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authorDave Airlie <airlied@redhat.com>2021-07-26 09:27:59 +1000
committerDave Airlie <airlied@redhat.com>2021-07-26 09:27:59 +1000
commit35482f9dc56b9bd0f179106da7e461f6c2a2d891 (patch)
treeb04c95e464c3724b5b5b0ba50ad4a26886b2497a /drivers/gpu/drm/ttm
parent8da49a33dda7294c1af508f8aa81cd638d0afd62 (diff)
parentff1176468d368232b684f75e82563369208bc371 (diff)
Backmerge tag 'v5.14-rc3' into drm-next
Linux 5.14-rc3 Daniel said we should pull the nouveau fix from fixes in here, probably a good plan. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c3
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c3
-rw-r--r--drivers/gpu/drm/ttm/ttm_device.c2
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 20fbfd922266..ea4add2b9717 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -102,6 +102,9 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
return;
}
+ if (!mem)
+ return;
+
man = ttm_manager_type(bdev, mem->mem_type);
list_move_tail(&bo->lru, &man->lru[bo->priority]);
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 2f57f824e6db..763fa6f4e07d 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -63,6 +63,9 @@ int ttm_mem_io_reserve(struct ttm_device *bdev,
void ttm_mem_io_free(struct ttm_device *bdev,
struct ttm_resource *mem)
{
+ if (!mem)
+ return;
+
if (!mem->bus.offset && !mem->bus.addr)
return;
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
index 5f31acec3ad7..519deea8e39b 100644
--- a/drivers/gpu/drm/ttm/ttm_device.c
+++ b/drivers/gpu/drm/ttm/ttm_device.c
@@ -100,6 +100,8 @@ static int ttm_global_init(void)
debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root,
&glob->bo_count);
out:
+ if (ret)
+ --ttm_glob_use_count;
mutex_unlock(&ttm_global_mutex);
return ret;
}