drm/radeon/kms: expose thermal/fan i2c buses

Look up i2c bus in the power table and expose it.
You'll need to load a hwmon driver for any chips
on the bus, this patch just exposes the bus.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 4f37b524de7e..6458d52be4ee 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -257,6 +257,12 @@ int radeon_pm_init(struct radeon_device *rdev)
         return 0;
 }
 
+void radeon_pm_fini(struct radeon_device *rdev)
+{
+        if (rdev->pm.i2c_bus)
+                radeon_i2c_destroy(rdev->pm.i2c_bus);
+}
+
 void radeon_pm_compute_clocks(struct radeon_device *rdev)
 {
         struct drm_device *ddev = rdev->ddev;