Fixes for GPU hangs and other bugs around hangcheck and result; Fix for regression on suspend case with vgaswitcheroo; Fixes for eDP and HDMI blank screens Fix for protecting WC allocation to avoid overflow on page vec; Cleanup around unpublished GLK firmware blobs, and other small fixes. This also contains GVT pull request mostly with regression fixes on vGPU display dmabuf, mmio switch and other misc changes.