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-rw-r--r--src/radeon_mergedfb.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/radeon_mergedfb.c b/src/radeon_mergedfb.c
index fa143cb2..abbc1606 100644
--- a/src/radeon_mergedfb.c
+++ b/src/radeon_mergedfb.c
@@ -215,8 +215,13 @@ RADEONCopyModeNLink(ScrnInfoPtr pScrn, DisplayModePtr dest,
* extension to allow selecting among a number of modes whose merged result
* looks identical but consists of different modes for CRT1 and CRT2
*/
- mode->VRefresh = (float)((i->Clock * 1000.0 / i->HTotal / i->VTotal) * 100 +
- (j->Clock * 1000.0 / j->HTotal / j->VTotal));
+ {
+ float ref1, ref2;
+ ref1 = ((float)i->Clock * 100.0 / i->HTotal / i->VTotal) * 50.0;
+ ref2 = ((float)j->Clock * 100.0 / j->HTotal / j->VTotal) / 2.0;
+
+ mode->VRefresh = (float) ref1 + ref2;
+ }
mode->Clock = (int)(mode->VRefresh * 0.001 * mode->HTotal * mode->VTotal);