Am 31.07.20 um 06:04 schrieb Dave Airlie:
From: Dave Airlie <airlied@xxxxxxxxxx>
drivers should all be cleaning up their memory managers
themselves now, so let the core just clean the system one up.
Remove the legacy cleaning interface.
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo.c | 55 +++------------------------------
include/drm/ttm/ttm_bo_api.h | 28 -----------------
include/drm/ttm/ttm_bo_driver.h | 10 ------
3 files changed, 4 insertions(+), 89 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index f0f0f3101bd1..07c653374f15 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1446,43 +1446,6 @@ int ttm_bo_force_list_clean(struct ttm_bo_device *bdev,
}
EXPORT_SYMBOL(ttm_bo_force_list_clean);
-int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type)
-{
- struct ttm_mem_type_manager *man;
- int ret = -EINVAL;
-
- if (mem_type >= TTM_NUM_MEM_TYPES) {
- pr_err("Illegal memory type %d\n", mem_type);
- return ret;
- }
- man = &bdev->man[mem_type];
-
- if (!man->has_type) {
- pr_err("Trying to take down uninitialized memory manager type %u\n",
- mem_type);
- return ret;
- }
-
- ttm_bo_disable_mm(man);
-
- ret = 0;
- if (mem_type > 0) {
- ret = ttm_bo_force_list_clean(bdev, man);
- if (ret) {
- pr_err("Cleanup eviction failed\n");
- return ret;
- }
-
- if (man->func->takedown)
- ret = (*man->func->takedown)(man);
- }
-
- ttm_bo_man_cleanup(man);
-
- return ret;
-}
-EXPORT_SYMBOL(ttm_bo_clean_mm);
-
int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type)
{
struct ttm_mem_type_manager *man = &bdev->man[mem_type];
@@ -1585,21 +1548,11 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
{
struct ttm_bo_global *glob = &ttm_bo_glob;
int ret = 0;
- unsigned i = TTM_NUM_MEM_TYPES;
+ unsigned i;
struct ttm_mem_type_manager *man;
- while (i--) {
- man = &bdev->man[i];
- if (man->has_type) {
- man->use_type = false;
- if ((i != TTM_PL_SYSTEM) && ttm_bo_clean_mm(bdev, i)) {
- ret = -EBUSY;
- pr_err("DRM memory manager type %d is not clean\n",
- i);
- }
- man->has_type = false;
- }
- }
+ man = &bdev->man[TTM_PL_SYSTEM];
+ ttm_bo_disable_mm(man);
mutex_lock(&ttm_global_mutex);
list_del(&bdev->device_list);
@@ -1612,7 +1565,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
spin_lock(&glob->lru_lock);
for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
- if (list_empty(&bdev->man[0].lru[0]))
+ if (list_empty(&man->lru[0]))
pr_debug("Swap list %d was clean\n", i);
spin_unlock(&glob->lru_lock);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 6562d1c5ac59..27dde1371376 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -551,34 +551,6 @@ void ttm_bo_init_mm_base(struct ttm_bo_device *bdev,
struct ttm_mem_type_manager *man,
unsigned long p_size);
-/**
- * ttm_bo_clean_mm
- *
- * @bdev: Pointer to a ttm_bo_device struct.
- * @mem_type: The memory type.
- *
- * Take down a manager for a given memory type after first walking
- * the LRU list to evict any buffers left alive.
- *
- * Normally, this function is part of lastclose() or unload(), and at that
- * point there shouldn't be any buffers left created by user-space, since
- * there should've been removed by the file descriptor release() method.
- * However, before this function is run, make sure to signal all sync objects,
- * and verify that the delayed delete queue is empty. The driver must also
- * make sure that there are no NO_EVICT buffers present in this memory type
- * when the call is made.
- *
- * If this function is part of a VT switch, the caller must make sure that
- * there are no appications currently validating buffers before this
- * function is called. The caller can do that by first taking the
- * struct ttm_bo_device::ttm_lock in write mode.
- *
- * Returns:
- * -EINVAL: invalid or uninitialized memory type.
- * -EBUSY: There are still buffers left in this memory type.
- */
-int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type);
-
/**
* ttm_bo_evict_mm
*
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 2ef33b407167..9d066529ca61 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -48,16 +48,6 @@
struct ttm_mem_type_manager;
struct ttm_mem_type_manager_func {
- /**
- * struct ttm_mem_type_manager member takedown
- *
- * @man: Pointer to a memory type manager.
- *
- * Called to undo the setup done in init. All allocated resources
- * should be freed.
- */
- int (*takedown)(struct ttm_mem_type_manager *man);
-
/**
* struct ttm_mem_type_manager member get_node
*
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