On Sat, 28 Jan 2012 11:08:58 +0100, Jean Delvare <jdelvare@xxxxxxx> wrote: > The VESA specification suggests a 2.2 ms timeout on DDC channels. > Use exactly that (as the i915 driver does) instead of hard-coding a > jiffy count. The Vesa spec seems to say 2ms; at least according to the DDC/CI spec paragraph 6.6. usecs_to_jiffies rounds the value it gets up, so we should never get an interval less than 2ms if we pass 2000us to it. -- keith.packard@xxxxxxxxx
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