* [email protected] (Mar 17, 2011 @ 07:51+0000): > On Wed, 16 Mar 2011 17:59:20 -0600, John Harrigan <[email protected]> > wrote: > > I have a Lenovo X201 laptop with an i7-620M processor. After I resume > > from a Suspend to RAM the graphics are very slow. Suspend to Disk does > > not cause the same problem and doing a Suspend to Disk after a Suspend > > to RAM fixes the problem. > > Known problem. The PAT lose the WC bits for the GTT aperture on resume. > There is a workaround that we can do: recreate the ioremapping upon > resume. (But the root cause is not a gfx driver bug.)
I've opened a bug against memory management for this. https://bugzilla.kernel.org/show_bug.cgi?id=31372 Chris, I tried to add you as a copy but I may not have done it correctly. Could you take a look to see if there's anything else that could be added? Thanks. _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
