[PATCH 2/7] drm/qxl: fix incorrect use of the lru_lock

Christian König deathsimple at vodafone.de
Mon Aug 7 15:48:18 UTC 2017


From: Christian König <christian.koenig at amd.com>

The BO manager has its own lock and doesn't use the lru_lock.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/qxl/qxl_ttm.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index 0fdedee..07dc08d 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -454,15 +454,10 @@ void qxl_ttm_fini(struct qxl_device *qdev)
 static int qxl_mm_dump_table(struct seq_file *m, void *data)
 {
 	struct drm_info_node *node = (struct drm_info_node *)m->private;
-	struct drm_mm *mm = (struct drm_mm *)node->info_ent->data;
-	struct drm_device *dev = node->minor->dev;
-	struct qxl_device *rdev = dev->dev_private;
-	struct ttm_bo_global *glob = rdev->mman.bdev.glob;
+	struct ttm_mem_type_manager *man = node->info_ent->data;
 	struct drm_printer p = drm_seq_file_printer(m);
 
-	spin_lock(&glob->lru_lock);
-	drm_mm_print(mm, &p);
-	spin_unlock(&glob->lru_lock);
+	man->func->debug(man, &p);
 	return 0;
 }
 #endif
@@ -483,9 +478,9 @@ int qxl_ttm_debugfs_init(struct qxl_device *qdev)
 		qxl_mem_types_list[i].show = &qxl_mm_dump_table;
 		qxl_mem_types_list[i].driver_features = 0;
 		if (i == 0)
-			qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv;
+			qxl_mem_types_list[i].data = &qdev->mman.bdev.man[TTM_PL_VRAM];
 		else
-			qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv;
+			qxl_mem_types_list[i].data = &qdev->mman.bdev.man[TTM_PL_PRIV];
 
 	}
 	return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
-- 
2.7.4



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