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C++ drm_encoder_helper_add函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中drm_encoder_helper_add函数的典型用法代码示例。如果您正苦于以下问题：C++ drm_encoder_helper_add函数的具体用法？C++ drm_encoder_helper_add怎么用？C++ drm_encoder_helper_add使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了drm_encoder_helper_add函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: kzalloc

/* initialize encoder */
struct drm_encoder *mdp5_encoder_init(struct drm_device *dev, int intf,
		enum mdp5_intf intf_id)
{
	struct drm_encoder *encoder = NULL;
	struct mdp5_encoder *mdp5_encoder;
	int ret;

	mdp5_encoder = kzalloc(sizeof(*mdp5_encoder), GFP_KERNEL);
	if (!mdp5_encoder) {
		ret = -ENOMEM;
		goto fail;
	}

	mdp5_encoder->intf = intf;
	mdp5_encoder->intf_id = intf_id;
	encoder = &mdp5_encoder->base;

	drm_encoder_init(dev, encoder, &mdp5_encoder_funcs,
			 DRM_MODE_ENCODER_TMDS);
	drm_encoder_helper_add(encoder, &mdp5_encoder_helper_funcs);

	bs_init(mdp5_encoder);

	return encoder;

fail:
	if (encoder)
		mdp5_encoder_destroy(encoder);

	return ERR_PTR(ret);
}
开发者ID:mikuhatsune001，项目名称:linux2.6.32，代码行数:32，代码来源:mdp5_encoder.c


示例2: kzalloc

struct drm_encoder *evdi_encoder_init(struct drm_device *dev)
{
	struct drm_encoder *encoder;
	int ret = 0;

	encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
	if (!encoder)
		goto err;

#if KERNEL_VERSION(4, 5, 0) <= LINUX_VERSION_CODE
	ret = drm_encoder_init(dev, encoder, &evdi_enc_funcs,
			       DRM_MODE_ENCODER_TMDS, dev_name(dev->dev));
#else
	ret = drm_encoder_init(dev, encoder, &evdi_enc_funcs,
			       DRM_MODE_ENCODER_TMDS);
#endif

	if (ret) {
		EVDI_ERROR("Failed to initialize encoder: %d\n", ret);
		goto err_encoder;
	}

	drm_encoder_helper_add(encoder, &evdi_helper_funcs);
	encoder->possible_crtcs = 1;
	return encoder;

err_encoder:
	kfree(encoder);
err:
	return NULL;
}
开发者ID:DisplayLink，项目名称:evdi，代码行数:31，代码来源:evdi_encoder.c


示例3: sti_tvout_create_dvo_encoder

static struct drm_encoder *
sti_tvout_create_dvo_encoder(struct drm_device *dev,
			     struct sti_tvout *tvout)
{
	struct sti_tvout_encoder *encoder;
	struct drm_encoder *drm_encoder;

	encoder = devm_kzalloc(tvout->dev, sizeof(*encoder), GFP_KERNEL);
	if (!encoder)
		return NULL;

	encoder->tvout = tvout;

	drm_encoder = (struct drm_encoder *)encoder;

	drm_encoder->possible_crtcs = ENCODER_CRTC_MASK;
	drm_encoder->possible_clones = 1 << 0;

	drm_encoder_init(dev, drm_encoder,
			 &sti_tvout_encoder_funcs, DRM_MODE_ENCODER_LVDS,
			 NULL);

	drm_encoder_helper_add(drm_encoder, &sti_dvo_encoder_helper_funcs);

	return drm_encoder;
}
开发者ID:SantoshShilimkar，项目名称:linux，代码行数:26，代码来源:sti_tvout.c


示例4: kzalloc

/* initialize encoder */
struct drm_encoder *mdp4_dsi_encoder_init(struct drm_device *dev)
{
	struct drm_encoder *encoder = NULL;
	struct mdp4_dsi_encoder *mdp4_dsi_encoder;
	int ret;

	mdp4_dsi_encoder = kzalloc(sizeof(*mdp4_dsi_encoder), GFP_KERNEL);
	if (!mdp4_dsi_encoder) {
		ret = -ENOMEM;
		goto fail;
	}

	encoder = &mdp4_dsi_encoder->base;

	drm_encoder_init(dev, encoder, &mdp4_dsi_encoder_funcs,
			 DRM_MODE_ENCODER_DSI, NULL);
	drm_encoder_helper_add(encoder, &mdp4_dsi_encoder_helper_funcs);

	return encoder;

fail:
	if (encoder)
		mdp4_dsi_encoder_destroy(encoder);

	return ERR_PTR(ret);
}
开发者ID:Anjali05，项目名称:linux，代码行数:27，代码来源:mdp4_dsi_encoder.c


示例5: nv50_dac_create

int
nv50_dac_create(struct drm_device *dev, struct dcb_entry *entry)
{
	struct nouveau_encoder *nv_encoder;
	struct drm_encoder *encoder;

	NV_DEBUG(dev, "\n");
	NV_INFO(dev, "Detected a DAC output\n");

	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
	if (!nv_encoder)
		return -ENOMEM;
	encoder = to_drm_encoder(nv_encoder);

	nv_encoder->dcb = entry;
	nv_encoder->or = ffs(entry->or) - 1;

	nv_encoder->disconnect = nv50_dac_disconnect;

	drm_encoder_init(dev, encoder, &nv50_dac_encoder_funcs,
			 DRM_MODE_ENCODER_DAC);
	drm_encoder_helper_add(encoder, &nv50_dac_helper_funcs);

	encoder->possible_crtcs = entry->heads;
	encoder->possible_clones = 0;
	return 0;
}
开发者ID:Aircell，项目名称:asp-kernel，代码行数:27，代码来源:nv50_dac.c


示例6: qdev_output_init

static int qdev_output_init(struct drm_device *dev, int num_output)
{
	struct qxl_device *qdev = dev->dev_private;
	struct qxl_output *qxl_output;
	struct drm_connector *connector;
	struct drm_encoder *encoder;

	qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
	if (!qxl_output)
		return -ENOMEM;

	qxl_output->index = num_output;

	connector = &qxl_output->base;
	encoder = &qxl_output->enc;
	drm_connector_init(dev, &qxl_output->base,
			   &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);

	drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
			 DRM_MODE_ENCODER_VIRTUAL);

	/* we get HPD via client monitors config */
	connector->polled = DRM_CONNECTOR_POLL_HPD;
	encoder->possible_crtcs = 1 << num_output;
	drm_mode_connector_attach_encoder(&qxl_output->base,
					  &qxl_output->enc);
	drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
	drm_connector_helper_add(connector, &qxl_connector_helper_funcs);

	drm_object_attach_property(&connector->base,
				   qdev->hotplug_mode_update_property, 0);
	drm_sysfs_connector_add(connector);
	return 0;
}
开发者ID:BozkurTR，项目名称:kernel，代码行数:34，代码来源:qxl_display.c


示例7: kzalloc

static struct drm_encoder *panel_encoder_create(struct drm_device *dev,
		struct panel_module *mod)
{
	struct panel_encoder *panel_encoder;
	struct drm_encoder *encoder;
	int ret;

	panel_encoder = kzalloc(sizeof(*panel_encoder), GFP_KERNEL);
	if (!panel_encoder) {
		dev_err(dev->dev, "allocation failed\n");
		return NULL;
	}

	panel_encoder->mod = mod;

	encoder = &panel_encoder->base;
	encoder->possible_crtcs = 1;

	ret = drm_encoder_init(dev, encoder, &panel_encoder_funcs,
			DRM_MODE_ENCODER_LVDS);
	if (ret < 0)
		goto fail;

	drm_encoder_helper_add(encoder, &panel_encoder_helper_funcs);

	return encoder;

fail:
	panel_encoder_destroy(encoder);
	return NULL;
}
开发者ID:0x000000FF，项目名称:Linux4Edison，代码行数:31，代码来源:tilcdc_panel.c


示例8: imx_hdmi_register

static int imx_hdmi_register(struct drm_device *drm, struct imx_hdmi *hdmi)
{
	int ret;

	ret = imx_drm_encoder_parse_of(drm, &hdmi->encoder,
				       hdmi->dev->of_node);
	if (ret)
		return ret;

	hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;

	drm_encoder_helper_add(&hdmi->encoder, &imx_hdmi_encoder_helper_funcs);
	drm_encoder_init(drm, &hdmi->encoder, &imx_hdmi_encoder_funcs,
			 DRM_MODE_ENCODER_TMDS);

	drm_connector_helper_add(&hdmi->connector,
			&imx_hdmi_connector_helper_funcs);
	drm_connector_init(drm, &hdmi->connector, &imx_hdmi_connector_funcs,
			   DRM_MODE_CONNECTOR_HDMIA);

	hdmi->connector.encoder = &hdmi->encoder;

	drm_mode_connector_attach_encoder(&hdmi->connector, &hdmi->encoder);

	return 0;
}
开发者ID:pombredanne，项目名称:mithrandir，代码行数:26，代码来源:imx-hdmi.c


示例9: imx_pd_register

static int imx_pd_register(struct drm_device *drm,
	struct imx_parallel_display *imxpd)
{
	int ret;

	ret = imx_drm_encoder_parse_of(drm, &imxpd->encoder,
				       imxpd->dev->of_node);
	if (ret)
		return ret;

	/* set the connector's dpms to OFF so that
	 * drm_helper_connector_dpms() won't return
	 * immediately since the current state is ON
	 * at this point.
	 */
	imxpd->connector.dpms = DRM_MODE_DPMS_OFF;

	drm_encoder_helper_add(&imxpd->encoder, &imx_pd_encoder_helper_funcs);
	drm_encoder_init(drm, &imxpd->encoder, &imx_pd_encoder_funcs,
			 DRM_MODE_ENCODER_NONE, NULL);

	drm_connector_helper_add(&imxpd->connector,
			&imx_pd_connector_helper_funcs);
	drm_connector_init(drm, &imxpd->connector, &imx_pd_connector_funcs,
			   DRM_MODE_CONNECTOR_VGA);

	if (imxpd->panel)
		drm_panel_attach(imxpd->panel, &imxpd->connector);

	drm_mode_connector_attach_encoder(&imxpd->connector, &imxpd->encoder);

	return 0;
}
开发者ID:020gzh，项目名称:linux，代码行数:33，代码来源:parallel-display.c


示例10: cdv_intel_crt_init

void cdv_intel_crt_init(struct drm_device *dev,
			struct psb_intel_mode_device *mode_dev)
{

	struct psb_intel_connector *psb_intel_connector;
	struct psb_intel_encoder *psb_intel_encoder;
	struct drm_connector *connector;
	struct drm_encoder *encoder;

	u32 i2c_reg;

	psb_intel_encoder = kzalloc(sizeof(struct psb_intel_encoder), GFP_KERNEL);
	if (!psb_intel_encoder)
		return;

	psb_intel_connector = kzalloc(sizeof(struct psb_intel_connector), GFP_KERNEL);
	if (!psb_intel_connector)
		goto failed_connector;

	connector = &psb_intel_connector->base;
	drm_connector_init(dev, connector,
		&cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);

	encoder = &psb_intel_encoder->base;
	drm_encoder_init(dev, encoder,
		&cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);

	psb_intel_connector_attach_encoder(psb_intel_connector,
					   psb_intel_encoder);

	
	i2c_reg = GPIOA;
	
	psb_intel_encoder->ddc_bus = psb_intel_i2c_create(dev,
							  i2c_reg, "CRTDDC_A");
	if (!psb_intel_encoder->ddc_bus) {
		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
			   "failed.\n");
		goto failed_ddc;
	}

	psb_intel_encoder->type = INTEL_OUTPUT_ANALOG;
	connector->interlace_allowed = 0;
	connector->doublescan_allowed = 0;

	drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
	drm_connector_helper_add(connector,
					&cdv_intel_crt_connector_helper_funcs);

	drm_sysfs_connector_add(connector);

	return;
failed_ddc:
	drm_encoder_cleanup(&psb_intel_encoder->base);
	drm_connector_cleanup(&psb_intel_connector->base);
	kfree(psb_intel_connector);
failed_connector:
	kfree(psb_intel_encoder);
	return;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:60，代码来源:cdv_intel_crt.c


示例11: dce_virtual_connector_encoder_init

static int dce_virtual_connector_encoder_init(struct amdgpu_device *adev,
					      int index)
{
	struct drm_encoder *encoder;
	struct drm_connector *connector;

	/* add a new encoder */
	encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
	if (!encoder)
		return -ENOMEM;
	encoder->possible_crtcs = 1 << index;
	drm_encoder_init(adev->ddev, encoder, &dce_virtual_encoder_funcs,
			 DRM_MODE_ENCODER_VIRTUAL, NULL);
	drm_encoder_helper_add(encoder, &dce_virtual_encoder_helper_funcs);

	connector = kzalloc(sizeof(struct drm_connector), GFP_KERNEL);
	if (!connector) {
		kfree(encoder);
		return -ENOMEM;
	}

	/* add a new connector */
	drm_connector_init(adev->ddev, connector, &dce_virtual_connector_funcs,
			   DRM_MODE_CONNECTOR_VIRTUAL);
	drm_connector_helper_add(connector, &dce_virtual_connector_helper_funcs);
	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
	connector->interlace_allowed = false;
	connector->doublescan_allowed = false;
	drm_connector_register(connector);

	/* link them */
	drm_mode_connector_attach_encoder(connector, encoder);

	return 0;
}
开发者ID:mdamt，项目名称:linux，代码行数:35，代码来源:dce_virtual.c


示例12: hibmc_vdac_init

int hibmc_vdac_init(struct hibmc_drm_private *priv)
{
	struct drm_device *dev = priv->dev;
	struct drm_encoder *encoder;
	struct drm_connector *connector;
	int ret;

	connector = hibmc_connector_init(priv);
	if (IS_ERR(connector)) {
		DRM_ERROR("failed to create connector: %ld\n",
			  PTR_ERR(connector));
		return PTR_ERR(connector);
	}

	encoder = devm_kzalloc(dev->dev, sizeof(*encoder), GFP_KERNEL);
	if (!encoder) {
		DRM_ERROR("failed to alloc memory when init encoder\n");
		return -ENOMEM;
	}

	encoder->possible_crtcs = 0x1;
	ret = drm_encoder_init(dev, encoder, &hibmc_encoder_funcs,
			       DRM_MODE_ENCODER_DAC, NULL);
	if (ret) {
		DRM_ERROR("failed to init encoder: %d\n", ret);
		return ret;
	}

	drm_encoder_helper_add(encoder, &hibmc_encoder_helper_funcs);
	drm_connector_attach_encoder(connector, encoder);

	return 0;
}
开发者ID:AlexShiLucky，项目名称:linux，代码行数:33，代码来源:hibmc_drm_vdac.c


示例13: imx_pd_register

static int imx_pd_register(struct drm_device *drm,
	struct imx_parallel_display *imxpd)
{
	int ret;

	ret = imx_drm_encoder_parse_of(drm, &imxpd->encoder,
				       imxpd->dev->of_node);
	if (ret)
		return ret;

	drm_encoder_helper_add(&imxpd->encoder, &imx_pd_encoder_helper_funcs);
	drm_encoder_init(drm, &imxpd->encoder, &imx_pd_encoder_funcs,
			 DRM_MODE_ENCODER_NONE);

	drm_connector_helper_add(&imxpd->connector,
			&imx_pd_connector_helper_funcs);
	drm_connector_init(drm, &imxpd->connector, &imx_pd_connector_funcs,
			   DRM_MODE_CONNECTOR_VGA);

	if (imxpd->panel)
		drm_panel_attach(imxpd->panel, &imxpd->connector);

	drm_mode_connector_attach_encoder(&imxpd->connector, &imxpd->encoder);

	imxpd->connector.encoder = &imxpd->encoder;

	return 0;
}
开发者ID:MaxChina，项目名称:linux，代码行数:28，代码来源:parallel-display.c


示例14: imx_pd_register

static int imx_pd_register(struct imx_parallel_display *imxpd)
{
	int ret;

	drm_mode_connector_attach_encoder(&imxpd->connector, &imxpd->encoder);

	imxpd->connector.funcs = &imx_pd_connector_funcs;
	imxpd->encoder.funcs = &imx_pd_encoder_funcs;

	imxpd->encoder.encoder_type = DRM_MODE_ENCODER_NONE;
	imxpd->connector.connector_type = DRM_MODE_CONNECTOR_VGA;

	drm_encoder_helper_add(&imxpd->encoder, &imx_pd_encoder_helper_funcs);
	ret = imx_drm_add_encoder(&imxpd->encoder, &imxpd->imx_drm_encoder,
			THIS_MODULE);
	if (ret) {
		dev_err(imxpd->dev, "adding encoder failed with %d\n", ret);
		return ret;
	}

	drm_connector_helper_add(&imxpd->connector,
			&imx_pd_connector_helper_funcs);

	ret = imx_drm_add_connector(&imxpd->connector,
			&imxpd->imx_drm_connector, THIS_MODULE);
	if (ret) {
		imx_drm_remove_encoder(imxpd->imx_drm_encoder);
		dev_err(imxpd->dev, "adding connector failed with %d\n", ret);
		return ret;
	}

	imxpd->connector.encoder = &imxpd->encoder;

	return 0;
}
开发者ID:AllenDou，项目名称:linux，代码行数:35，代码来源:parallel-display.c


示例15: tegra_output_init

int tegra_output_init(struct drm_device *drm, struct tegra_output *output)
{
	int connector, encoder;

	switch (output->type) {
	case TEGRA_OUTPUT_RGB:
		connector = DRM_MODE_CONNECTOR_LVDS;
		encoder = DRM_MODE_ENCODER_LVDS;
		break;

	case TEGRA_OUTPUT_HDMI:
		connector = DRM_MODE_CONNECTOR_HDMIA;
		encoder = DRM_MODE_ENCODER_TMDS;
		break;

	case TEGRA_OUTPUT_DSI:
		connector = DRM_MODE_CONNECTOR_DSI;
		encoder = DRM_MODE_ENCODER_DSI;
		break;

	case TEGRA_OUTPUT_EDP:
		connector = DRM_MODE_CONNECTOR_eDP;
		encoder = DRM_MODE_ENCODER_TMDS;
		break;

	default:
		connector = DRM_MODE_CONNECTOR_Unknown;
		encoder = DRM_MODE_ENCODER_NONE;
		break;
	}

	drm_connector_init(drm, &output->connector, &connector_funcs,
			   connector);
	drm_connector_helper_add(&output->connector, &connector_helper_funcs);
	output->connector.dpms = DRM_MODE_DPMS_OFF;

	if (output->panel)
		drm_panel_attach(output->panel, &output->connector);

	drm_encoder_init(drm, &output->encoder, &encoder_funcs, encoder);
	drm_encoder_helper_add(&output->encoder, &encoder_helper_funcs);

	drm_mode_connector_attach_encoder(&output->connector, &output->encoder);
	drm_connector_register(&output->connector);

	output->encoder.possible_crtcs = 0x3;

	/*
	 * The connector is now registered and ready to receive hotplug events
	 * so the hotplug interrupt can be enabled.
	 */
	if (gpio_is_valid(output->hpd_gpio))
		enable_irq(output->hpd_irq);

	return 0;
}
开发者ID:383530895，项目名称:linux，代码行数:56，代码来源:output.c


示例16: bochs_encoder_init

static void bochs_encoder_init(struct drm_device *dev)
{
	struct bochs_device *bochs = dev->dev_private;
	struct drm_encoder *encoder = &bochs->encoder;

	encoder->possible_crtcs = 0x1;
	drm_encoder_init(dev, encoder, &bochs_encoder_encoder_funcs,
			 DRM_MODE_ENCODER_DAC);
	drm_encoder_helper_add(encoder, &bochs_encoder_helper_funcs);
}
开发者ID:akuster，项目名称:linux-meson，代码行数:10，代码来源:bochs_kms.c


示例17: dw_hdmi_imx_bind

static int dw_hdmi_imx_bind(struct device *dev, struct device *master,
			    void *data)
{
	struct platform_device *pdev = to_platform_device(dev);
	const struct dw_hdmi_plat_data *plat_data;
	const struct of_device_id *match;
	struct drm_device *drm = data;
	struct drm_encoder *encoder;
	struct imx_hdmi *hdmi;
	struct resource *iores;
	int irq;
	int ret;

	if (!pdev->dev.of_node)
		return -ENODEV;

	hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
	if (!hdmi)
		return -ENOMEM;

	match = of_match_node(dw_hdmi_imx_dt_ids, pdev->dev.of_node);
	plat_data = match->data;
	hdmi->dev = &pdev->dev;
	encoder = &hdmi->encoder;

	irq = platform_get_irq(pdev, 0);
	if (irq < 0)
		return irq;

	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!iores)
		return -ENXIO;

	platform_set_drvdata(pdev, hdmi);

	encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
	/*
	 * 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;

	ret = dw_hdmi_imx_parse_dt(hdmi);
	if (ret < 0)
		return ret;

	drm_encoder_helper_add(encoder, &dw_hdmi_imx_encoder_helper_funcs);
	drm_encoder_init(drm, encoder, &dw_hdmi_imx_encoder_funcs,
			 DRM_MODE_ENCODER_TMDS, NULL);

	return dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data);
}
开发者ID:BigeyeDestroyer，项目名称:linux，代码行数:55，代码来源:dw_hdmi-imx.c


示例18: omap_encoder_init

/* initialize encoder */
struct drm_encoder * omap_encoder_init(struct drm_device *dev,
		struct omap_overlay_manager *mgr)
{
	struct drm_encoder *encoder = NULL;
	struct omap_encoder *omap_encoder;
	struct omap_overlay_manager_info info;
	int ret;

	DBG("%s", mgr->name);

	omap_encoder = kzalloc(sizeof(*omap_encoder), GFP_KERNEL);
	if (!omap_encoder) {
		dev_err(dev->dev, "could not allocate encoder\n");
		goto fail;
	}

	omap_encoder->mgr = mgr;
	encoder = &omap_encoder->base;

	mgr->get_manager_info(mgr, &info);

	/* TODO: fix hard-coded setup.. */
	info.default_color = 0x00000000;
	info.trans_key = 0x00000000;
	info.trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
	info.trans_enabled = false;
	info.alpha_enabled = false;

	ret = mgr->set_manager_info(mgr, &info);
	if (ret) {
		dev_err(dev->dev, "could not set manager info\n");
		goto fail;
	}

	ret = mgr->apply(mgr);
	if (ret) {
		dev_err(dev->dev, "could not apply\n");
		goto fail;
	}

	drm_encoder_init(dev, encoder, &omap_encoder_funcs,
			 DRM_MODE_ENCODER_TMDS);
	drm_encoder_helper_add(encoder, &omap_encoder_helper_funcs);

	return encoder;

fail:
	if (encoder) {
		drm_encoder_cleanup(encoder);
		kfree(omap_encoder);
	}

	return NULL;
}
开发者ID:OESF，项目名称:linux-linaro-natty，代码行数:55，代码来源:omap_encoder.c


示例19: kzalloc

struct drm_encoder *udl_encoder_init(struct drm_device *dev)
{
    struct drm_encoder *encoder;

    encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
    if (!encoder)
        return NULL;

    drm_encoder_init(dev, encoder, &udl_enc_funcs, DRM_MODE_ENCODER_TMDS);
    drm_encoder_helper_add(encoder, &udl_helper_funcs);
    encoder->possible_crtcs = 1;
    return encoder;
}
开发者ID:RaulNG，项目名称:lge_f6mt_aosp，代码行数:13，代码来源:udl_encoder.c


示例20: nv04_tv_create

int
nv04_tv_create(struct drm_connector *connector, struct dcb_output *entry)
{
	struct nouveau_encoder *nv_encoder;
	struct drm_encoder *encoder;
	struct drm_device *dev = connector->dev;
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
	struct nvkm_i2c_port *port = i2c->find(i2c, entry->i2c_index);
	int type, ret;

	/* Ensure that we can talk to this encoder */
	type = nv04_tv_identify(dev, entry->i2c_index);
	if (type < 0)
		return type;

	/* Allocate the necessary memory */
	nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
	if (!nv_encoder)
		return -ENOMEM;

	/* Initialize the common members */
	encoder = to_drm_encoder(nv_encoder);

	drm_encoder_init(dev, encoder, &nv04_tv_funcs, DRM_MODE_ENCODER_TVDAC);
	drm_encoder_helper_add(encoder, &nv04_tv_helper_funcs);

	encoder->possible_crtcs = entry->heads;
	encoder->possible_clones = 0;
	nv_encoder->dcb = entry;
	nv_encoder->or = ffs(entry->or) - 1;

	/* Run the slave-specific initialization */
	ret = drm_i2c_encoder_init(dev, to_encoder_slave(encoder),
				   &port->adapter,
				   &nv04_tv_encoder_info[type].dev);
	if (ret < 0)
		goto fail_cleanup;

	/* Attach it to the specified connector. */
	get_slave_funcs(encoder)->create_resources(encoder, connector);
	drm_mode_connector_attach_encoder(connector, encoder);

	return 0;

fail_cleanup:
	drm_encoder_cleanup(encoder);
	kfree(nv_encoder);
	return ret;
}
开发者ID:19Dan01，项目名称:linux，代码行数:50，代码来源:tvnv04.c



注：本文中的drm_encoder_helper_add函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ drm_encoder_init函数代码示例发布时间：2022-05-30
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C++ drm_connector_init函数代码示例发布时间：2022-05-30
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