Am 14.01.19 um 08:02 schrieb Chunming Zhou:
allow driver do somethings when lru changed. v2: address Michel's comments.
Change-Id: Ie82053da49272881d4b52b1c406f7c221a3fcadf Signed-off-by: Chunming Zhou david1.zhou@amd.com
Reviewed-by: Christian König christian.koenig@amd.com
drivers/gpu/drm/ttm/ttm_bo.c | 11 +++++++---- include/drm/ttm/ttm_bo_driver.h | 9 +++++++++ 2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 0ec08394e17a..de088c8070fb 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -198,19 +198,22 @@ static void ttm_bo_ref_bug(struct kref *list_kref)
void ttm_bo_del_from_lru(struct ttm_buffer_object *bo) {
- struct ttm_bo_device *bdev = bo->bdev;
- bool notify = false;
- if (!list_empty(&bo->swap)) { list_del_init(&bo->swap); kref_put(&bo->list_kref, ttm_bo_ref_bug);
} if (!list_empty(&bo->lru)) { list_del_init(&bo->lru); kref_put(&bo->list_kref, ttm_bo_ref_bug);notify = true;
}notify = true;
- /*
* TODO: Add a driver hook to delete from
* driver-specific LRU's here.
*/
if (notify && bdev->driver->del_from_lru_notify)
bdev->driver->del_from_lru_notify(bo);
}
void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo)
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 1021106438b2..15829b24277c 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -381,6 +381,15 @@ struct ttm_bo_driver { */ int (*access_memory)(struct ttm_buffer_object *bo, unsigned long offset, void *buf, int len, int write);
/**
* struct ttm_bo_driver member del_from_lru_notify
*
* @bo: the buffer object deleted from lru
*
* notify driver that a BO was deleted from LRU.
*/
void (*del_from_lru_notify)(struct ttm_buffer_object *bo); };
/**