On Sun, 23 Jan 2011 21:52:27 +0100, "Rafael J. Wysocki" <rjw@xxxxxxx> wrote: > On Sunday, January 23, 2011, Chris Wilson wrote: > > On Sun, 23 Jan 2011 18:23:34 +0100, Michael Karcher <kernel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > The opregion is a shared memory region between ACPI and the graphics > > > driver. As the ACPI mapping has been changed to cachable in commit > > > 6d5bbf00d251cc73223a71422d69e069dc2e0b8d, mapping the intel opregion > > > non-cachable now fails. As no bus-master hardware is involved in the > > > opregion, cachable map should do no harm. > > > > Satisfied myself that is indeed equivalent to use the newly introduced > > acpi_os_ioremap for this purpose and applied to -fixes. > > However, it might be better to use acpi_os_ioremap() in case we decide to > go back to ioremap() for some reason. For now, ioremap_cache() seems fine, > but ... Great minds think a like, but fools rarely differ... http://git.kernel.org/?p=linux/kernel/git/ickle/drm-intel.git;a=commit;h=94b3eb7a71fe62f19c91c39dd94c83786108d626 -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
