summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/ttm
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2018-10-19 13:49:05 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-11-05 14:21:18 -0500
commit27eb1fa9130a98edd2b321d4dbce5c8b244ee7af (patch)
treeb94c90b1cec5a325161051012797155964ce0331 /drivers/gpu/drm/ttm
parent7e07834c12b96214e95a473f7b14fc03b20e2e7a (diff)
drm/ttm: use a static ttm_mem_global instance
As the name says we only need one global instance of ttm_mem_global. Drop all the driver initialization and just use a single exported instance which is initialized during BO global initialization. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c10
-rw-r--r--drivers/gpu/drm/ttm/ttm_memory.c5
2 files changed, 10 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 9edece6510d3..3006050b1720 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1526,18 +1526,22 @@ void ttm_bo_global_release(struct ttm_bo_global *glob)
{
kobject_del(&glob->kobj);
kobject_put(&glob->kobj);
+ ttm_mem_global_release(&ttm_mem_glob);
}
EXPORT_SYMBOL(ttm_bo_global_release);
-int ttm_bo_global_init(struct ttm_bo_global *glob,
- struct ttm_mem_global *mem_glob)
+int ttm_bo_global_init(struct ttm_bo_global *glob)
{
int ret;
unsigned i;
+ ret = ttm_mem_global_init(&ttm_mem_glob);
+ if (ret)
+ return ret;
+
mutex_init(&glob->device_list_mutex);
spin_lock_init(&glob->lru_lock);
- glob->mem_glob = mem_glob;
+ glob->mem_glob = &ttm_mem_glob;
glob->mem_glob->bo_glob = glob;
glob->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32);
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index 450387c92b63..7704e17c402f 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -41,6 +41,9 @@
#define TTM_MEMORY_ALLOC_RETRIES 4
+struct ttm_mem_global ttm_mem_glob;
+EXPORT_SYMBOL(ttm_mem_glob);
+
struct ttm_mem_zone {
struct kobject kobj;
struct ttm_mem_global *glob;
@@ -464,7 +467,6 @@ out_no_zone:
ttm_mem_global_release(glob);
return ret;
}
-EXPORT_SYMBOL(ttm_mem_global_init);
void ttm_mem_global_release(struct ttm_mem_global *glob)
{
@@ -486,7 +488,6 @@ void ttm_mem_global_release(struct ttm_mem_global *glob)
kobject_del(&glob->kobj);
kobject_put(&glob->kobj);
}
-EXPORT_SYMBOL(ttm_mem_global_release);
static void ttm_check_swapping(struct ttm_mem_global *glob)
{