[PATCH 10/18] drm/qlx: Replace TTM initialization/release with ttm_global

[Thomas Zimmermann <tzimmermann@xxxxxxx>]

Unified initialization and release of the global TTM state is provided
by struct ttm_global and its interfaces.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/qxl/qxl_drv.h |  4 ++--
 drivers/gpu/drm/qxl/qxl_ttm.c | 40 ++++-------------------------------
 2 files changed, 6 insertions(+), 38 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 8ff70a7281a7..64232a2684fd 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -47,6 +47,7 @@
 #include <drm/ttm/ttm_execbuf_util.h>
 #include <drm/ttm/ttm_module.h>
 #include <drm/ttm/ttm_placement.h>
+#include <drm/ttm/ttm_global.h>
 #include <drm/qxl_drm.h>
 
 #include "qxl_dev.h"
@@ -127,9 +128,8 @@ struct qxl_output {
 #define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
 
 struct qxl_mman {
-	struct ttm_bo_global_ref        bo_global_ref;
-	struct drm_global_reference	mem_global_ref;
 	bool				mem_global_referenced;
+	struct ttm_global		glob;
 	struct ttm_bo_device		bdev;
 };
 
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index db2a0036e9c4..2e852fac97d3 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -46,46 +46,15 @@ static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
 	return qdev;
 }
 
-static int qxl_ttm_mem_global_init(struct drm_global_reference *ref)
-{
-	return ttm_mem_global_init(ref->object);
-}
-
-static void qxl_ttm_mem_global_release(struct drm_global_reference *ref)
-{
-	ttm_mem_global_release(ref->object);
-}
-
 static int qxl_ttm_global_init(struct qxl_device *qdev)
 {
-	struct drm_global_reference *global_ref;
 	int r;
 
 	qdev->mman.mem_global_referenced = false;
-	global_ref = &qdev->mman.mem_global_ref;
-	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
-	global_ref->size = sizeof(struct ttm_mem_global);
-	global_ref->init = &qxl_ttm_mem_global_init;
-	global_ref->release = &qxl_ttm_mem_global_release;
-
-	r = drm_global_item_ref(global_ref);
-	if (r != 0) {
-		DRM_ERROR("Failed setting up TTM memory accounting "
-			  "subsystem.\n");
-		return r;
-	}
 
-	qdev->mman.bo_global_ref.mem_glob =
-		qdev->mman.mem_global_ref.object;
-	global_ref = &qdev->mman.bo_global_ref.ref;
-	global_ref->global_type = DRM_GLOBAL_TTM_BO;
-	global_ref->size = sizeof(struct ttm_bo_global);
-	global_ref->init = &ttm_bo_global_ref_init;
-	global_ref->release = &ttm_bo_global_ref_release;
-	r = drm_global_item_ref(global_ref);
+	r = ttm_global_init(&qdev->mman.glob);
 	if (r != 0) {
-		DRM_ERROR("Failed setting up TTM BO subsystem.\n");
-		drm_global_item_unref(&qdev->mman.mem_global_ref);
+		DRM_ERROR("Failed setting up TTM subsystem.\n");
 		return r;
 	}
 
@@ -96,8 +65,7 @@ static int qxl_ttm_global_init(struct qxl_device *qdev)
 static void qxl_ttm_global_fini(struct qxl_device *qdev)
 {
 	if (qdev->mman.mem_global_referenced) {
-		drm_global_item_unref(&qdev->mman.bo_global_ref.ref);
-		drm_global_item_unref(&qdev->mman.mem_global_ref);
+		ttm_global_release(&qdev->mman.glob);
 		qdev->mman.mem_global_referenced = false;
 	}
 }
@@ -378,7 +346,7 @@ int qxl_ttm_init(struct qxl_device *qdev)
 		return r;
 	/* No others user of address space so set it to 0 */
 	r = ttm_bo_device_init(&qdev->mman.bdev,
-			       qdev->mman.bo_global_ref.ref.object,
+			       qdev->mman.glob.bo_ref.object,
 			       &qxl_bo_driver,
 			       qdev->ddev.anon_inode->i_mapping,
 			       DRM_FILE_PAGE_OFFSET, 0);
-- 
2.19.1

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