From 81b7b86314170373c5ea6bbba7ee5bbdcfd1c027 Mon Sep 17 00:00:00 2001
From: Chris <codewalker@hardkernel.com>
Date: Mon, 19 Feb 2024 14:36:28 +0900
Subject: [PATCH] ODROID-COMMON: osd: Enable forced RGB colorspace

Change-Id: Ibac9e15967c5bf0e218cb73afa23e44a6217cfcd
---
 drivers/amlogic/media/osd/osd_hw.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/amlogic/media/osd/osd_hw.c b/drivers/amlogic/media/osd/osd_hw.c
index ce1299939d10..9d0249ecd94c 100644
--- a/drivers/amlogic/media/osd/osd_hw.c
+++ b/drivers/amlogic/media/osd/osd_hw.c
@@ -5491,6 +5491,17 @@ static int afbc_pix_format(u32 fmt_mode)
 	return pix_format;
 }
 
+static char force_colorrange;
+static int __init osd_colorrange_setup(char *s)
+{
+	if (!(strcmp(s, "true")))
+		force_colorrange = 1;
+	else
+		force_colorrange = 0;
+
+	return 0;
+}
+__setup("fullcolorrange=", osd_colorrange_setup);
 
 static void osd_update_color_mode(u32 index)
 {
@@ -5629,11 +5640,17 @@ static void osd_update_color_mode(u32 index)
 			}
 		}
 		if (idx >= COLOR_INDEX_32_BGRX
-		    && idx <= COLOR_INDEX_32_XRGB)
+		    && idx <= COLOR_INDEX_32_XRGB) {
 			VSYNCOSD_WR_MPEG_REG_BITS(
 				osd_reg->osd_ctrl_stat2,
 				0x1ff, 6, 9);
-		else
+			if (force_colorrange)
+				VSYNCOSD_WR_MPEG_REG_BITS(
+					osd_reg->osd_ctrl_stat2, 1, 3, 1);
+			else
+				VSYNCOSD_WR_MPEG_REG_BITS(
+					osd_reg->osd_ctrl_stat2, 0, 3, 1);
+		} else
 			VSYNCOSD_WR_MPEG_REG_BITS(
 				osd_reg->osd_ctrl_stat2,
 				0, 6, 9);