From fe3b48054db194b97728f89d3ab48263bd54b818 Mon Sep 17 00:00:00 2001
From: Markus Wenzl <markus.wenzl@outlook.de>
Date: Fri, 7 Oct 2022 20:01:48 +0200
Subject: [PATCH 1/2] Added DrmOutputOptions.VideMode property

---
 .../Avalonia.LinuxFramebuffer/DrmOutputOptions.cs     |  2 ++
 .../Avalonia.LinuxFramebuffer/Output/DrmOutput.cs     | 11 ++++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs b/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs
index e92ad02c7a..965d382238 100644
--- a/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs
+++ b/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs
@@ -23,5 +23,7 @@ namespace Avalonia.LinuxFramebuffer
         /// Default: R0 G0 B0 A0
         /// </summary>
         public Color InitialBufferSwappingColor { get; set; } = new Color(0, 0, 0, 0);
+
+        public PixelSize? VideoMode { get; set; }
     }
 }
diff --git a/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmOutput.cs b/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmOutput.cs
index ce210019c0..9bc9d8c7e6 100644
--- a/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmOutput.cs
+++ b/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmOutput.cs
@@ -51,7 +51,16 @@ namespace Avalonia.LinuxFramebuffer.Output
             if(connector == null)
                 throw new InvalidOperationException("Unable to find connected DRM connector");
 
-            var mode = connector.Modes.OrderByDescending(x => x.IsPreferred)
+            DrmModeInfo? mode = null;
+
+            if (options?.VideoMode != null)
+            {
+                mode = connector.Modes
+                    .FirstOrDefault(x => x.Resolution.Width == options.VideoMode.Value.Width &&
+                                         x.Resolution.Height == options.VideoMode.Value.Height);
+            }
+            
+            mode ??= connector.Modes.OrderByDescending(x => x.IsPreferred)
                 .ThenByDescending(x => x.Resolution.Width * x.Resolution.Height)
                 //.OrderByDescending(x => x.Resolution.Width * x.Resolution.Height)
                 .FirstOrDefault();

From fa754f21c8ef257d756b9254bbb4fc43a5d01389 Mon Sep 17 00:00:00 2001
From: Markus Wenzl <markus.wenzl@outlook.de>
Date: Fri, 7 Oct 2022 20:07:22 +0200
Subject: [PATCH 2/2] Added doc

---
 src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs b/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs
index 965d382238..ce843952e7 100644
--- a/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs
+++ b/src/Linux/Avalonia.LinuxFramebuffer/DrmOutputOptions.cs
@@ -24,6 +24,10 @@ namespace Avalonia.LinuxFramebuffer
         /// </summary>
         public Color InitialBufferSwappingColor { get; set; } = new Color(0, 0, 0, 0);
 
+        /// <summary>
+        /// specific the video mode with which the DrmOutput should be created, if it is not found it will fallback to the preferred mode.
+        /// If NULL preferred mode will be used.
+        /// </summary>
         public PixelSize? VideoMode { get; set; }
     }
 }