* Imported Andy Ritger's GTF code in compute_display_timing.cpp, and mangled it

into a usable function - this has some coding style issues I did not care to
  fix.
* _AddBaseMode() now computes the mode in case it is not present in the list
  yet.
* This should help with bug #7787.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42420 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/graphics/common/compute_display_timing.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2011, Axel Dörfler, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _COMPUTE_DISPLAY_TIMING_H
+#define _COMPUTE_DISPLAY_TIMING_H
+
+
+#include <Accelerant.h>
+#include <GraphicsDefs.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+status_t compute_display_timing(uint32 width, uint32 height, float refresh,
+	bool interlaced, display_timing* timing);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif	/* _COMPUTE_DISPLAY_TIMING_H */

headers/private/graphics/common/create_display_modes.h

@@ -23,6 +23,8 @@ area_id create_display_modes(const char* name, edid1_info* edid,
 	const color_space* spaces, uint32 spacesCount,
 	check_display_mode_hook hook, display_mode** _modes, uint32* _count);
 
+void fill_display_mode(display_mode* mode);
+
 #ifdef __cplusplus
 }
 #endif