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authorChris Wilson <chris@chris-wilson.co.uk>2010-11-23 12:09:30 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-11-23 15:42:56 +0000
commitfe669bf88e9108b96a847385df08c9b1e98c1420 (patch)
treebd8c391717f031ea9d763fe669beb9eaf929ca75 /drivers/char
parent0b0b053a3949f5c467c3b3ba135d4c161f9fbd00 (diff)
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drm/i915: Compute physical addresses from base of stolen memory
The GATT is a write-only set of registers, reading from them in the manner of i915_gtt_to_phys() is supposed to be undefined. However a simple solution exists as we allocate linear memory from the stolen area, we can simply add the block offset to the base register. As a side-effect we recover all the unused stolen GTT entries and so enlarge our aperture. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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