https://bugs.freedesktop.org/show_bug.cgi?id=76564
--- Comment #20 from jeroen <jeroenk61 at hotmail.com> --- (In reply to comment #19) > (In reply to comment #16) > > (In reply to comment #15) > > > I got the results with fglrx: > > > PPLL1 at 50Hz: fb=23.7 ref=2 post=6 > > > PPLL1 at 23.976Hz: fb=23.7 ref=2 post=12 > > > > > > PPLL2 does seem to be used as it does not change. PPLL1 has different > > > values > > > than with the radeon OSS driver. What does this mean? > > > > > > (100Mhz * 23.7) / (2 * 6) = 197.5Mhz > > > > (100Mhz * 23.7) / (2 * 12) = 98.75Mhz > > > > Maybe fglrx is using different modelines with a different display clock? > > Can you print what modes are being used with fglrx and radeon? E.g., xrandr > > --verbose. > > I attached both xrandr outputs. > > I also noticed that for fgrlx the PLL values are the same for 50Hz,60Hz and > 59.94Hz output. When I look at the xrandr output I wonder if the reference frequency is not 75MHz for fgrlx? Can the reference even change is this not fixed by the hardware? -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20140327/5bee1dd9/attachment.html>
