diff options
Diffstat (limited to 'src/radeon_mergedfb.c')
| -rw-r--r-- | src/radeon_mergedfb.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/radeon_mergedfb.c b/src/radeon_mergedfb.c index 313dda24..6f3288f0 100644 --- a/src/radeon_mergedfb.c +++ b/src/radeon_mergedfb.c @@ -212,6 +212,12 @@ RADEONCopyModeNLink(ScrnInfoPtr pScrn, DisplayModePtr dest, mode->VSyncEnd += dy; mode->VTotal += dy; + /* This is needed for not generating negative refesh rates in xrandr with the + faked DotClock below + */ + if (!(mode->VRefresh)) + mode->VRefresh = mode->Clock * 1000.0 / mode->HTotal / mode->VTotal; + /* Provide a sophisticated fake DotClock in order to trick the vidmode * extension to allow selecting among a number of modes whose merged result * looks identical but consists of different modes for CRT1 and CRT2 |