[PATCH 2/7] drm/ttm: wrap tt destroy.

Dave Airlie airlied at gmail.com
Tue Sep 15 02:40:02 UTC 2020


From: Dave Airlie <airlied at redhat.com>

All places this was called was using bo->ttm either direct
or indirectly.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c      |  9 +++------
 drivers/gpu/drm/ttm/ttm_bo_util.c | 24 ++++++++++++------------
 include/drm/ttm/ttm_bo_driver.h   |  5 +++++
 3 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index e2bfe3a13c63..9aae9e1bd8e8 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -301,10 +301,8 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
 
 out_err:
 	new_man = ttm_manager_type(bdev, bo->mem.mem_type);
-	if (!new_man->use_tt) {
-		ttm_tt_destroy(bdev, bo->ttm);
-		bo->ttm = NULL;
-	}
+	if (!new_man->use_tt)
+		ttm_bo_tt_destroy(bo);
 
 	return ret;
 }
@@ -322,8 +320,7 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
 	if (bo->bdev->driver->move_notify)
 		bo->bdev->driver->move_notify(bo, false, NULL);
 
-	ttm_tt_destroy(bo->bdev, bo->ttm);
-	bo->ttm = NULL;
+	ttm_bo_tt_destroy(bo);
 	ttm_resource_free(bo, &bo->mem);
 }
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 44b47ccdeaf7..0ddaaa1ddafd 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -297,10 +297,8 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
 	*old_mem = *new_mem;
 	new_mem->mm_node = NULL;
 
-	if (!man->use_tt) {
-		ttm_tt_destroy(bdev, ttm);
-		bo->ttm = NULL;
-	}
+	if (!man->use_tt)
+		ttm_bo_tt_destroy(bo);
 
 out1:
 	ttm_resource_iounmap(bdev, old_mem, new_iomap);
@@ -542,10 +540,8 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
 		if (ret)
 			return ret;
 
-		if (!man->use_tt) {
-			ttm_tt_destroy(bdev, bo->ttm);
-			bo->ttm = NULL;
-		}
+		if (!man->use_tt)
+			ttm_bo_tt_destroy(bo);
 		ttm_bo_free_old_node(bo);
 	} else {
 		/**
@@ -665,10 +661,8 @@ int ttm_bo_pipeline_move(struct ttm_buffer_object *bo,
 		if (ret)
 			return ret;
 
-		if (!to->use_tt) {
-			ttm_tt_destroy(bdev, bo->ttm);
-			bo->ttm = NULL;
-		}
+		if (!to->use_tt)
+			ttm_bo_tt_destroy(bo);
 		ttm_bo_free_old_node(bo);
 	}
 
@@ -702,3 +696,9 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo)
 
 	return 0;
 }
+
+void ttm_bo_tt_destroy(struct ttm_buffer_object *bo)
+{
+	ttm_tt_destroy(bo->bdev, bo->ttm);
+	bo->ttm = NULL;
+}
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 303a89d1066d..c2e93f04d0ad 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -684,6 +684,11 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
  */
 pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
 
+/**
+ * ttm_bo_tt_destroy.
+ */
+void ttm_bo_tt_destroy(struct ttm_buffer_object *bo);
+
 /**
  * ttm_range_man_init
  *
-- 
2.27.0



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