diff options
| author | Nicolai Hähnle | 2016-12-15 17:23:49 +0100 |
|---|---|---|
| committer | Alex Deucher | 2017-01-27 11:13:15 -0500 |
| commit | 66257db7a5276d7f1aff8850388a0eb675ffa2e1 (patch) | |
| tree | 74c5370a57b98cd3a42332337f1101e362ba8f5c /include/drm | |
| parent | 714b1f5371fc4b4d5f49dd1715a595c17871edac (diff) | |
drm/ttm: add evict parameter to ttm_bo_driver::move_notify
Ensure that the driver can listen to evictions even when they don't take the
path through ttm_bo_driver::move.
This is crucial for amdgpu, which relies on an eviction counter to skip
re-binding page tables when possible.
Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index cdbdb40eb5bd..8b4bec7bd57b 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -431,9 +431,15 @@ struct ttm_bo_driver { int (*verify_access)(struct ttm_buffer_object *bo, struct file *filp); - /* hook to notify driver about a driver move so it - * can do tiling things */ + /** + * Hook to notify driver about a driver move so it + * can do tiling things and book-keeping. + * + * @evict: whether this move is evicting the buffer from the graphics + * address space + */ void (*move_notify)(struct ttm_buffer_object *bo, + bool evict, struct ttm_mem_reg *new_mem); /* notify the driver we are taking a fault on this BO * and have reserved it */ |