From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 24462] r600: spread spectrum: flickering screen (bisected)
Date: Wed, 8 Dec 2010 20:27:12 GMT
Message-ID: <201012082027.oB8KRCxF031777@demeter2.kernel.org>
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https://bugzilla.kernel.org/show_bug.cgi?id=24462
--- Comment #2 from Luca Tettamanti 2010-12-08 20:27:11 ---
(In reply to comment #1)
> Created an attachment (id=39252)
--> (https://bugzilla.kernel.org/attachment.cgi?id=39252) [details]
> possible fix
>
> Does this patch help?
No, flickering it's still there. The parameters passed to
EnableSpreadSpectrumOnPPLL with 2.6.36 and 2.6.37-rc5 are:
ss->percentage = 0x1e
ss->type = 0x1
ss->step = 0x1
ss->delay = 0x2a
ss->range = 0x2
pll_id = 0x0
but 2.6.36 uses ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION, while the newer
kernel uses ENABLE_LVDS_SS_PARAMETERS_V2 for the parameters (the only
difference is that the latter does not have ucPpll); is this correct?
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