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anv/allocator: Don't shrink either end of the block pool 

Previously, we only tried to ensure that we didn't shrink either end
below what was already handed out.  However, due to the way we handle
relocations with block pools, we can't shrink the back end at all.  It's
probably best to not shrink in either direction.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105374
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106147
Tested-by: Eero Tamminen <eero.t.tamminen@intel.com>
Reviewed-by: Scott D Phillips <scott.d.phillips@intel.com>
Cc: mesa-stable@lists.freedesktop.org
This commit is contained in:
Jason Ekstrand 2018-04-20 21:52:41 -07:00
parent 76ee9edcb4
commit 3db93f9128
1 changed files with 4 additions and 4 deletions
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8
src/intel/vulkan/anv_allocator.c
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@ -508,12 +508,12 @@ anv_block_pool_grow(struct anv_block_pool *pool, struct anv_block_state *state)
assert(center_bo_offset >= back_used);
/* Make sure we don't shrink the back end of the pool */
if (center_bo_offset < pool->back_state.end)
center_bo_offset = pool->back_state.end;
if (center_bo_offset < back_required)
center_bo_offset = back_required;
/* Make sure that we don't shrink the front end of the pool */
if (size - center_bo_offset < pool->state.end)
center_bo_offset = size - pool->state.end;
if (size - center_bo_offset < front_required)
center_bo_offset = size - front_required;
}
assert(center_bo_offset % PAGE_SIZE == 0);