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authorChristian König <christian.koenig@amd.com>2018-10-19 14:49:05 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-11-05 22:21:18 +0300
commit27eb1fa9130a98edd2b321d4dbce5c8b244ee7af (patch)
treeb94c90b1cec5a325161051012797155964ce0331 /drivers/gpu/drm/hisilicon
parent7e07834c12b96214e95a473f7b14fc03b20e2e7a (diff)
downloadlinux-27eb1fa9130a98edd2b321d4dbce5c8b244ee7af.tar.xz
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/hisilicon')
-rw-r--r--drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h1
-rw-r--r--drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c31
2 files changed, 4 insertions, 28 deletions
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
index 45c25a488f42..60479502e277 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
@@ -49,7 +49,6 @@ struct hibmc_drm_private {
bool mode_config_initialized;
/* ttm */
- struct drm_global_reference mem_global_ref;
struct ttm_bo_global_ref bo_global_ref;
struct ttm_bo_device bdev;
bool initialized;
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
index 0454aa43ffc6..14071c849121 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
@@ -29,34 +29,10 @@ hibmc_bdev(struct ttm_bo_device *bd)
return container_of(bd, struct hibmc_drm_private, bdev);
}
-static int
-hibmc_ttm_mem_global_init(struct drm_global_reference *ref)
-{
- return ttm_mem_global_init(ref->object);
-}
-
-static void
-hibmc_ttm_mem_global_release(struct drm_global_reference *ref)
-{
- ttm_mem_global_release(ref->object);
-}
-
static int hibmc_ttm_global_init(struct hibmc_drm_private *hibmc)
{
int ret;
- hibmc->mem_global_ref.global_type = DRM_GLOBAL_TTM_MEM;
- hibmc->mem_global_ref.size = sizeof(struct ttm_mem_global);
- hibmc->mem_global_ref.init = &hibmc_ttm_mem_global_init;
- hibmc->mem_global_ref.release = &hibmc_ttm_mem_global_release;
- ret = drm_global_item_ref(&hibmc->mem_global_ref);
- if (ret) {
- DRM_ERROR("could not get ref on ttm global: %d\n", ret);
- return ret;
- }
-
- hibmc->bo_global_ref.mem_glob =
- hibmc->mem_global_ref.object;
hibmc->bo_global_ref.ref.global_type = DRM_GLOBAL_TTM_BO;
hibmc->bo_global_ref.ref.size = sizeof(struct ttm_bo_global);
hibmc->bo_global_ref.ref.init = &ttm_bo_global_ref_init;
@@ -64,7 +40,6 @@ static int hibmc_ttm_global_init(struct hibmc_drm_private *hibmc)
ret = drm_global_item_ref(&hibmc->bo_global_ref.ref);
if (ret) {
DRM_ERROR("failed setting up TTM BO subsystem: %d\n", ret);
- drm_global_item_unref(&hibmc->mem_global_ref);
return ret;
}
return 0;
@@ -73,9 +48,11 @@ static int hibmc_ttm_global_init(struct hibmc_drm_private *hibmc)
static void
hibmc_ttm_global_release(struct hibmc_drm_private *hibmc)
{
+ if (hibmc->bo_global_ref.ref.release == NULL)
+ return;
+
drm_global_item_unref(&hibmc->bo_global_ref.ref);
- drm_global_item_unref(&hibmc->mem_global_ref);
- hibmc->mem_global_ref.release = NULL;
+ hibmc->bo_global_ref.ref.release = NULL;
}
static void hibmc_bo_ttm_destroy(struct ttm_buffer_object *tbo)