclk); > + } > =20 > hdmi->refclk =3D devm_clk_get_optional_enabled(hdmi->dev, "ref"); > - if (IS_ERR(hdmi->refclk)) > - return dev_err_probe(dev, PTR_ERR(hdmi->refclk), "Unable to get HDMI r= efclk\n"); > - > - if (hdmi->variant->dev_type =3D=3D RK3036_HDMI) { > - hdmi->grf =3D syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,= grf"); > - if (IS_ERR(hdmi->grf)) > - return dev_err_probe(dev, > - PTR_ERR(hdmi->grf), "Unable to get rockchip,grf\n"); > + if (IS_ERR(hdmi->refclk)) { > + dev_err_probe(dev, PTR_ERR(hdmi->refclk), "Unable to get HDMI refclk\n= "); > + return ERR_CAST(hdmi->refclk); > } > =20 > - irq =3D platform_get_irq(pdev, 0); > - if (irq < 0) > - return irq; > - > inno_hdmi_init_hw(hdmi); > =20 > - hdmi->ddc =3D inno_hdmi_i2c_adapter(hdmi); > - if (IS_ERR(hdmi->ddc)) > - return PTR_ERR(hdmi->ddc); > - > - ret =3D inno_hdmi_register(drm, hdmi); > - if (ret) > - return ret; > - > - dev_set_drvdata(dev, hdmi); > + irq =3D platform_get_irq(pdev, 0); > + if (irq < 0) > + return ERR_PTR(irq); > =20 > ret =3D devm_request_threaded_irq(dev, irq, inno_hdmi_hardirq, > inno_hdmi_irq, IRQF_SHARED, > dev_name(dev), hdmi); > - if (ret < 0) > - goto err_cleanup_hdmi; > - > - return 0; > -err_cleanup_hdmi: > - hdmi->connector.funcs->destroy(&hdmi->connector); > - hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder); > - return ret; > -} > - > -static void inno_hdmi_unbind(struct device *dev, struct device *master, > - void *data) > -{ > - struct inno_hdmi *hdmi =3D dev_get_drvdata(dev); > - > - hdmi->connector.funcs->destroy(&hdmi->connector); > - hdmi->encoder.encoder.funcs->destroy(&hdmi->encoder.encoder); > -} > + if (ret) > + return ERR_PTR(ret); > =20 > -static const struct component_ops inno_hdmi_ops =3D { > - .bind =3D inno_hdmi_bind, > - .unbind =3D inno_hdmi_unbind, > -}; > + hdmi->bridge.driver_private =3D hdmi; > + hdmi->bridge.ops =3D DRM_BRIDGE_OP_DETECT | > + DRM_BRIDGE_OP_EDID | > + DRM_BRIDGE_OP_HDMI | > + DRM_BRIDGE_OP_HPD; > + hdmi->bridge.of_node =3D pdev->dev.of_node; > + hdmi->bridge.type =3D DRM_MODE_CONNECTOR_HDMIA; > + hdmi->bridge.vendor =3D "Inno"; > + hdmi->bridge.product =3D "Inno HDMI"; > + > + hdmi->bridge.ddc =3D inno_hdmi_i2c_adapter(hdmi); > + if (IS_ERR(hdmi->bridge.ddc)) > + return ERR_CAST(hdmi->bridge.ddc); > + > + ret =3D devm_drm_bridge_add(dev, &hdmi->bridge); > + if (ret) > + return ERR_PTR(ret); > =20 > -static int inno_hdmi_probe(struct platform_device *pdev) > -{ > - return component_add(&pdev->dev, &inno_hdmi_ops); > -} > + ret =3D drm_bridge_attach(encoder, &hdmi->bridge, NULL, DRM_BRIDGE_ATTA= CH_NO_CONNECTOR); > + if (ret) > + return ERR_PTR(ret); > =20 > -static void inno_hdmi_remove(struct platform_device *pdev) > -{ > - component_del(&pdev->dev, &inno_hdmi_ops); > + return hdmi; > } > - > -static const struct inno_hdmi_variant rk3036_inno_hdmi_variant =3D { > - .dev_type =3D RK3036_HDMI, > - .phy_configs =3D rk3036_hdmi_phy_configs, > - .default_phy_config =3D &rk3036_hdmi_phy_configs[1], > -}; > - > -static const struct inno_hdmi_variant rk3128_inno_hdmi_variant =3D { > - .dev_type =3D RK3128_HDMI, > - .phy_configs =3D rk3128_hdmi_phy_configs, > - .default_phy_config =3D &rk3128_hdmi_phy_configs[1], > -}; > - > -static const struct of_device_id inno_hdmi_dt_ids[] =3D { > - { .compatible =3D "rockchip,rk3036-inno-hdmi", > - .data =3D &rk3036_inno_hdmi_variant, > - }, > - { .compatible =3D "rockchip,rk3128-inno-hdmi", > - .data =3D &rk3128_inno_hdmi_variant, > - }, > - {}, > -}; > -MODULE_DEVICE_TABLE(of, inno_hdmi_dt_ids); > - > -struct platform_driver inno_hdmi_driver =3D { > - .probe =3D inno_hdmi_probe, > - .remove =3D inno_hdmi_remove, > - .driver =3D { > - .name =3D "innohdmi-rockchip", > - .of_match_table =3D inno_hdmi_dt_ids, > - }, > -}; > +EXPORT_SYMBOL_GPL(inno_hdmi_bind); > +MODULE_AUTHOR("Andy Yan "); > +MODULE_DESCRIPTION("INNOSILICON HDMI transmitter library"); > +MODULE_LICENSE("GPL"); > diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/= Kconfig > index 14ec0281d45a4..e2f355f87ae51 100644 > --- a/drivers/gpu/drm/rockchip/Kconfig > +++ b/drivers/gpu/drm/rockchip/Kconfig > @@ -15,6 +15,7 @@ config DRM_ROCKCHIP > select DRM_DW_HDMI_QP if ROCKCHIP_DW_HDMI_QP > select DRM_DW_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI > select DRM_DW_MIPI_DSI2 if ROCKCHIP_DW_MIPI_DSI2 > + select DRM_INNO_HDMI if ROCKCHIP_INNO_HDMI > select GENERIC_PHY if ROCKCHIP_DW_MIPI_DSI > select GENERIC_PHY_MIPI_DPHY if ROCKCHIP_DW_MIPI_DSI > select SND_SOC_HDMI_CODEC if ROCKCHIP_CDN_DP && SND_SOC > diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip= /Makefile > index 097f062399c7a..948b0f906d3d8 100644 > --- a/drivers/gpu/drm/rockchip/Makefile > +++ b/drivers/gpu/drm/rockchip/Makefile > @@ -15,7 +15,7 @@ rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI_QP) +=3D dw_hdmi_= qp-rockchip.o > rockchipdrm-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) +=3D dw-mipi-dsi-rockchip.o > rockchipdrm-$(CONFIG_ROCKCHIP_DW_MIPI_DSI2) +=3D dw-mipi-dsi2-rockchip.o > rockchipdrm-$(CONFIG_ROCKCHIP_DW_DP) +=3D dw_dp-rockchip.o > -rockchipdrm-$(CONFIG_ROCKCHIP_INNO_HDMI) +=3D inno_hdmi.o > +rockchipdrm-$(CONFIG_ROCKCHIP_INNO_HDMI) +=3D inno_hdmi-rockchip.o > rockchipdrm-$(CONFIG_ROCKCHIP_LVDS) +=3D rockchip_lvds.o > rockchipdrm-$(CONFIG_ROCKCHIP_RGB) +=3D rockchip_rgb.o > rockchipdrm-$(CONFIG_ROCKCHIP_RK3066_HDMI) +=3D rk3066_hdmi.o > diff --git a/drivers/gpu/drm/rockchip/inno_hdmi-rockchip.c b/drivers/gpu/= drm/rockchip/inno_hdmi-rockchip.c > new file mode 100644 > index 0000000000000..31cb2a90308c1 > --- /dev/null > +++ b/drivers/gpu/drm/rockchip/inno_hdmi-rockchip.c > @@ -0,0 +1,188 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (C) Rockchip Electronics Co., Ltd. > + * Zheng Yang > + * Andy Yan > + */ > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include > +#include > +#include > + > +#include "rockchip_drm_drv.h" > + > +#define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16) > + > +#define RK3036_GRF_SOC_CON2 0x148 > +#define RK3036_HDMI_PHSYNC BIT(4) > +#define RK3036_HDMI_PVSYNC BIT(5) > + > +enum inno_hdmi_dev_type { > + RK3036_HDMI, > + RK3128_HDMI, > +}; > + > +struct inno_hdmi_connector_state { > + struct drm_connector_state base; > + unsigned int colorimetry; > +}; > + > +struct rockchip_inno_hdmi { > + struct inno_hdmi *base; > + struct device *dev; > + struct regmap *grf; > + struct rockchip_encoder encoder; > +}; > + > +static struct inno_hdmi_phy_config rk3036_hdmi_phy_configs[] =3D { > + { 74250000, 0x3f, 0xbb }, > + { 165000000, 0x6f, 0xbb }, > + { ~0UL, 0x00, 0x00 } > +}; > + > +static struct inno_hdmi_phy_config rk3128_hdmi_phy_configs[] =3D { > + { 74250000, 0x3f, 0xaa }, > + { 165000000, 0x5f, 0xaa }, > + { ~0UL, 0x00, 0x00 } > +}; > + > +static void inno_hdmi_rk3036_enable(struct device *dev, struct drm_displ= ay_mode *mode) > +{ > + struct rockchip_inno_hdmi *hdmi =3D dev_get_drvdata(dev); > + int value, psync; > + > + psync =3D mode->flags & DRM_MODE_FLAG_PHSYNC ? RK3036_HDMI_PHSYNC : 0; > + value =3D HIWORD_UPDATE(psync, RK3036_HDMI_PHSYNC); > + psync =3D mode->flags & DRM_MODE_FLAG_PVSYNC ? RK3036_HDMI_PVSYNC : 0; > + value |=3D HIWORD_UPDATE(psync, RK3036_HDMI_PVSYNC); > + regmap_write(hdmi->grf, RK3036_GRF_SOC_CON2, value); > +} > + > +static int inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder, > + struct drm_crtc_state *crtc_state, > + struct drm_connector_state *conn_state) > +{ > + struct rockchip_crtc_state *s =3D to_rockchip_crtc_state(crtc_state); > + > + s->output_mode =3D ROCKCHIP_OUT_MODE_P888; > + s->output_type =3D DRM_MODE_CONNECTOR_HDMIA; > + > + return 0; > +} > + > +static const struct drm_encoder_helper_funcs inno_hdmi_rockchip_encoder_= helper_funcs =3D { > + .atomic_check =3D inno_hdmi_encoder_atomic_check, > +}; > + > +static int inno_hdmi_rockchip_bind(struct device *dev, struct device *ma= ster, void *data) > +{ > + struct drm_device *drm =3D data; > + struct drm_connector *connector; > + struct drm_encoder *encoder; > + struct rockchip_inno_hdmi *hdmi; > + const struct inno_hdmi_plat_data *plat_data; > + int ret; > + > + hdmi =3D devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); > + if (!hdmi) > + return -ENOMEM; > + > + hdmi->dev =3D dev; > + > + plat_data =3D of_device_get_match_data(hdmi->dev); > + if (!plat_data) > + return -EINVAL; > + > + if (of_device_is_compatible(dev->of_node, "rockchip,rk3036-inno-hdmi"))= { > + hdmi->grf =3D syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,= grf"); > + if (IS_ERR(hdmi->grf)) > + return dev_err_probe(dev, > + PTR_ERR(hdmi->grf), "Unable to get rockchip,grf\n"); > + } > + > + encoder =3D &hdmi->encoder.encoder; > + encoder->possible_crtcs =3D drm_of_find_possible_crtcs(drm, dev->of_nod= e); > + > + /* > + * 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 =3D=3D 0) > + return -EPROBE_DEFER; > + > + ret =3D drmm_encoder_init(drm, encoder, NULL, DRM_MODE_ENCODER_TMDS, NU= LL); > + if (ret) > + return ret; > + > + drm_encoder_helper_add(encoder, &inno_hdmi_rockchip_encoder_helper_func= s); > + > + dev_set_drvdata(dev, hdmi); > + > + hdmi->base =3D inno_hdmi_bind(dev, encoder, plat_data); > + > + connector =3D drm_bridge_connector_init(drm, encoder); > + if (IS_ERR(connector)) { > + ret =3D PTR_ERR(connector); > + dev_err(hdmi->dev, "failed to init bridge connector: %d\n", ret); > + return ret; > + } > + > + return drm_connector_attach_encoder(connector, encoder); > +} > + > +static const struct component_ops inno_hdmi_rockchip_ops =3D { > + .bind =3D inno_hdmi_rockchip_bind, > +}; > + > +static int inno_hdmi_rockchip_probe(struct platform_device *pdev) > +{ > + return component_add(&pdev->dev, &inno_hdmi_rockchip_ops); > +} > + > +static void inno_hdmi_rockchip_remove(struct platform_device *pdev) > +{ > + component_del(&pdev->dev, &inno_hdmi_rockchip_ops); > +} > + > +static const struct inno_hdmi_plat_ops rk3036_inno_hdmi_plat_ops =3D { > + .enable =3D inno_hdmi_rk3036_enable, > +}; > + > +static const struct inno_hdmi_plat_data rk3036_inno_hdmi_plat_data =3D { > + .ops =3D &rk3036_inno_hdmi_plat_ops, > + .phy_configs =3D rk3036_hdmi_phy_configs, > + .default_phy_config =3D &rk3036_hdmi_phy_configs[1], > +}; > + > +static const struct inno_hdmi_plat_data rk3128_inno_hdmi_plat_data =3D { > + .phy_configs =3D rk3128_hdmi_phy_configs, > + .default_phy_config =3D &rk3128_hdmi_phy_configs[1], > +}; > + > +static const struct of_device_id inno_hdmi_rockchip_dt_ids[] =3D { > + { .compatible =3D "rockchip,rk3036-inno-hdmi", > + .data =3D &rk3036_inno_hdmi_plat_data, > + }, > + { .compatible =3D "rockchip,rk3128-inno-hdmi", > + .data =3D &rk3128_inno_hdmi_plat_data, > + }, > + {}, > +}; > +MODULE_DEVICE_TABLE(of, inno_hdmi_rockchip_dt_ids); > + > +struct platform_driver inno_hdmi_driver =3D { > + .probe =3D inno_hdmi_rockchip_probe, > + .remove =3D inno_hdmi_rockchip_remove, > + .driver =3D { > + .name =3D "innohdmi-rockchip", > + .of_match_table =3D inno_hdmi_rockchip_dt_ids, > + }, > +}; > diff --git a/include/drm/bridge/inno_hdmi.h b/include/drm/bridge/inno_hdm= i.h > new file mode 100644 > index 0000000000000..8b39655212e24 > --- /dev/null > +++ b/include/drm/bridge/inno_hdmi.h > @@ -0,0 +1,33 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +/* > + * Copyright (c) 2025 Rockchip Electronics Co., Ltd. > + */ > + > +#ifndef __INNO_HDMI__ > +#define __INNO_HDMI__ > + > +struct device; > +struct drm_encoder; > +struct drm_display_mode; > +struct inno_hdmi; > + > +struct inno_hdmi_plat_ops { > + void (*enable)(struct device *pdev, struct drm_display_mode *mode); > +}; > + > +struct inno_hdmi_phy_config { > + unsigned long pixelclock; > + u8 pre_emphasis; > + u8 voltage_level_control; > +}; > + > +struct inno_hdmi_plat_data { > + const struct inno_hdmi_plat_ops *ops; > + struct inno_hdmi_phy_config *phy_configs; > + struct inno_hdmi_phy_config *default_phy_config; > +}; > + > +struct inno_hdmi *inno_hdmi_bind(struct device *pdev, > + struct drm_encoder *encoder, > + const struct inno_hdmi_plat_data *plat_data); > +#endif /* __INNO_HDMI__ */ >=20 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E2FE0CA0FF2 for ; Wed, 3 Sep 2025 12:50:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: 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Cc: mripard@kernel.org, neil.armstrong@linaro.org, andrzej.hajda@intel.com, jernej.skrabec@gmail.com, jonas@kwiboo.se, Laurent.pinchart@ideasonboard.com, maarten.lankhorst@linux.intel.com, rfoss@kernel.org, simona@ffwll.ch, tzimmermann@suse.de, knaerzche@gmail.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Andy Yan Subject: Re: [PATCH v7 1/2] drm/rockchip: inno-hdmi: Convert to drm bridge Date: Wed, 03 Sep 2025 13:59:51 +0200 Message-ID: <5255838.1BCLMh4Saa@phil> In-Reply-To: <20250903110825.776807-2-andyshrk@163.com> References: <20250903110825.776807-1-andyshrk@163.com> <20250903110825.776807-2-andyshrk@163.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250903_050042_153085_47A571A6 X-CRM114-Status: GOOD ( 30.87 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 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