diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
index 7e5f14646625b437a28b94c4a173ed7dc9ee9d23..06c1b81912f79ffc31cded8daeb8a5611610cd1c 100644
--- a/drivers/gpu/drm/sti/sti_mixer.c
+++ b/drivers/gpu/drm/sti/sti_mixer.c
@@ -137,7 +137,7 @@ static void mixer_dbg_crb(struct seq_file *s, int val)
 	}
 }
 
-static void mixer_dbg_mxn(struct seq_file *s, void *addr)
+static void mixer_dbg_mxn(struct seq_file *s, void __iomem *addr)
 {
 	int i;