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-rw-r--r--drivers/gpu/drm/msm/msm_rd.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c
index a92ffde53f0b..db2f847c8535 100644
--- a/drivers/gpu/drm/msm/msm_rd.c
+++ b/drivers/gpu/drm/msm/msm_rd.c
@@ -196,6 +196,9 @@ static int rd_open(struct inode *inode, struct file *file)
file->private_data = rd;
rd->open = true;
+ /* Reset fifo to clear any previously unread data: */
+ rd->fifo.head = rd->fifo.tail = 0;
+
/* the parsing tools need to know gpu-id to know which
* register database to load.
*