[PATCH 3/3] drm/radeon: Replace TTM initialization/release with ttm_global

[Thomas Zimmermann]

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

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/gpu/drm/radeon/radeon.h     |  4 +--
 drivers/gpu/drm/radeon/radeon_ttm.c | 40 ++++-------------------------
 2 files changed, 7 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 1a6f6edb3515..554c0421b779 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -73,6 +73,7 @@
 #include <drm/ttm/ttm_placement.h>
 #include <drm/ttm/ttm_module.h>
 #include <drm/ttm/ttm_execbuf_util.h>
+#include <drm/ttm/ttm_global.h>
 
 #include <drm/drm_gem.h>
 
@@ -448,8 +449,7 @@ struct radeon_surface_reg {
  * TTM.
  */
 struct radeon_mman {
-	struct ttm_bo_global_ref        bo_global_ref;
-	struct drm_global_reference	mem_global_ref;
+	struct ttm_global		glob;
 	struct ttm_bo_device		bdev;
 	bool				mem_global_referenced;
 	bool				initialized;
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index dac4ec5a120b..363860e82892 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -64,45 +64,16 @@ static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
 /*
  * Global memory.
  */
-static int radeon_ttm_mem_global_init(struct drm_global_reference *ref)
-{
-	return ttm_mem_global_init(ref->object);
-}
-
-static void radeon_ttm_mem_global_release(struct drm_global_reference *ref)
-{
-	ttm_mem_global_release(ref->object);
-}
 
 static int radeon_ttm_global_init(struct radeon_device *rdev)
 {
-	struct drm_global_reference *global_ref;
 	int r;
 
 	rdev->mman.mem_global_referenced = false;
-	global_ref = &rdev->mman.mem_global_ref;
-	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
-	global_ref->size = sizeof(struct ttm_mem_global);
-	global_ref->init = &radeon_ttm_mem_global_init;
-	global_ref->release = &radeon_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;
-	}
 
-	rdev->mman.bo_global_ref.mem_glob =
-		rdev->mman.mem_global_ref.object;
-	global_ref = &rdev->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);
-	if (r != 0) {
-		DRM_ERROR("Failed setting up TTM BO subsystem.\n");
-		drm_global_item_unref(&rdev->mman.mem_global_ref);
+	r = ttm_global_init(&rdev->mman.glob);
+	if (r) {
+		DRM_ERROR("Failed setting up TTM subsystem.\n");
 		return r;
 	}
 
@@ -113,8 +84,7 @@ static int radeon_ttm_global_init(struct radeon_device *rdev)
 static void radeon_ttm_global_fini(struct radeon_device *rdev)
 {
 	if (rdev->mman.mem_global_referenced) {
-		drm_global_item_unref(&rdev->mman.bo_global_ref.ref);
-		drm_global_item_unref(&rdev->mman.mem_global_ref);
+		ttm_global_release(&rdev->mman.glob);
 		rdev->mman.mem_global_referenced = false;
 	}
 }
@@ -853,7 +823,7 @@ int radeon_ttm_init(struct radeon_device *rdev)
 	}
 	/* No others user of address space so set it to 0 */
 	r = ttm_bo_device_init(&rdev->mman.bdev,
-			       rdev->mman.bo_global_ref.ref.object,
+			       ttm_global_get_bo_global(&rdev->mman.glob),
 			       &radeon_bo_driver,
 			       rdev->ddev->anon_inode->i_mapping,
 			       DRM_FILE_PAGE_OFFSET,
-- 
2.19.1