From 83d770cdbadc988745eb846b78bb5c2ca0754aed Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sun, 4 Jan 2026 22:16:52 -0600
Subject: [PATCH] Prefer BT2020_YCC to allow chroma subsampling

---
 app/streaming/video/ffmpeg-renderers/drm.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/app/streaming/video/ffmpeg-renderers/drm.cpp b/app/streaming/video/ffmpeg-renderers/drm.cpp
index f5ed9e75..92d3ae95 100644
--- a/app/streaming/video/ffmpeg-renderers/drm.cpp
+++ b/app/streaming/video/ffmpeg-renderers/drm.cpp
@@ -785,7 +785,18 @@ int DrmRenderer::getRendererAttributes()
 void DrmRenderer::setHdrMode(bool enabled)
 {
     if (auto prop = m_Connector.property("Colorspace")) {
-        m_PropSetter.set(*prop, enabled ? "BT2020_RGB" : "Default");
+        if (enabled) {
+            // Prefer BT2020_YCC to allow chroma subsampling
+            if (prop->containsValue("BT2020_YCC")) {
+                m_PropSetter.set(*prop, "BT2020_YCC");
+            }
+            else {
+                m_PropSetter.set(*prop, "BT2020_RGB");
+            }
+        }
+        else {
+            m_PropSetter.set(*prop, "Default");
+        }
     }
 
     if (auto prop = m_Connector.property("max bpc")) {