forked from ~ljy/RK356X_SDK_RELEASE
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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
....@@ -275,8 +275,11 @@
275275 	struct rockchip_drm_sub_dev sub_dev;
276276 
277277 	struct gpio_desc *te_gpio;
278
-	bool user_split_mode;
279
-	struct drm_property *user_split_mode_prop;
278
+
279
+	/* split with other display interface */
280
+	bool dual_connector_split;
281
+	bool left_display;
282
+	u32 split_area;
280283 };
281284 
282285 static inline struct dw_mipi_dsi2 *host_to_dsi2(struct mipi_dsi_host *host)
....@@ -450,7 +453,8 @@
450453 		dw_mipi_dsi2_post_disable(dsi2->slave);
451454 }
452455 
453
-static void dw_mipi_dsi2_encoder_disable(struct drm_encoder *encoder)
456
+static void dw_mipi_dsi2_encoder_atomic_disable(struct drm_encoder *encoder,
457
+						struct drm_atomic_state *state)
454458 {
455459 	struct dw_mipi_dsi2 *dsi2 = encoder_to_dsi2(encoder);
456460 	struct drm_crtc *crtc = encoder->crtc;
....@@ -837,9 +841,53 @@
837841 		dw_mipi_dsi2_enable(dsi2->slave);
838842 }
839843 
840
-static void dw_mipi_dsi2_encoder_enable(struct drm_encoder *encoder)
844
+static int dw_mipi_dsi2_encoder_mode_set(struct dw_mipi_dsi2 *dsi2,
845
+					 struct drm_atomic_state *state)
846
+{
847
+	struct drm_encoder *encoder = &dsi2->encoder;
848
+	struct drm_connector *connector;
849
+	struct drm_connector_state *conn_state;
850
+	struct drm_crtc_state *crtc_state;
851
+	const struct drm_display_mode *adjusted_mode;
852
+	struct drm_display_mode *mode = &dsi2->mode;
853
+
854
+	connector = drm_atomic_get_new_connector_for_encoder(state, encoder);
855
+	if (!connector)
856
+		return -ENODEV;
857
+
858
+	conn_state = drm_atomic_get_new_connector_state(state, connector);
859
+	if (!conn_state)
860
+		return -ENODEV;
861
+
862
+	crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
863
+	if (!crtc_state) {
864
+		dev_err(dsi2->dev, "failed to get crtc state\n");
865
+		return -ENODEV;
866
+	}
867
+
868
+	adjusted_mode = &crtc_state->adjusted_mode;
869
+	drm_mode_copy(mode, adjusted_mode);
870
+
871
+	if (dsi2->dual_connector_split)
872
+		drm_mode_convert_to_origin_mode(mode);
873
+
874
+	if (dsi2->slave)
875
+		drm_mode_copy(&dsi2->slave->mode, mode);
876
+
877
+	return 0;
878
+}
879
+
880
+static void dw_mipi_dsi2_encoder_atomic_enable(struct drm_encoder *encoder,
881
+					       struct drm_atomic_state *state)
841882 {
842883 	struct dw_mipi_dsi2 *dsi2 = encoder_to_dsi2(encoder);
884
+	int ret;
885
+
886
+	ret = dw_mipi_dsi2_encoder_mode_set(dsi2, state);
887
+	if (ret) {
888
+		dev_err(dsi2->dev, "failed to set dsi2 mode\n");
889
+		return;
890
+	}
843891 
844892 	dw_mipi_dsi2_get_lane_rate(dsi2);
845893 
....@@ -867,8 +915,8 @@
867915 
868916 static int
869917 dw_mipi_dsi2_encoder_atomic_check(struct drm_encoder *encoder,
870
-				 struct drm_crtc_state *crtc_state,
871
-				 struct drm_connector_state *conn_state)
918
+				  struct drm_crtc_state *crtc_state,
919
+				  struct drm_connector_state *conn_state)
872920 {
873921 
874922 	struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
....@@ -917,6 +965,15 @@
917965 		s->output_if |= VOP_OUTPUT_IF_MIPI1;
918966 	}
919967 
968
+	if (dsi2->dual_connector_split) {
969
+		s->output_flags |= ROCKCHIP_OUTPUT_DUAL_CONNECTOR_SPLIT_MODE;
970
+
971
+		if (dsi2->left_display)
972
+			s->output_if_left_panel |= dsi2->id ?
973
+						   VOP_OUTPUT_IF_MIPI1 :
974
+						   VOP_OUTPUT_IF_MIPI0;
975
+	}
976
+
920977 	if (dsi2->dsc_enable) {
921978 		s->dsc_enable = 1;
922979 		s->dsc_sink_cap.version_major = dsi2->version_major;
....@@ -931,18 +988,6 @@
931988 	}
932989 
933990 	return 0;
934
-}
935
-
936
-static void
937
-dw_mipi_dsi2_encoder_atomic_mode_set(struct drm_encoder *encoder,
938
-				    struct drm_crtc_state *crtc_state,
939
-				    struct drm_connector_state *connector_state)
940
-{
941
-	struct dw_mipi_dsi2 *dsi2 = encoder_to_dsi2(encoder);
942
-
943
-	drm_mode_copy(&dsi2->mode, &crtc_state->adjusted_mode);
944
-	if (dsi2->slave)
945
-		drm_mode_copy(&dsi2->slave->mode, &crtc_state->adjusted_mode);
946991 }
947992 
948993 static void dw_mipi_dsi2_loader_protect(struct dw_mipi_dsi2 *dsi2, bool on)
....@@ -980,10 +1025,9 @@
9801025 
9811026 static const struct drm_encoder_helper_funcs
9821027 dw_mipi_dsi2_encoder_helper_funcs = {
983
-	.enable = dw_mipi_dsi2_encoder_enable,
984
-	.disable = dw_mipi_dsi2_encoder_disable,
1028
+	.atomic_enable = dw_mipi_dsi2_encoder_atomic_enable,
1029
+	.atomic_disable = dw_mipi_dsi2_encoder_atomic_disable,
9851030 	.atomic_check = dw_mipi_dsi2_encoder_atomic_check,
986
-	.atomic_mode_set = dw_mipi_dsi2_encoder_atomic_mode_set,
9871031 };
9881032 
9891033 static int dw_mipi_dsi2_connector_get_modes(struct drm_connector *connector)
....@@ -1065,6 +1109,32 @@
10651109 	drm_connector_cleanup(connector);
10661110 }
10671111 
1112
+static int
1113
+dw_mipi_dsi2_atomic_connector_get_property(struct drm_connector *connector,
1114
+					   const struct drm_connector_state *state,
1115
+					   struct drm_property *property,
1116
+					   uint64_t *val)
1117
+{
1118
+	struct rockchip_drm_private *private = connector->dev->dev_private;
1119
+	struct dw_mipi_dsi2 *dsi2 = con_to_dsi2(connector);
1120
+
1121
+	if (property == private->split_area_prop) {
1122
+		switch (dsi2->split_area) {
1123
+		case 1:
1124
+			*val = ROCKCHIP_DRM_SPLIT_LEFT_SIDE;
1125
+			break;
1126
+		case 2:
1127
+			*val = ROCKCHIP_DRM_SPLIT_RIGHT_SIDE;
1128
+			break;
1129
+		default:
1130
+			*val = ROCKCHIP_DRM_SPLIT_UNSET;
1131
+			break;
1132
+		}
1133
+	}
1134
+
1135
+	return 0;
1136
+}
1137
+
10681138 static const struct drm_connector_funcs dw_mipi_dsi2_atomic_connector_funcs = {
10691139 	.fill_modes = drm_helper_probe_single_connector_modes,
10701140 	.detect = dw_mipi_dsi2_connector_detect,
....@@ -1072,6 +1142,7 @@
10721142 	.reset = drm_atomic_helper_connector_reset,
10731143 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
10741144 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
1145
+	.atomic_get_property = dw_mipi_dsi2_atomic_connector_get_property,
10751146 };
10761147 
10771148 static int dw_mipi_dsi2_dual_channel_probe(struct dw_mipi_dsi2 *dsi2)
....@@ -1143,6 +1214,9 @@
11431214 		dsi2->slave->dsc_enable = dsi2->dsc_enable;
11441215 	}
11451216 
1217
+	if (!dsi2->dsc_enable)
1218
+		return 0;
1219
+
11461220 	of_property_read_u32(np, "slice-width", &dsi2->slice_width);
11471221 	of_property_read_u32(np, "slice-height", &dsi2->slice_height);
11481222 	of_property_read_u8(np, "version-major", &dsi2->version_major);
....@@ -1178,7 +1252,20 @@
11781252 		len -= header->payload_length;
11791253 	}
11801254 
1255
+	if (!pps) {
1256
+		dev_err(dsi2->dev, "not found dsc pps definition\n");
1257
+		return -EINVAL;
1258
+	}
1259
+
11811260 	dsi2->pps = pps;
1261
+
1262
+	if (dsi2->slave) {
1263
+		u16 pic_width = be16_to_cpu(pps->pic_width) / 2;
1264
+
1265
+		dsi2->pps->pic_width = cpu_to_be16(pic_width);
1266
+		dev_info(dsi2->dev, "dsc pic_width change from %d to %d\n",
1267
+			 pic_width * 2, pic_width);
1268
+	}
11821269 
11831270 	return 0;
11841271 }
....@@ -1218,22 +1305,15 @@
12181305 static int dw_mipi_dsi2_register_sub_dev(struct dw_mipi_dsi2 *dsi2,
12191306 					 struct drm_connector *connector)
12201307 {
1308
+	struct rockchip_drm_private *private;
12211309 	struct device *dev = dsi2->dev;
1222
-	struct drm_property *prop;
1223
-	int ret;
12241310 
1225
-	prop = drm_property_create_bool(dsi2->drm_dev, DRM_MODE_PROP_IMMUTABLE,
1226
-					"USER_SPLIT_MODE");
1227
-	if (!prop) {
1228
-		ret = -EINVAL;
1229
-		DRM_DEV_ERROR(dev, "create user split mode prop failed\n");
1230
-		goto connector_cleanup;
1231
-	}
1311
+	private = connector->dev->dev_private;
12321312 
1233
-	dsi2->user_split_mode_prop = prop;
1234
-	drm_object_attach_property(&connector->base,
1235
-				   dsi2->user_split_mode_prop,
1236
-				   dsi2->user_split_mode ? 1 : 0);
1313
+	if (dsi2->split_area)
1314
+		drm_object_attach_property(&connector->base,
1315
+					   private->split_area_prop,
1316
+					   dsi2->split_area);
12371317 
12381318 	dsi2->sub_dev.connector = connector;
12391319 	dsi2->sub_dev.of_node = dev->of_node;
....@@ -1241,11 +1321,6 @@
12411321 	rockchip_drm_register_sub_dev(&dsi2->sub_dev);
12421322 
12431323 	return 0;
1244
-
1245
-connector_cleanup:
1246
-	connector->funcs->destroy(connector);
1247
-
1248
-	return ret;
12491324 }
12501325 
12511326 static int dw_mipi_dsi2_bind(struct device *dev, struct device *master,
....@@ -1563,7 +1638,16 @@
15631638 	dsi2->id = id;
15641639 	dsi2->pdata = of_device_get_match_data(dev);
15651640 	platform_set_drvdata(pdev, dsi2);
1566
-	dsi2->user_split_mode = device_property_read_bool(dev, "user-split-mode");
1641
+
1642
+	if (device_property_read_bool(dev, "dual-connector-split")) {
1643
+		dsi2->dual_connector_split = true;
1644
+
1645
+		if (device_property_read_bool(dev, "left-display"))
1646
+			dsi2->left_display = true;
1647
+	}
1648
+
1649
+	if (device_property_read_u32(dev, "split-area", &dsi2->split_area))
1650
+		dsi2->split_area = 0;
15671651 
15681652 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
15691653 	regs = devm_ioremap_resource(dev, res);