[Bug 76564] [AMD Fusion E-350] HDMI refresh rates doesn't match expectations

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76564

--- Comment #16 from Alex Deucher <agd5f at yahoo.com> ---
(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.

-- 
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/ca53c35c/attachment.html>