We only completely delete the BO from the LRU on destruction.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 +-
drivers/gpu/drm/qxl/qxl_release.c | 2 +-
drivers/gpu/drm/ttm/ttm_bo.c | 60 +++++++++++---------------
drivers/gpu/drm/ttm/ttm_execbuf_util.c | 4 +-
include/drm/ttm/ttm_bo_api.h | 2 +
include/drm/ttm/ttm_bo_driver.h | 5 ++-
6 files changed, 36 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 0768c8686983..ad91c0c3c423 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -653,9 +653,11 @@ void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev,
if (!bo->parent)
continue;
- ttm_bo_move_to_lru_tail(&bo->tbo, &vm->lru_bulk_move);
+ ttm_bo_move_to_lru_tail(&bo->tbo, &bo->tbo.mem,
+ &vm->lru_bulk_move);
if (bo->shadow)
ttm_bo_move_to_lru_tail(&bo->shadow->tbo,
+ &bo->shadow->tbo.mem,
&vm->lru_bulk_move);
}
spin_unlock(&ttm_bo_glob.lru_lock);
diff --git a/drivers/gpu/drm/qxl/qxl_release.c
b/drivers/gpu/drm/qxl/qxl_release.c
index e75e364655b8..0fcfc952d5e9 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -456,7 +456,7 @@ void qxl_release_fence_buffer_objects(struct qxl_release
*release)
bo = entry->bo;
dma_resv_add_shared_fence(bo->base.resv, &release->base);
- ttm_bo_move_to_lru_tail(bo, NULL);
+ ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
dma_resv_unlock(bo->base.resv);
}
spin_unlock(&ttm_bo_glob.lru_lock);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a0bddcc64504..a4435caba94c 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -109,40 +109,14 @@ static struct kobj_type ttm_bo_glob_kobj_type = {
.default_attrs = ttm_bo_global_attrs
};
-static void ttm_bo_add_mem_to_lru(struct ttm_buffer_object *bo,
- struct ttm_resource *mem)
-{
- struct ttm_bo_device *bdev = bo->bdev;
- struct ttm_resource_manager *man;
-
- if (!list_empty(&bo->lru) || bo->pin_count)
- return;
-
- man = ttm_manager_type(bdev, mem->mem_type);
- list_add_tail(&bo->lru, &man->lru[bo->priority]);
-
- if (man->use_tt && bo->ttm &&
- !(bo->ttm->page_flags & (TTM_PAGE_FLAG_SG |
- TTM_PAGE_FLAG_SWAPPED))) {
- list_add_tail(&bo->swap, &ttm_bo_glob.swap_lru[bo->priority]);
- }
-}
-
static 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);
- notify = true;
- }
- if (!list_empty(&bo->lru)) {
- list_del_init(&bo->lru);
- notify = true;
- }
+ list_del_init(&bo->swap);
+ list_del_init(&bo->lru);
- if (notify && bdev->driver->del_from_lru_notify)
+ if (bdev->driver->del_from_lru_notify)
bdev->driver->del_from_lru_notify(bo);
}
@@ -155,12 +129,30 @@ static void ttm_bo_bulk_move_set_pos(struct
ttm_lru_bulk_move_pos *pos,
}
void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
+ struct ttm_resource *mem,
struct ttm_lru_bulk_move *bulk)
{
+ struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_resource_manager *man;
+
dma_resv_assert_held(bo->base.resv);
- ttm_bo_del_from_lru(bo);
- ttm_bo_add_mem_to_lru(bo, &bo->mem);
+ if (bo->pin_count)
+ return;
+
+ man = ttm_manager_type(bdev, mem->mem_type);
+ list_move_tail(&bo->lru, &man->lru[bo->priority]);
+ if (man->use_tt && bo->ttm &&
+ !(bo->ttm->page_flags & (TTM_PAGE_FLAG_SG |
+ TTM_PAGE_FLAG_SWAPPED))) {
+ struct list_head *swap;
+
+ swap = &ttm_bo_glob.swap_lru[bo->priority];
+ list_move_tail(&bo->swap, swap);
+ }
+
+ if (bdev->driver->del_from_lru_notify)
+ bdev->driver->del_from_lru_notify(bo);
if (bulk && !bo->pin_count) {
switch (bo->mem.mem_type) {
@@ -516,8 +508,7 @@ static void ttm_bo_release(struct kref *kref)
*/
if (bo->pin_count) {
bo->pin_count = 0;
- ttm_bo_del_from_lru(bo);
- ttm_bo_add_mem_to_lru(bo, &bo->mem);
+ ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
}
kref_init(&bo->kref);
@@ -859,8 +850,7 @@ static int ttm_bo_mem_placement(struct ttm_buffer_object
*bo,
mem->placement = place->flags;
spin_lock(&ttm_bo_glob.lru_lock);
- ttm_bo_del_from_lru(bo);
- ttm_bo_add_mem_to_lru(bo, mem);
+ ttm_bo_move_to_lru_tail(bo, mem, NULL);
spin_unlock(&ttm_bo_glob.lru_lock);
return 0;
diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index 8a8f1a6a83a6..9fa36ed59429 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -55,7 +55,7 @@ void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket,
list_for_each_entry(entry, list, head) {
struct ttm_buffer_object *bo = entry->bo;
- ttm_bo_move_to_lru_tail(bo, NULL);
+ ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
dma_resv_unlock(bo->base.resv);
}
spin_unlock(&ttm_bo_glob.lru_lock);
@@ -162,7 +162,7 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx
*ticket,
dma_resv_add_shared_fence(bo->base.resv, fence);
else
dma_resv_add_excl_fence(bo->base.resv, fence);
- ttm_bo_move_to_lru_tail(bo, NULL);
+ ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
dma_resv_unlock(bo->base.resv);
}
spin_unlock(&ttm_bo_glob.lru_lock);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 2564e66e67d7..2d7004fc47b3 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -310,6 +310,7 @@ void ttm_bo_put(struct ttm_buffer_object *bo);
* ttm_bo_move_to_lru_tail
*
* @bo: The buffer object.
+ * @mem: Resource object.
* @bulk: optional bulk move structure to remember BO positions
*
* Move this BO to the tail of all lru lists used to lookup and reserve an
@@ -317,6 +318,7 @@ void ttm_bo_put(struct ttm_buffer_object *bo);
* held, and is used to make a BO less likely to be considered for eviction.
*/
void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
+ struct ttm_resource *mem,
struct ttm_lru_bulk_move *bulk);
/**
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index f02f7cf9ae90..e362e272184c 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -492,10 +492,11 @@ static inline int ttm_bo_reserve_slowpath(struct
ttm_buffer_object *bo,
return 0;
}
-static inline void ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object
*bo)
+static inline void
+ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo)
{
spin_lock(&ttm_bo_glob.lru_lock);
- ttm_bo_move_to_lru_tail(bo, NULL);
+ ttm_bo_move_to_lru_tail(bo, &bo->mem, NULL);
spin_unlock(&ttm_bo_glob.lru_lock);
}
--
2.25.1
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