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| author | Christian König <christian.koenig@amd.com> | 2020-10-06 17:26:42 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-03-24 17:05:25 +0100 |
| commit | a1f091f8ef2b680a5184db065527612247cb4cae (patch) | |
| tree | 656a35294d816b5334ca4b4bfdca4c1a87a2aa3d /drivers/gpu/drm/ttm/ttm_resource.c | |
| parent | f9e2a03e110ad0c78e69201f59d18dc1c487efac (diff) | |
| download | linux-a1f091f8ef2b680a5184db065527612247cb4cae.tar.gz linux-a1f091f8ef2b680a5184db065527612247cb4cae.tar.bz2 linux-a1f091f8ef2b680a5184db065527612247cb4cae.zip | |
drm/ttm: switch to per device LRU lock
Instead of having a global lock for potentially less contention.
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/424010/
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_resource.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_resource.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c index ed1672a9f332..04f2eef653ab 100644 --- a/drivers/gpu/drm/ttm/ttm_resource.c +++ b/drivers/gpu/drm/ttm/ttm_resource.c @@ -91,7 +91,6 @@ int ttm_resource_manager_evict_all(struct ttm_device *bdev, .no_wait_gpu = false, .force_alloc = true }; - struct ttm_global *glob = &ttm_glob; struct dma_fence *fence; int ret; unsigned i; @@ -100,18 +99,18 @@ int ttm_resource_manager_evict_all(struct ttm_device *bdev, * Can't use standard list traversal since we're unlocking. */ - spin_lock(&glob->lru_lock); + spin_lock(&bdev->lru_lock); for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) { while (!list_empty(&man->lru[i])) { - spin_unlock(&glob->lru_lock); + spin_unlock(&bdev->lru_lock); ret = ttm_mem_evict_first(bdev, man, NULL, &ctx, NULL); if (ret) return ret; - spin_lock(&glob->lru_lock); + spin_lock(&bdev->lru_lock); } } - spin_unlock(&glob->lru_lock); + spin_unlock(&bdev->lru_lock); spin_lock(&man->move_lock); fence = dma_fence_get(man->move); |