diff options
| author | Christian König <christian.koenig@amd.com> | 2023-07-07 11:25:00 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2023-07-10 13:59:49 +0200 |
| commit | a2848d08742c8e8494675892c02c0d22acbe3cf8 (patch) | |
| tree | 6f82649b75363369d7f196f8644006523d2d0c84 /drivers/gpu/drm/ttm | |
| parent | 15008052b34efaa86c1d56190ac73c4bf8c462f9 (diff) | |
drm/ttm: never consider pinned BOs for eviction&swap
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 <christian.koenig@amd.com>
Reported-by: Pelloux-Prayer, Pierre-Eric <Pierre-eric.Pelloux-prayer@amd.com>
Tested-by: Pelloux-Prayer, Pierre-Eric <Pierre-eric.Pelloux-prayer@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20230707120826.3701-1-christian.koenig@amd.com
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 1a1cfd675cc4..7139a522b2f3 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -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) |