drm/i915: Trim partial view sg lists

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Partial views are small but there can be many of them, and since the sg
list space for them is allocated pessimistically, we can save some slab by
trimming the unused tail entries.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926080353.20867-1-tvrtko.ursulin@linux.intel.com

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Tvrtko Ursulin 2018-09-26 09:03:53 +01:00

parent dee4a0f8e7

commit f8e57863f8

3 changed files with 5 additions and 1 deletions

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2

drivers/gpu/drm/i915/i915_drv.h

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2

drivers/gpu/drm/i915/i915_gem.c

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2

drivers/gpu/drm/i915/i915_gem_gtt.c

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