forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
....@@ -422,14 +422,18 @@
422422 
423423 	if (hdmi->bridge.dev) {
424424 		bool change;
425
+		void *data = hdmi->plat_data->phy_data;
425426 
426427 		change = drm_helper_hpd_irq_event(hdmi->bridge.dev);
427428 
428
-		if (change && hdmi->cec_adap &&
429
-		    hdmi->cec_adap->devnode.registered)
430
-			cec_queue_pin_hpd_event(hdmi->cec_adap,
431
-						hdmi->hpd_state,
432
-						ktime_get());
429
+		if (change) {
430
+			if (hdmi->plat_data->set_ddc_io)
431
+				hdmi->plat_data->set_ddc_io(data, hdmi->hpd_state);
432
+			if (hdmi->cec_adap->devnode.registered)
433
+				cec_queue_pin_hpd_event(hdmi->cec_adap,
434
+							hdmi->hpd_state,
435
+							ktime_get());
436
+		}
433437 		drm_bridge_hpd_notify(&hdmi->bridge, status);
434438 	}
435439 }
....@@ -535,10 +539,12 @@
535539 	hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE,
536540 		    HDMI_IH_MUTE_I2CM_STAT0);
537541 
538
-	/* set SDA high level holding time */
539
-	hdmi_writeb(hdmi, 0x48, HDMI_I2CM_SDA_HOLD);
540
-
541
-	dw_hdmi_i2c_set_divs(hdmi);
542
+	/* Only configure when we use the internal I2C controller */
543
+	if (hdmi->i2c) {
544
+		/* set SDA high level holding time */
545
+		hdmi_writeb(hdmi, 0x48, HDMI_I2CM_SDA_HOLD);
546
+		dw_hdmi_i2c_set_divs(hdmi);
547
+	}
542548 }
543549 
544550 static bool dw_hdmi_i2c_unwedge(struct dw_hdmi *hdmi)
....@@ -643,11 +649,7 @@
643649 
644650 		while (retry > 0) {
645651 			if (!(hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD)) {
646
-				void *data = hdmi->plat_data->phy_data;
647
-
648652 				dev_dbg(hdmi->dev, "hdmi disconnect, stop ddc read\n");
649
-				if (hdmi->plat_data->set_ddc_io)
650
-					hdmi->plat_data->set_ddc_io(data, false);
651653 				return -EPERM;
652654 			}
653655 
....@@ -726,11 +728,7 @@
726728 
727729 		while (retry > 0) {
728730 			if (!(hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD)) {
729
-				void *data = hdmi->plat_data->phy_data;
730
-
731731 				dev_dbg(hdmi->dev, "hdmi disconnect, stop ddc write\n");
732
-				if (hdmi->plat_data->set_ddc_io)
733
-					hdmi->plat_data->set_ddc_io(data, false);
734732 				return -EPERM;
735733 			}
736734 
....@@ -775,7 +773,6 @@
775773 	struct dw_hdmi *hdmi = i2c_get_adapdata(adap);
776774 	struct dw_hdmi_i2c *i2c = hdmi->i2c;
777775 	u8 addr = msgs[0].addr;
778
-	void *data = hdmi->plat_data->phy_data;
779776 	int i, ret = 0;
780777 
781778 	if (addr == DDC_CI_ADDR)
....@@ -799,9 +796,6 @@
799796 	}
800797 
801798 	mutex_lock(&i2c->lock);
802
-
803
-	if (hdmi->plat_data->set_ddc_io)
804
-		hdmi->plat_data->set_ddc_io(data, true);
805799 
806800 	hdmi_writeb(hdmi, 0, HDMI_I2CM_SOFTRSTZ);
807801 	udelay(100);
....@@ -2328,7 +2322,7 @@
23282322 
23292323 	/* Dynamic Range and Mastering Infoframe is introduced in v2.11a. */
23302324 	if (hdmi->version < 0x211a) {
2331
-		DRM_ERROR("Not support DRM Infoframe\n");
2325
+		dev_dbg(hdmi->dev, "Not support DRM Infoframe\n");
23322326 		return;
23332327 	}
23342328 
....@@ -2425,9 +2419,6 @@
24252419 
24262420 	vmode->previous_pixelclock = vmode->mpixelclock;
24272421 	vmode->mpixelclock = mode->crtc_clock * 1000;
2428
-	if ((mode->flags & DRM_MODE_FLAG_3D_MASK) ==
2429
-		DRM_MODE_FLAG_3D_FRAME_PACKING)
2430
-		vmode->mpixelclock *= 2;
24312422 	dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock);
24322423 
24332424 	vmode->previous_tmdsclock = vmode->mtmdsclock;
....@@ -3093,7 +3084,6 @@
30933084 	int i,  ret = 0;
30943085 
30953086 	memset(metedata, 0, sizeof(*metedata));
3096
-#if 0
30973087 	edid = dw_hdmi_get_edid(hdmi, connector);
30983088 	if (edid) {
30993089 		int vic = 0;
....@@ -3121,7 +3111,6 @@
31213111 
31223112 		kfree(edid);
31233113 	} else {
3124
-#endif
31253114 		hdmi->support_hdmi = true;
31263115 		hdmi->sink_has_audio = true;
31273116 		for (i = 0; i < ARRAY_SIZE(dw_hdmi_default_modes); i++) {
....@@ -3141,7 +3130,7 @@
31413130 		info->color_formats = 0;
31423131 
31433132 		dev_info(hdmi->dev, "failed to get edid\n");
3144
-//	}
3133
+	}
31453134 	dw_hdmi_update_hdr_property(connector);
31463135 	dw_hdmi_check_output_type_changed(hdmi);
31473136 
....@@ -3995,7 +3984,6 @@
39953984 					  struct drm_bridge_state *old_state)
39963985 {
39973986 	struct dw_hdmi *hdmi = bridge->driver_private;
3998
-	void *data = hdmi->plat_data->phy_data;
39993987 
40003988 	mutex_lock(&hdmi->mutex);
40013989 	hdmi->disabled = true;
....@@ -4006,11 +3994,6 @@
40063994 	if (hdmi->plat_data->dclk_set)
40073995 		hdmi->plat_data->dclk_set(hdmi->plat_data->phy_data, false, 0);
40083996 	mutex_unlock(&hdmi->mutex);
4009
-
4010
-	mutex_lock(&hdmi->i2c->lock);
4011
-	if (hdmi->plat_data->set_ddc_io)
4012
-		hdmi->plat_data->set_ddc_io(data, false);
4013
-	mutex_unlock(&hdmi->i2c->lock);
40143997 }
40153998 
40163999 static void dw_hdmi_bridge_atomic_enable(struct drm_bridge *bridge,
....@@ -4340,8 +4323,7 @@
43404323 	 * Even if we are using a separate i2c adapter doing this doesn't
43414324 	 * hurt.
43424325 	 */
4343
-	if (hdmi->i2c)
4344
-		dw_hdmi_i2c_init(hdmi);
4326
+	dw_hdmi_i2c_init(hdmi);
43454327 
43464328 	if (hdmi->phy.ops->setup_hpd)
43474329 		hdmi->phy.ops->setup_hpd(hdmi, hdmi->phy.data);
....@@ -5010,6 +4992,7 @@
50104992 		audio.get_eld	= hdmi_audio_get_eld;
50114993 		audio.write	= hdmi_writeb;
50124994 		audio.read	= hdmi_readb;
4995
+		audio.mod	= hdmi_modb;
50134996 		hdmi->enable_audio = dw_hdmi_i2s_audio_enable;
50144997 		hdmi->disable_audio = dw_hdmi_i2s_audio_disable;
50154998 
....@@ -5229,8 +5212,7 @@
52295212 	pinctrl_pm_select_default_state(hdmi->dev);
52305213 	mutex_lock(&hdmi->mutex);
52315214 	dw_hdmi_reg_initial(hdmi);
5232
-	if (hdmi->i2c)
5233
-		dw_hdmi_i2c_init(hdmi);
5215
+	dw_hdmi_i2c_init(hdmi);
52345216 	if (hdmi->irq)
52355217 		enable_irq(hdmi->irq);
52365218 	/*