Re: [PATCH] radeonfb: (#2) Implement proper workarounds for PLLaccesses
From: Benjamin Herrenschmidt
Date: Thu Apr 07 2005 - 17:54:26 EST
On Thu, 2005-04-07 at 22:21 +0200, Andreas Schwab wrote:
> Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> writes:
>
> > It is weird tho. Could you try adding a printk or something to figure
> > out how much this is called during a typical swich ?
>
> There are 1694 calls to radeon_pll_errata_after_data during a switch from
> X to the console and 393 calls the other way.
Wow ! That is plain wrong !
Can you cound how many times radeonfb_set_par is called and dump your
"counter" at the beginning and end of each of these calls ?
Ben.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/