From 50e7e810cf403c4b217c68c8ae2544d16f8063d1 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Mon, 6 Jan 2020 17:17:29 +0100 Subject: [PATCH] drm/vc4: hdmi: rework connectors and encoders the vc4_hdmi driver has some custom structures to hold the data it needs to associate with the drm_encoder and drm_connector structures. However, it allocates them separately from the vc4_hdmi structure which makes it more complicated than it needs to be. Move those structures to be contained by vc4_hdmi and update the code accordingly. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_hdmi.c | 84 ++++++++++++++++------------------ drivers/gpu/drm/vc4/vc4_hdmi.h | 64 +++++++++++++------------- 2 files changed, 71 insertions(+), 77 deletions(-) --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -190,19 +190,14 @@ static const struct drm_connector_helper .get_modes = vc4_hdmi_connector_get_modes, }; -static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, - struct drm_encoder *encoder) +static int vc4_hdmi_connector_init(struct drm_device *dev, + struct vc4_hdmi *vc4_hdmi) { - struct drm_connector *connector; - struct vc4_hdmi_connector *hdmi_connector; + struct vc4_hdmi_connector *hdmi_connector = &vc4_hdmi->connector; + struct drm_connector *connector = &hdmi_connector->base; + struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base; int ret; - hdmi_connector = devm_kzalloc(dev->dev, sizeof(*hdmi_connector), - GFP_KERNEL); - if (!hdmi_connector) - return ERR_PTR(-ENOMEM); - connector = &hdmi_connector->base; - hdmi_connector->encoder = encoder; drm_connector_init(dev, connector, &vc4_hdmi_connector_funcs, @@ -212,7 +207,7 @@ static struct drm_connector *vc4_hdmi_co /* Create and attach TV margin props to this connector. */ ret = drm_mode_create_tv_margin_properties(dev); if (ret) - return ERR_PTR(ret); + return ret; drm_connector_attach_tv_margin_properties(connector); @@ -224,7 +219,7 @@ static struct drm_connector *vc4_hdmi_co drm_connector_attach_encoder(connector, encoder); - return connector; + return 0; } static void vc4_hdmi_encoder_destroy(struct drm_encoder *encoder) @@ -303,21 +298,22 @@ static void vc4_hdmi_set_avi_infoframe(s struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder); struct vc4_dev *vc4 = encoder->dev->dev_private; struct vc4_hdmi *hdmi = vc4->hdmi; - struct drm_connector_state *cstate = hdmi->connector->state; + struct drm_connector *connector = &hdmi->connector.base; + struct drm_connector_state *cstate = connector->state; struct drm_crtc *crtc = encoder->crtc; const struct drm_display_mode *mode = &crtc->state->adjusted_mode; union hdmi_infoframe frame; int ret; ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, - hdmi->connector, mode); + connector, mode); if (ret < 0) { DRM_ERROR("couldn't fill AVI infoframe\n"); return; } drm_hdmi_avi_infoframe_quant_range(&frame.avi, - hdmi->connector, mode, + connector, mode, vc4_encoder->limited_rgb_range ? HDMI_QUANTIZATION_RANGE_LIMITED : HDMI_QUANTIZATION_RANGE_FULL); @@ -636,7 +632,8 @@ static const struct drm_encoder_helper_f /* HDMI audio codec callbacks */ static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *hdmi) { - struct drm_device *drm = hdmi->encoder->dev; + struct drm_encoder *encoder = &hdmi->encoder.base.base; + struct drm_device *drm = encoder->dev; struct vc4_dev *vc4 = to_vc4_dev(drm); u32 hsm_clock = clk_get_rate(hdmi->hsm_clock); unsigned long n, m; @@ -655,7 +652,7 @@ static void vc4_hdmi_audio_set_mai_clock static void vc4_hdmi_set_n_cts(struct vc4_hdmi *hdmi) { - struct drm_encoder *encoder = hdmi->encoder; + struct drm_encoder *encoder = &hdmi->encoder.base.base; struct drm_crtc *crtc = encoder->crtc; struct drm_device *drm = encoder->dev; struct vc4_dev *vc4 = to_vc4_dev(drm); @@ -693,7 +690,8 @@ static int vc4_hdmi_audio_startup(struct struct snd_soc_dai *dai) { struct vc4_hdmi *hdmi = dai_to_hdmi(dai); - struct drm_encoder *encoder = hdmi->encoder; + struct drm_encoder *encoder = &hdmi->encoder.base.base; + struct drm_connector *connector = &hdmi->connector.base; struct vc4_dev *vc4 = to_vc4_dev(encoder->dev); int ret; @@ -710,8 +708,7 @@ static int vc4_hdmi_audio_startup(struct VC4_HDMI_RAM_PACKET_ENABLE)) return -ENODEV; - ret = snd_pcm_hw_constraint_eld(substream->runtime, - hdmi->connector->eld); + ret = snd_pcm_hw_constraint_eld(substream->runtime, connector->eld); if (ret) return ret; @@ -725,7 +722,7 @@ static int vc4_hdmi_audio_set_fmt(struct static void vc4_hdmi_audio_reset(struct vc4_hdmi *hdmi) { - struct drm_encoder *encoder = hdmi->encoder; + struct drm_encoder *encoder = &hdmi->encoder.base.base; struct drm_device *drm = encoder->dev; struct device *dev = &hdmi->pdev->dev; struct vc4_dev *vc4 = to_vc4_dev(drm); @@ -759,7 +756,7 @@ static int vc4_hdmi_audio_hw_params(stru struct snd_soc_dai *dai) { struct vc4_hdmi *hdmi = dai_to_hdmi(dai); - struct drm_encoder *encoder = hdmi->encoder; + struct drm_encoder *encoder = &hdmi->encoder.base.base; struct drm_device *drm = encoder->dev; struct device *dev = &hdmi->pdev->dev; struct vc4_dev *vc4 = to_vc4_dev(drm); @@ -832,7 +829,7 @@ static int vc4_hdmi_audio_trigger(struct struct snd_soc_dai *dai) { struct vc4_hdmi *hdmi = dai_to_hdmi(dai); - struct drm_encoder *encoder = hdmi->encoder; + struct drm_encoder *encoder = &hdmi->encoder.base.base; struct drm_device *drm = encoder->dev; struct vc4_dev *vc4 = to_vc4_dev(drm); @@ -876,9 +873,10 @@ static int vc4_hdmi_audio_eld_ctl_info(s { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct vc4_hdmi *hdmi = snd_component_to_hdmi(component); + struct drm_connector *connector = &hdmi->connector.base; uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; - uinfo->count = sizeof(hdmi->connector->eld); + uinfo->count = sizeof(connector->eld); return 0; } @@ -888,9 +886,10 @@ static int vc4_hdmi_audio_eld_ctl_get(st { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct vc4_hdmi *hdmi = snd_component_to_hdmi(component); + struct drm_connector *connector = &hdmi->connector.base; - memcpy(ucontrol->value.bytes.data, hdmi->connector->eld, - sizeof(hdmi->connector->eld)); + memcpy(ucontrol->value.bytes.data, connector->eld, + sizeof(connector->eld)); return 0; } @@ -1230,7 +1229,7 @@ static int vc4_hdmi_bind(struct device * struct drm_device *drm = dev_get_drvdata(master); struct vc4_dev *vc4 = drm->dev_private; struct vc4_hdmi *hdmi; - struct vc4_hdmi_encoder *vc4_hdmi_encoder; + struct drm_encoder *encoder; struct device_node *ddc_node; u32 value; int ret; @@ -1239,14 +1238,10 @@ static int vc4_hdmi_bind(struct device * if (!hdmi) return -ENOMEM; - vc4_hdmi_encoder = devm_kzalloc(dev, sizeof(*vc4_hdmi_encoder), - GFP_KERNEL); - if (!vc4_hdmi_encoder) - return -ENOMEM; - vc4_hdmi_encoder->base.type = VC4_ENCODER_TYPE_HDMI0; - hdmi->encoder = &vc4_hdmi_encoder->base.base; - hdmi->pdev = pdev; + encoder = &hdmi->encoder.base.base; + encoder->base.type = VC4_ENCODER_TYPE_HDMI0; + hdmi->hdmicore_regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(hdmi->hdmicore_regs)) return PTR_ERR(hdmi->hdmicore_regs); @@ -1332,15 +1327,14 @@ static int vc4_hdmi_bind(struct device * } pm_runtime_enable(dev); - drm_encoder_init(drm, hdmi->encoder, &vc4_hdmi_encoder_funcs, + drm_encoder_init(drm, encoder, &vc4_hdmi_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); - drm_encoder_helper_add(hdmi->encoder, &vc4_hdmi_encoder_helper_funcs); + drm_encoder_helper_add(encoder, &vc4_hdmi_encoder_helper_funcs); - hdmi->connector = vc4_hdmi_connector_init(drm, hdmi->encoder); - if (IS_ERR(hdmi->connector)) { - ret = PTR_ERR(hdmi->connector); + ret = vc4_hdmi_connector_init(drm, hdmi); + if (ret) goto err_destroy_encoder; - } + #ifdef CONFIG_DRM_VC4_HDMI_CEC hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops, vc4, "vc4", @@ -1350,7 +1344,7 @@ static int vc4_hdmi_bind(struct device * if (ret < 0) goto err_destroy_conn; - cec_fill_conn_info_from_drm(&conn_info, hdmi->connector); + cec_fill_conn_info_from_drm(&conn_info, &hdmi->connector.base); cec_s_conn_info(hdmi->cec_adap, &conn_info); HDMI_WRITE(VC4_HDMI_CPU_MASK_SET, 0xffffffff); @@ -1387,10 +1381,10 @@ static int vc4_hdmi_bind(struct device * err_delete_cec_adap: cec_delete_adapter(hdmi->cec_adap); err_destroy_conn: - vc4_hdmi_connector_destroy(hdmi->connector); + vc4_hdmi_connector_destroy(&hdmi->connector.base); #endif err_destroy_encoder: - vc4_hdmi_encoder_destroy(hdmi->encoder); + vc4_hdmi_encoder_destroy(encoder); err_unprepare_hsm: clk_disable_unprepare(hdmi->hsm_clock); pm_runtime_disable(dev); @@ -1408,8 +1402,8 @@ static void vc4_hdmi_unbind(struct devic struct vc4_hdmi *hdmi = vc4->hdmi; cec_unregister_adapter(hdmi->cec_adap); - vc4_hdmi_connector_destroy(hdmi->connector); - vc4_hdmi_encoder_destroy(hdmi->encoder); + vc4_hdmi_connector_destroy(&hdmi->connector.base); + vc4_hdmi_encoder_destroy(&hdmi->encoder.base.base); clk_disable_unprepare(hdmi->hsm_clock); pm_runtime_disable(dev); --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -8,6 +8,36 @@ #include "vc4_drv.h" +/* VC4 HDMI encoder KMS struct */ +struct vc4_hdmi_encoder { + struct vc4_encoder base; + bool hdmi_monitor; + bool limited_rgb_range; +}; + +static inline struct vc4_hdmi_encoder * +to_vc4_hdmi_encoder(struct drm_encoder *encoder) +{ + return container_of(encoder, struct vc4_hdmi_encoder, base.base); +} + +/* VC4 HDMI connector KMS struct */ +struct vc4_hdmi_connector { + struct drm_connector base; + + /* Since the connector is attached to just the one encoder, + * this is the reference to it so we can do the best_encoder() + * hook. + */ + struct drm_encoder *encoder; +}; + +static inline struct vc4_hdmi_connector * +to_vc4_hdmi_connector(struct drm_connector *connector) +{ + return container_of(connector, struct vc4_hdmi_connector, base); +} + /* HDMI audio information */ struct vc4_hdmi_audio { struct snd_soc_card card; @@ -25,8 +55,8 @@ struct vc4_hdmi_audio { struct vc4_hdmi { struct platform_device *pdev; - struct drm_encoder *encoder; - struct drm_connector *connector; + struct vc4_hdmi_encoder encoder; + struct vc4_hdmi_connector connector; struct vc4_hdmi_audio audio; @@ -53,34 +83,4 @@ struct vc4_hdmi { #define HD_READ(offset) readl(vc4->hdmi->hd_regs + offset) #define HD_WRITE(offset, val) writel(val, vc4->hdmi->hd_regs + offset) -/* VC4 HDMI encoder KMS struct */ -struct vc4_hdmi_encoder { - struct vc4_encoder base; - bool hdmi_monitor; - bool limited_rgb_range; -}; - -static inline struct vc4_hdmi_encoder * -to_vc4_hdmi_encoder(struct drm_encoder *encoder) -{ - return container_of(encoder, struct vc4_hdmi_encoder, base.base); -} - -/* VC4 HDMI connector KMS struct */ -struct vc4_hdmi_connector { - struct drm_connector base; - - /* Since the connector is attached to just the one encoder, - * this is the reference to it so we can do the best_encoder() - * hook. - */ - struct drm_encoder *encoder; -}; - -static inline struct vc4_hdmi_connector * -to_vc4_hdmi_connector(struct drm_connector *connector) -{ - return container_of(connector, struct vc4_hdmi_connector, base); -} - #endif /* _VC4_HDMI_H_ */