From acae8df0e654f10e7233ce6fd85795e7467fbaf4 Mon Sep 17 00:00:00 2001
From: Cosmin Tanislav <demonsingur@gmail.com>
Date: Fri, 24 Sep 2021 19:40:14 +0300
Subject: [PATCH] techpack: display: expose requesting fod hbm for primary
 display

Change-Id: I4900293fe44df9edc09e7e1948f8a7de1c3d6197
---
 include/drm/dsi_display_fod.h          | 10 ++++++++++
 techpack/display/msm/dsi/dsi_display.c | 17 +++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 include/drm/dsi_display_fod.h

diff --git a/include/drm/dsi_display_fod.h b/include/drm/dsi_display_fod.h
new file mode 100644
index 000000000000..98e59311703d
--- /dev/null
+++ b/include/drm/dsi_display_fod.h
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/types.h>
+
+#ifndef DSI_DISPLAY_H
+#define DSI_DISPLAY_H
+
+void dsi_display_primary_request_fod_hbm(bool status);
+
+#endif // DSI_DISPLAY_H
diff --git a/techpack/display/msm/dsi/dsi_display.c b/techpack/display/msm/dsi/dsi_display.c
index 93f4ae534b93..faae8409be0e 100644
--- a/techpack/display/msm/dsi/dsi_display.c
+++ b/techpack/display/msm/dsi/dsi_display.c
@@ -10,6 +10,7 @@
 #include <linux/err.h>
 
 #include <drm/mi_disp_notifier.h>
+#include <drm/dsi_display_fod.h>
 
 #include "msm_drv.h"
 #include "sde_connector.h"
@@ -41,6 +42,9 @@
 #define SEC_PANEL_NAME_MAX_LEN  256
 
 u8 dbgfs_tx_cmd_buf[SZ_4K];
+
+struct dsi_display *primary_display;
+
 static char dsi_display_primary[MAX_CMDLINE_PARAM_LEN];
 static char dsi_display_secondary[MAX_CMDLINE_PARAM_LEN];
 static struct dsi_display_boot_param boot_displays[MAX_DSI_ACTIVE_DISPLAY] = {
@@ -6028,6 +6032,17 @@ static void dsi_display_firmware_display(const struct firmware *fw,
 	DSI_DEBUG("success\n");
 }
 
+static struct dsi_display *dsi_display_get_primary(void) {
+	return primary_display;
+}
+
+void dsi_display_primary_request_fod_hbm(bool status)
+{
+	struct dsi_display *display = dsi_display_get_primary();
+	dsi_panel_request_fod_hbm(display->panel, status);
+}
+EXPORT_SYMBOL(dsi_display_primary_request_fod_hbm);
+
 int dsi_display_dev_probe(struct platform_device *pdev)
 {
 	struct dsi_display *display = NULL;
@@ -6130,6 +6145,8 @@ int dsi_display_dev_probe(struct platform_device *pdev)
 			goto end;
 	}
 
+	primary_display = display;
+
 	return 0;
 end:
 	if (display)