[PATCH] radeon: Use mdelay() instead of msleep() in atom_op_delay().

[Michel Dänzer]

On Die, 2012-01-03 at 21:04 +0100, Daniel Vetter wrote: 
> On Tue, Jan 03, 2012 at 07:16:25PM +0100, Michel Dänzer wrote:
> > On Die, 2012-01-03 at 18:09 +0000, Dave Airlie wrote: 
> > > 2012/1/3 Michel Dänzer <michel at daenzer.net>:
> > > > From: Michel Dänzer <michel.daenzer at amd.com>
> > > >
> > > > It can be called from atomic context, e.g. when switching to console for panic
> > > > output.
> > > >
> > > > Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=43941
> > > 
> > > I wonder how ugly it would be to check for atomic context or not,
> > 
> > So do I. :) The comment in include/linux/hardirq.h that ends in 'Do not
> > use in_atomic() in driver code.' sounds rathery scary...
> 
> We already use in_atomic checks in similar delay code in drm/i915 for the
> same reasons. I think the ugly mess that results from the panic notifier
> calling into kms code is justification enough to neglect the the comment
> about not using in_atomic in drivers.

Okay, v2 sent.


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer