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path: root/target/linux/bcm27xx/patches-5.4/950-0578-drm-vc4-hdmi-Remove-vc4_dev-hdmi-pointer.patch
blob: 24e4229c0ead3b40d0ff9cbe0b92bf0e8f47c0ed (plain)
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From 9e56da09cb8d8f65a26cfa0a957e295646ca47f8 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Mon, 6 Jan 2020 18:49:11 +0100
Subject: [PATCH] drm/vc4: hdmi: Remove vc4_dev hdmi pointer

Now that we don't have any users anymore, we can kill that pointer.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_drv.h  |  1 -
 drivers/gpu/drm/vc4/vc4_hdmi.c | 14 ++++++--------
 2 files changed, 6 insertions(+), 9 deletions(-)

--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -76,7 +76,6 @@ struct vc4_dev {
 	bool firmware_kms;
 	struct rpi_firmware *firmware;
 
-	struct vc4_hdmi *hdmi;
 	struct vc4_hvs *hvs;
 	struct vc4_v3d *v3d;
 	struct vc4_dpi *dpi;
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1200,7 +1200,6 @@ static int vc4_hdmi_bind(struct device *
 #endif
 	struct platform_device *pdev = to_platform_device(dev);
 	struct drm_device *drm = dev_get_drvdata(master);
-	struct vc4_dev *vc4 = drm->dev_private;
 	struct vc4_hdmi *vc4_hdmi;
 	struct drm_encoder *encoder;
 	struct device_node *ddc_node;
@@ -1288,8 +1287,6 @@ static int vc4_hdmi_bind(struct device *
 		vc4_hdmi->hpd_active_low = hpd_gpio_flags & OF_GPIO_ACTIVE_LOW;
 	}
 
-	vc4->hdmi = vc4_hdmi;
-
 	/* HDMI core must be enabled. */
 	if (!(HD_READ(VC4_HD_M_CTL) & VC4_HD_M_ENABLE)) {
 		HD_WRITE(VC4_HD_M_CTL, VC4_HD_M_SW_RST);
@@ -1370,9 +1367,12 @@ err_put_i2c:
 static void vc4_hdmi_unbind(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 *vc4_hdmi = vc4->hdmi;
+	/*
+	 * snd_soc_register_card will set the device drvdata pointer
+	 * to the card being registered.
+	 */
+	struct snd_soc_card *card = dev_get_drvdata(dev);
+	struct vc4_hdmi *vc4_hdmi = snd_soc_card_get_drvdata(card);
 
 	cec_unregister_adapter(vc4_hdmi->cec_adap);
 	vc4_hdmi_connector_destroy(&vc4_hdmi->connector.base);
@@ -1382,8 +1382,6 @@ static void vc4_hdmi_unbind(struct devic
 	pm_runtime_disable(dev);
 
 	put_device(&vc4_hdmi->ddc->dev);
-
-	vc4->hdmi = NULL;
 }
 
 static const struct component_ops vc4_hdmi_ops = {