drm: Compute tight evictions for drm_mm_scan

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Compute the minimal required hole during scan and only evict those nodes
that overlap. This enables us to reduce the number of nodes we need to
evict to the bare minimum.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161222083641.2691-31-chris@chris-wilson.co.uk

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Chris Wilson 2016-12-22 08:36:33 +00:00 • committed by Daniel Vetter

parent 268c6498fb

commit 0b04d474a6

5 changed files with 71 additions and 26 deletions

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64

drivers/gpu/drm/drm_mm.c

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2

drivers/gpu/drm/etnaviv/etnaviv_mmu.c

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3

drivers/gpu/drm/i915/i915_gem_evict.c

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10

drivers/gpu/drm/selftests/test-drm_mm.c

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22

include/drm/drm_mm.h

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