drm/i915: Optimise VMA lookup slightly
authorTvrtko Ursulin <[email protected]>
Tue, 13 Dec 2016 14:37:27 +0000 (14:37 +0000)
committerTvrtko Ursulin <[email protected]>
Thu, 15 Dec 2016 13:31:26 +0000 (13:31 +0000)
commit2bf0d26706f899e124a2b340dc0529386bb2b235
tree825d46bd0cee90097a0ed29964ebc99c624aeedf
parent2ee7dc497e348eecbb82adbb1ea9e9a7e29fe921
drm/i915: Optimise VMA lookup slightly

Cast VM pointers before substraction to save the compiler
doing a smart one which includes multiplication.

v2: Only keep the first optimisation and prettify it. (Chris Wilson)

Signed-off-by: Tvrtko Ursulin <[email protected]>
Cc: Chris Wilson <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
drivers/gpu/drm/i915/i915_vma.h