1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index 85bcfc8923a7..3edec1c198e3 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -900,6 +900,10 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
         struct radeon_i2c_chan *i2c;
         int ret;
 
+        /* don't add the mm_i2c bus unless hw_i2c is enabled */
+        if (rec->mm_i2c && (radeon_hw_i2c == 0))
+                return NULL;
+
         i2c = kzalloc(sizeof(struct radeon_i2c_chan), GFP_KERNEL);
         if (i2c == NULL)
                 return NULL;