disp: msm: Install demura properties on connector

If DPU hardware supports demura feature, install the connector
properties related to demura feature.

Change-Id: Ieaddfc695e9f57e3c45e2bc0bd2c2e103f895ba8
Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org>

msm/dsi/dsi_ctrl.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
  */
 
 #ifndef _DSI_CTRL_H_
@@ -195,6 +195,7 @@ struct dsi_ctrl_interrupts {
  * @clk_cb:		 Callback for DSI clock control.
  * @irq_info:            Interrupt information.
  * @recovery_cb:         Recovery call back to SDE.
+ * @panel_id_cb:         Callback for reporting panel id.
  * @clk_info:            Clock information.
  * @clk_freq:            DSi Link clock frequency information.
  * @pwr_info:            Power information.
@@ -247,6 +248,7 @@ struct dsi_ctrl {
 
 	struct dsi_ctrl_interrupts irq_info;
 	struct dsi_event_cb_info recovery_cb;
+	struct dsi_event_cb_info panel_id_cb;
 
 	/* Clock and power states */
 	struct dsi_ctrl_clk_info clk_info;

msm/dsi/dsi_display.c

@@ -2044,6 +2044,12 @@ void dsi_display_enable_event(struct drm_connector *connector,
 							*event_info;
 		}
 		break;
+	case SDE_CONN_EVENT_PANEL_ID:
+		if (event_info)
+			display_for_each_ctrl(i, display)
+				display->ctrl[i].ctrl->panel_id_cb
+				    = *event_info;
+		break;
 	default:
 		/* nothing to do */
 		DSI_DEBUG("[%s] unhandled event %d\n", display->name, event_idx);
@@ -2151,6 +2157,7 @@ static void dsi_display_parse_cmdline_topology(struct dsi_display *display,
 	char *sw_te = NULL;
 	unsigned long cmdline_topology = NO_OVERRIDE;
 	unsigned long cmdline_timing = NO_OVERRIDE;
+	unsigned long panel_id = NO_OVERRIDE;
 
 	if (display_type >= MAX_DSI_ACTIVE_DISPLAY) {
 		DSI_ERR("display_type=%d not supported\n", display_type);
@@ -2166,6 +2173,17 @@ static void dsi_display_parse_cmdline_topology(struct dsi_display *display,
 	if (sw_te)
 		display->sw_te_using_wd = true;
 
+	str = strnstr(boot_str, ":panelid", strlen(boot_str));
+	if (str) {
+		if (kstrtol(str + strlen(":panelid"), INT_BASE_10,
+				(unsigned long *)&panel_id)) {
+			DSI_INFO("panel id not found: %s\n", boot_str);
+		} else {
+			DSI_INFO("panel id found: %lx\n", panel_id);
+			display->panel_id = panel_id;
+		}
+	}
+
 	str = strnstr(boot_str, ":config", strlen(boot_str));
 	if (!str)
 		goto end;
@@ -5193,6 +5211,8 @@ int dsi_display_dev_probe(struct platform_device *pdev)
 		rc =  -EINVAL;
 		goto end;
 	}
+	/* initialize panel id to UINT64_MAX */
+	display->panel_id = ~0x0;
 
 	display->display_type = of_get_property(pdev->dev.of_node,
 				"label", NULL);
@@ -7314,6 +7334,18 @@ int dsi_display_pre_commit(void *display,
 	return rc;
 }
 
+static void dsi_display_panel_id_notification(struct dsi_display *display)
+{
+	if (display->panel_id != ~0x0 &&
+		display->ctrl[0].ctrl->panel_id_cb.event_cb) {
+		display->ctrl[0].ctrl->panel_id_cb.event_cb(
+			display->ctrl[0].ctrl->panel_id_cb.event_usr_ptr,
+			display->ctrl[0].ctrl->panel_id_cb.event_idx,
+			0, ((display->panel_id & 0xffffffff00000000) >> 31),
+			(display->panel_id & 0xffffffff), 0, 0);
+	}
+}
+
 int dsi_display_enable(struct dsi_display *display)
 {
 	int rc = 0;
@@ -7346,6 +7378,8 @@ int dsi_display_enable(struct dsi_display *display)
 
 		display->panel->panel_initialized = true;
 		DSI_DEBUG("cont splash enabled, display enable not required\n");
+		dsi_display_panel_id_notification(display);
+
 		return 0;
 	}
 
@@ -7369,7 +7403,7 @@ int dsi_display_enable(struct dsi_display *display)
 			goto error;
 		}
 	}
-
+	dsi_display_panel_id_notification(display);
 	/* Block sending pps command if modeset is due to fps difference */
 	if ((mode->priv_info->dsc_enabled ||
 			mode->priv_info->vdc_enabled) &&

msm/dsi/dsi_display.h

@@ -275,6 +275,9 @@ struct dsi_display {
 	u32 clk_gating_config;
 	bool queue_cmd_waits;
 	struct workqueue_struct *dma_cmd_workq;
+
+	/* panel id of the display */
+	u64 panel_id;
 };
 
 int dsi_display_dev_probe(struct platform_device *pdev);

msm/msm_drv.h

@@ -184,6 +184,7 @@ enum msm_mdp_conn_property {
 	CONNECTOR_PROP_EXT_HDR_INFO,
 	CONNECTOR_PROP_PP_DITHER,
 	CONNECTOR_PROP_HDR_METADATA,
+	CONNECTOR_PROP_DEMURA_PANEL_ID,
 
 	/* # of blob properties */
 	CONNECTOR_PROP_BLOBCOUNT,

msm/sde/sde_connector.c

@@ -378,6 +378,37 @@ int sde_connector_state_get_mode_info(struct drm_connector_state *conn_state,
 	return 0;
 }
 
+static int sde_connector_handle_panel_id(uint32_t event_idx,
+			uint32_t instance_idx, void *usr,
+			uint32_t data0, uint32_t data1,
+			uint32_t data2, uint32_t data3)
+{
+	struct sde_connector *c_conn = usr;
+	int i;
+	u64 panel_id;
+	u8 arr[8], shift;
+	u64 mask = 0xff;
+
+	if (!c_conn)
+		return -EINVAL;
+
+	panel_id = (((u64)data0) << 31) | data1;
+	if (panel_id == ~0x0)
+		return 0;
+
+	for (i = 0; i < 8; i++) {
+		shift = 8 * i;
+		arr[7 - i] = (u8)((panel_id & (mask << shift)) >> shift);
+	}
+	/* update the panel id */
+	msm_property_set_blob(&c_conn->property_info,
+		  &c_conn->blob_panel_id, arr, sizeof(arr),
+		  CONNECTOR_PROP_DEMURA_PANEL_ID);
+	sde_connector_register_event(&c_conn->base,
+			SDE_CONN_EVENT_PANEL_ID, NULL, c_conn);
+	return 0;
+}
+
 static int sde_connector_handle_disp_recovery(uint32_t event_idx,
 			uint32_t instance_idx, void *usr,
 			uint32_t data0, uint32_t data1,
@@ -2397,6 +2428,7 @@ static int _sde_connector_install_properties(struct drm_device *dev,
 	struct dsi_display *dsi_display;
 	int rc;
 	struct drm_connector *connector;
+	u64 panel_id = ~0x0;
 
 	msm_property_install_blob(&c_conn->property_info, "capabilities",
 			DRM_MODE_PROP_IMMUTABLE, CONNECTOR_PROP_SDE_INFO);
@@ -2484,6 +2516,17 @@ static int _sde_connector_install_properties(struct drm_device *dev,
 				e_frame_trigger_mode,
 				ARRAY_SIZE(e_frame_trigger_mode),
 				CONNECTOR_PROP_CMD_FRAME_TRIGGER_MODE);
+
+		if (sde_kms->catalog->has_demura) {
+			msm_property_install_blob(&c_conn->property_info,
+				"DEMURA_PANEL_ID", DRM_MODE_PROP_IMMUTABLE,
+				CONNECTOR_PROP_DEMURA_PANEL_ID);
+			msm_property_set_blob(&c_conn->property_info,
+			      &c_conn->blob_panel_id,
+			      &panel_id,
+			      sizeof(panel_id),
+			      CONNECTOR_PROP_DEMURA_PANEL_ID);
+		}
 	}
 
 	msm_property_install_range(&c_conn->property_info, "bl_scale",
@@ -2652,6 +2695,15 @@ struct drm_connector *sde_connector_init(struct drm_device *dev,
 	if (rc)
 		goto error_cleanup_fence;
 
+	if (connector_type == DRM_MODE_CONNECTOR_DSI &&
+			sde_kms->catalog->has_demura) {
+		rc = sde_connector_register_event(&c_conn->base,
+			SDE_CONN_EVENT_PANEL_ID,
+			sde_connector_handle_panel_id, c_conn);
+		if (rc)
+			SDE_ERROR("register panel id event err %d\n", rc);
+	}
+
 	rc = msm_property_install_get_status(&c_conn->property_info);
 	if (rc) {
 		SDE_ERROR("failed to create one or more properties\n");

msm/sde/sde_connector.h

@@ -358,6 +358,7 @@ enum sde_connector_events {
 	SDE_CONN_EVENT_CMD_DONE, /* command mode frame done */
 	SDE_CONN_EVENT_VID_FIFO_OVERFLOW, /* dsi fifo overflow error */
 	SDE_CONN_EVENT_CMD_FIFO_UNDERFLOW, /* dsi fifo underflow error */
+	SDE_CONN_EVENT_PANEL_ID, /* returns read panel id from ddic  */
 	SDE_CONN_EVENT_COUNT,
 };
 
@@ -406,6 +407,7 @@ struct sde_connector_dyn_hdr_metadata {
  * @blob_ext_hdr: Pointer to blob structure for 'ext_hdr_properties' property
  * @blob_dither: Pointer to blob structure for default dither config
  * @blob_mode_info: Pointer to blob structure for mode info
+ * @blob_panel_id: Pointer to blob structure for blob_panel_id
  * @fb_kmap: true if kernel mapping of framebuffer is requested
  * @event_table: Array of registered events
  * @event_lock: Lock object for event_table
@@ -429,7 +431,7 @@ struct sde_connector_dyn_hdr_metadata {
  * @qsync_mode: Cached Qsync mode, 0=disabled, 1=continuous mode
  * @qsync_updated: Qsync settings were updated
  * @colorspace_updated: Colorspace property was updated
- * last_cmd_tx_sts: status of the last command transfer
+ * @last_cmd_tx_sts: status of the last command transfer
  * @hdr_capable: external hdr support present
  * @core_clk_rate: MDP core clk rate used for dynamic HDR packet calculation
  */
@@ -461,6 +463,7 @@ struct sde_connector {
 	struct drm_property_blob *blob_ext_hdr;
 	struct drm_property_blob *blob_dither;
 	struct drm_property_blob *blob_mode_info;
+	struct drm_property_blob *blob_panel_id;
 
 	bool fb_kmap;
 	struct sde_connector_evt event_table[SDE_CONN_EVENT_COUNT];

msm/sde/sde_hw_catalog.c

@@ -4684,6 +4684,7 @@ static int _sde_hardware_pre_caps(struct sde_mdss_cfg *sde_cfg, uint32_t hw_rev)
 		sde_cfg->has_sui_blendstage = true;
 		sde_cfg->vbif_disable_inner_outer_shareable = true;
 	} else if (IS_LAHAINA_TARGET(hw_rev)) {
+		sde_cfg->has_demura = true;
 		sde_cfg->has_cwb_support = true;
 		sde_cfg->has_wb_ubwc = true;
 		sde_cfg->has_qsync = true;

msm/sde/sde_hw_catalog.h

@@ -1480,6 +1480,7 @@ struct sde_mdss_cfg {
 	bool inline_disable_const_clr;
 	bool dither_luma_mode_support;
 	bool has_base_layer;
+	bool has_demura;
 
 	struct sde_sc_cfg sc_cfg;