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drm/i915/gtt: Compute the radix for gen8 page table levels
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 12 Jul 2019 09:43:25 +0000 (10:43 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Fri, 12 Jul 2019 11:22:33 +0000 (12:22 +0100)
commit48fbf1aa43e765a7548e2d483b68ece50431a4c1
tree9b73f6a7d871f5f866b3d8ea2342bbff10d450b1tree | snapshot
parent1c57b7df145a0734435f67037081ce31815fd155commit | diff
drm/i915/gtt: Compute the radix for gen8 page table levels

The radix levels of each page directory are easily determined so replace
the numerous hardcoded constants with precomputed derived constants.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712094327.24437-4-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_gem_gtt.c diff | blob | history
drivers/gpu/drm/i915/i915_gem_gtt.h diff | blob | history
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