drm/radeon: only add the mm i2c bus if the hw_i2c module param is set

[linux-flexiantxendom0.git] / drivers / gpu / drm / radeon / radeon_i2c.c

diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index 7bb1b07..1441b00 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -890,6 +890,10 @@ 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;