diff options
| author | Thierry Reding <treding@nvidia.com> | 2020-02-07 18:50:52 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2021-12-16 16:07:06 +0300 |
| commit | 1f39b1dfa53c84b56d7ad37fed44afda7004959d (patch) | |
| tree | 8ef62c2b9b69fbf96e0cdad49362f2c4c17e0682 /drivers/gpu/drm/tegra/submit.c | |
| parent | c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb (diff) | |
| download | linux-1f39b1dfa53c84b56d7ad37fed44afda7004959d.tar.xz | |
drm/tegra: Implement buffer object cache
This cache is used to avoid mapping and unmapping buffer objects
unnecessarily. Mappings are cached per client and stay hot until
the buffer object is destroyed.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/submit.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/submit.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/submit.c b/drivers/gpu/drm/tegra/submit.c index 6b950388527b..c32698404e36 100644 --- a/drivers/gpu/drm/tegra/submit.c +++ b/drivers/gpu/drm/tegra/submit.c @@ -75,6 +75,7 @@ gather_bo_pin(struct device *dev, struct host1x_bo *bo, enum dma_data_direction if (!map) return ERR_PTR(-ENOMEM); + kref_init(&map->ref); map->bo = host1x_bo_get(bo); map->direction = direction; map->dev = dev; |