Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

On Tue, 9 Aug 2005, Bodo Eggert wrote:

On Mon, 8 Aug 2005, Benjamin Herrenschmidt wrote:

quoted

On Mon, 2005-08-08 at 02:06 +0200, Bodo Eggert wrote:

quoted

quoted

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?

radeon_write_mode() programs the mode. The monitor timing infos are read
by the various bits of code in radeon_monitor.c

I'd be curious if you could identify what bit of code is misbehaving

I added preempt_*able around radeon_probe_i2c_connector, and now I get the 
output from below and still no sync. Obviously you shouldn't msleep in 
preempt-disabled code. I'll try voluntary preemption, but that will at 
best hide the error.

Update: voluntary preemption does not cause bad readings.
-- 
Who is General Failure and why is he reading my disk? 


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