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| H A D | intel-gtt.c | diff e7b96f28 Fri Jul 09 14:48:50 MDT 2010 Tim Gardner <tim.gardner@canonical.com> agp/intel: Use the correct mask to detect i830 aperture size. BugLink: https://bugs.launchpad.net/bugs/597075 commit f1befe71fa7a79ab733011b045639d8d809924ad introduced a regression when detecting aperture size of some i915 adapters, e.g., those on the Intel Q35 chipset. The original report: https://bugzilla.kernel.org/show_bug.cgi?id=15733 The regression report: https://bugzilla.kernel.org/show_bug.cgi?id=16294 According to the specification found at http://intellinuxgraphics.org/VOL_1_graphics_core.pdf, the PCI config space register I830_GMCH_CTRL is a mirror of GMCH Graphics Control. The correct macro for isolating the aperture size bits is therefore I830_GMCH_GMS_MASK along with the attendant changes to the case statement. Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Tested-by: Kees Cook <kees.cook@canonical.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Eric Anholt <eric@anholt.net> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> |
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