Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...

[pandora-kernel.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 ded2a45..983cbac 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -1062,7 +1062,7 @@ void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
                *val = in_buf[0];
                DRM_DEBUG("val = 0x%02x\n", *val);
        } else {
-               DRM_ERROR("i2c 0x%02x 0x%02x read failed\n",
+               DRM_DEBUG("i2c 0x%02x 0x%02x read failed\n",
                          addr, *val);
        }
 }
@@ -1084,7 +1084,7 @@ void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c_bus,
        out_buf[1] = val;
 
        if (i2c_transfer(&i2c_bus->adapter, &msg, 1) != 1)
-               DRM_ERROR("i2c 0x%02x 0x%02x write failed\n",
+               DRM_DEBUG("i2c 0x%02x 0x%02x write failed\n",
                          addr, val);
 }
 
@@ -1096,6 +1096,9 @@ void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector)
        if (!radeon_connector->router.ddc_valid)
                return;
 
+       if (!radeon_connector->router_bus)
+               return;
+
        radeon_i2c_get_byte(radeon_connector->router_bus,
                            radeon_connector->router.i2c_addr,
                            0x3, &val);
@@ -1121,6 +1124,9 @@ void radeon_router_select_cd_port(struct radeon_connector *radeon_connector)
        if (!radeon_connector->router.cd_valid)
                return;
 
+       if (!radeon_connector->router_bus)
+               return;
+
        radeon_i2c_get_byte(radeon_connector->router_bus,
                            radeon_connector->router.i2c_addr,
                            0x3, &val);