[PATCH v3 2/3] x86: Add Intel graphics stolen memory quirk for gen2 platforms

From: Ville Syrjälä There isn't an explicit stolen memory base register on gen2. Some old comment in the i915 code suggests we should get it via max_low_pfn_mapped, but that's clearly a bad idea on my MGM. The e820 map in said machine looks like this: [0.00] BIOS-e820: [mem

[PATCH v3 2/3] x86: Add Intel graphics stolen memory quirk for gen2 platforms

From: Ville Syrjälä ville.syrj...@linux.intel.com There isn't an explicit stolen memory base register on gen2. Some old comment in the i915 code suggests we should get it via max_low_pfn_mapped, but that's clearly a bad idea on my MGM. The e820 map in said machine looks like this: [0.00]