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Fri, 24 Apr 2020 11:36:50 -0400 (EDT) From: Maxime Ripard To: Nicolas Saenz Julienne , Eric Anholt Subject: [PATCH v2 63/91] drm/vc4: hdmi: rework connectors and encoders Date: Fri, 24 Apr 2020 17:34:44 +0200 Message-Id: <9ac05e280ae09286e80a882a5103c2e615f6253f.1587742492.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.26.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200424_083652_581360_2D4865FB X-CRM114-Status: GOOD ( 16.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tim Gover , Dave Stevenson , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 | 87 ++++++++++++++++------------------- drivers/gpu/drm/vc4/vc4_hdmi.h | 64 +++++++++++++------------- 2 files changed, 72 insertions(+), 79 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 4b21292072e4..ba3b589af30d 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -190,20 +190,15 @@ static const struct drm_connector_helper_funcs vc4_hdmi_connector_helper_funcs = .get_modes = vc4_hdmi_connector_get_modes, }; -static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, - struct drm_encoder *encoder, - struct i2c_adapter *ddc) +static int vc4_hdmi_connector_init(struct drm_device *dev, + struct vc4_hdmi *vc4_hdmi, + struct i2c_adapter *ddc) { - 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_with_ddc(dev, connector, @@ -215,7 +210,7 @@ static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, /* 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); @@ -227,7 +222,7 @@ static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, drm_connector_attach_encoder(connector, encoder); - return connector; + return 0; } static void vc4_hdmi_encoder_destroy(struct drm_encoder *encoder) @@ -306,21 +301,22 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder) 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_funcs vc4_hdmi_encoder_helper_funcs = { /* 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(struct vc4_hdmi *hdmi) 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 snd_pcm_substream *substream, 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 snd_pcm_substream *substream, 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 snd_soc_dai *dai, unsigned int fmt) 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(struct snd_pcm_substream *substream, 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 snd_pcm_substream *substream, int cmd, 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(struct snd_kcontrol *kcontrol, { 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(struct snd_kcontrol *kcontrol, { 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; } @@ -1228,7 +1227,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) 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; @@ -1237,14 +1236,10 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) 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); @@ -1330,16 +1325,14 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) } 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, hdmi->ddc); - if (IS_ERR(hdmi->connector)) { - ret = PTR_ERR(hdmi->connector); + ret = vc4_hdmi_connector_init(drm, hdmi, hdmi->ddc); + 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", @@ -1349,7 +1342,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) 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); @@ -1386,10 +1379,10 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) 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); @@ -1407,8 +1400,8 @@ static void vc4_hdmi_unbind(struct device *dev, struct device *master, 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); diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index 5ec5d1f6b1e6..17079a39f1b1 100644 --- 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_ */ -- git-series 0.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel