Commits
Zhenyu Wang committed 3bad0781832
drm/i915: Probe for PCH chipset type PCH is the new name for south bridge from Ironlake/Sandybridge, which contains most of the display outputs except eDP. This one adds a probe function to detect current PCH type, and method to detect Cougarpoint PCH. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>