Messages in this thread | | | Date | Mon, 8 Aug 2005 02:06:52 +0200 (CEST) | From | Bodo Eggert <> | Subject | Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5 |
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On Sun, 7 Aug 2005, Benjamin Herrenschmidt wrote: > On Sun, 2005-08-07 at 19:25 +0200, Bodo Eggert wrote: > > On Sun, 7 Aug 2005, Kyle Moffett wrote: > > > On Aug 7, 2005, at 03:51:07, Benjamin Herrenschmidt wrote:
> > > > Ah ! Interesting... I don't see why PREEMPT would affect radeonfb > > > > though ... Can you try something like wrapper radeon_write_mode() with > > > > preempt_disable()/preempt_enable() and tell me if it makes a > > > > difference ? > > > > Did not help. The values used to initialize the mode seem to be wrong. > > Copying the aty directory from 2.6.12 did not help, too. > > I don't see how PREEMPT could have any impact there unless you are > experiencing memory corruption... or one of those panels that have so > subtle timing issues that they sometimes don't sync depending on how > many flies you have in your room....
The wrong values are constant across reboots (see my first mail), and I have a CRT.
Can you tell me where the timing values are read? -- E.G.G.E.R.T.: Electronic Guardian Generated for Efficient Repair and Troubleshooting -- http://www.brunching.com/toys/toy-cyborger.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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