diff options
| author | Christian König <christian.koenig@amd.com> | 2018-03-15 16:48:20 +0100 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2020-02-27 14:58:00 +0100 |
| commit | d2588d2ded0f3ac4a955cc92f6e665a2928bf4d6 (patch) | |
| tree | 70e691a149c6395346cd558a107892b09bf269cb | |
| parent | bb42df4662a4476531147c3d9caa1940f7ad36bb (diff) | |
| download | linux-d2588d2ded0f3ac4a955cc92f6e665a2928bf4d6.tar.bz2 | |
drm/ttm: remove the backing store if no placement is given
Pipeline removal of the BOs backing store when no placement is given
during validation.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/353994/?series=73646&rev=1
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 151edfd8de77..6d1e91be9c78 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1196,6 +1196,18 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, uint32_t new_flags; dma_resv_assert_held(bo->base.resv); + + /* + * Remove the backing store if no placement is given. + */ + if (!placement->num_placement && !placement->num_busy_placement) { + ret = ttm_bo_pipeline_gutting(bo); + if (ret) + return ret; + + return ttm_tt_create(bo, false); + } + /* * Check whether we need to move buffer. */ |