There is another device id for Intel B43 chip. Since there is already an id sets for B43 in intel-agp and i915. We tried to modify the kernel and xserver-xorg-video-intel and they work fine on 8086:2E90/2E92 chipsets. I believe this id sets is valid[1], and another patches has been sent to bug tracking system of freedesktop[2].
Since this is a blind try, please review the patches and if there is no more modification needed, please consider apply them.
[1] https://upgrades.intel.com/Public/PublicLandingPage.aspx [2] https://bugs.freedesktop.org/show_bug.cgi?id=30221
Ike Panhc (2): apg/intel: Support for another B43 device id drm/i915: Support for another B43 device id
drivers/char/agp/intel-agp.c | 7 +++++-- drivers/char/agp/intel-agp.h | 9 ++++++--- drivers/char/agp/intel-gtt.c | 3 ++- drivers/gpu/drm/i915/i915_drv.c | 1 + 4 files changed, 14 insertions(+), 6 deletions(-)