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drm/ttm: never consider pinned BOs for eviction&swap

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There is a small window where we have already incremented the pin count
but not yet moved the bo from the lru to the pinned list.

Signed-off-by: Christian König <[email protected]>
Reported-by: Pelloux-Prayer, Pierre-Eric <[email protected]>
Tested-by: Pelloux-Prayer, Pierre-Eric <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
This commit is contained in:
Christian König
2023-07-10 13:59:49 +02:00
parent 15008052b3
commit a2848d0874
1 changed files with 6 additions and 0 deletions
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drivers/gpu/drm/ttm/ttm_bo.c
+6
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@@ -517,6 +517,12 @@ static bool ttm_bo_evict_swapout_allowable(struct ttm_buffer_object *bo,
{
bool ret = false;
if (bo->pin_count) {
*locked = false;
*busy = false;
return false;
}
if (bo->base.resv == ctx->resv) {
dma_resv_assert_held(bo->base.resv);
if (ctx->allow_res_evict)