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drm/ttm: always keep BOs on the LRU

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This allows blocking for BOs to become available
in the memory management.

Amdgpu is doing this for quite a while now during CS. Now
apply the new behavior to all drivers using TTM.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/332878/
This commit is contained in:
Christian König
2019-09-19 12:56:15 +02:00
parent 7fb03cc3e0
commit 9165fb879f
15 changed files with 33 additions and 118 deletions
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2
drivers/gpu/drm/radeon/radeon_object.c
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@@ -542,7 +542,7 @@ int radeon_bo_list_validate(struct radeon_device *rdev,
u64 bytes_moved_threshold = radeon_bo_get_threshold_for_moves(rdev);
INIT_LIST_HEAD(&duplicates);
r = ttm_eu_reserve_buffers(ticket, head, true, &duplicates, true);
r = ttm_eu_reserve_buffers(ticket, head, true, &duplicates);
if (unlikely(r != 0)) {
return r;
}