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authorJiri Kosina <jkosina@suse.cz>2011-04-26 10:22:15 +0200
committerJiri Kosina <jkosina@suse.cz>2011-04-26 10:22:59 +0200
commit07f9479a40cc778bc1462ada11f95b01360ae4ff (patch)
tree0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /drivers/gpu/drm/radeon/radeon_i2c.c
parentath9k_hw: don't touch with treewide double semicolon removal (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecr... (diff)
downloadlinux-07f9479a40cc778bc1462ada11f95b01360ae4ff.tar.xz
linux-07f9479a40cc778bc1462ada11f95b01360ae4ff.zip
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be applied for files that didn't exist on the old branch.
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_i2c.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_i2c.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index ded2a45bc95c..983cbac75af0 100644
--- 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);