Fixed fbdev

src/Avalonia.Controls/Embedding/EmbeddableControlRoot.cs

@@ -45,7 +45,10 @@ namespace Avalonia.Controls.Embedding
         {
             if (EnforceClientSize)
                 availableSize = PlatformImpl?.ClientSize ?? default(Size);
-            return base.MeasureOverride(availableSize);
+            var rv = base.MeasureOverride(availableSize);
+            if (EnforceClientSize)
+                return availableSize;
+            return rv;
         }
 
         private readonly NameScope _nameScope = new NameScope();

src/Linux/Avalonia.LinuxFramebuffer/LinuxFramebuffer.cs

@@ -43,12 +43,10 @@ namespace Avalonia.LinuxFramebuffer
 
                 SetBpp();
 
-                _varInfo.yoffset = 100;
                 if (-1 == NativeUnsafeMethods.ioctl(_fd, FbIoCtl.FBIOPUT_VSCREENINFO, pnfo))
                     _varInfo.transp = new fb_bitfield();
 
-                if (-1 == NativeUnsafeMethods.ioctl(_fd, FbIoCtl.FBIOPUT_VSCREENINFO, pnfo))
-                    throw new Exception("FBIOPUT_VSCREENINFO error: " + Marshal.GetLastWin32Error());
+                NativeUnsafeMethods.ioctl(_fd, FbIoCtl.FBIOPUT_VSCREENINFO, pnfo);
 
                 if (-1 == NativeUnsafeMethods.ioctl(_fd, FbIoCtl.FBIOGET_VSCREENINFO, pnfo))
                     throw new Exception("FBIOGET_VSCREENINFO error: " + Marshal.GetLastWin32Error());