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| author | Christian König <christian.koenig@amd.com> | 2016-06-15 13:44:01 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 14:54:40 -0400 |
| commit | 5bc730677b1698c479f0134926b90789759b17ee (patch) | |
| tree | 235ba11d0271bdd73274d93887e23efe0e095f12 /drivers/gpu/drm/ttm/ttm_bo_util.c | |
| parent | 74561cd4f128091f41ab698277cde2542dcc5cad (diff) | |
| download | linux-5bc730677b1698c479f0134926b90789759b17ee.tar.gz linux-5bc730677b1698c479f0134926b90789759b17ee.tar.bz2 linux-5bc730677b1698c479f0134926b90789759b17ee.zip | |
drm/ttm: remove TTM_BO_PRIV_FLAG_MOVING
Instead of using the flag just remember the fence of the last move operation.
This avoids waiting for command submissions pipelined after the move, but
before accessing the BO with the CPU again.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_util.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_util.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index c8fe554ee1c7..9ea8d02f4ea5 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -465,6 +465,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo, INIT_LIST_HEAD(&fbo->lru); INIT_LIST_HEAD(&fbo->swap); INIT_LIST_HEAD(&fbo->io_reserve_lru); + fbo->moving = NULL; drm_vma_node_reset(&fbo->vma_node); atomic_set(&fbo->cpu_writers, 0); @@ -665,7 +666,8 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, * operation has completed. */ - set_bit(TTM_BO_PRIV_FLAG_MOVING, &bo->priv_flags); + fence_put(bo->moving); + bo->moving = fence_get(fence); ret = ttm_buffer_object_transfer(bo, &ghost_obj); if (ret) |