On 05/02/2012 04:33 PM, Daniel Vetter wrote: > While trying to fix up gen4 gpu reset in > > commit f49f0586191fe16140410db0a46d43bdc690d6af > Author: Kenneth Graunke<kenneth at whitecape.org> > Date: Sat Sep 11 01:19:14 2010 -0700 > > drm/i915: Actually set the reset bit in i965_reset > > a little confusion about when wait_for times out has been introduced - > wait for loops _until_ the condition is true. > > This fixes gpu reset on my gm45, testing with my hangman code shows > that it's now fairly reliable - it only died after well over 100 reset > cycles. > > Cc: Kenneth Graunke<kenneth at whitecape.org> > Cc: Eric Anholt<eric at anholt.net> > Signed-Off-by: Daniel Vetter<daniel.vetter at ffwll.ch> I haven't tested it on a real machine to verify if it actually does the reset, but this change does explains why it could not work before :). Reviewed-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
