drm/radeon/kms/evergreen: adapt to i2c changes

original evergreen patches we against a kernel tree
without my radeon i2c algo changes.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index d15fa5e62bb5..4ae50c19589f 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -254,6 +254,13 @@ static u32 radeon_get_i2c_prescale(struct radeon_device *rdev)
         case CHIP_RV740:
                 /* todo */
                 break;
+        case CHIP_CEDAR:
+        case CHIP_REDWOOD:
+        case CHIP_JUNIPER:
+        case CHIP_CYPRESS:
+        case CHIP_HEMLOCK:
+                /* todo */
+                break;
         default:
                 DRM_ERROR("i2c: unhandled radeon chip\n");
                 break;
@@ -833,6 +840,14 @@ static int radeon_i2c_xfer(struct i2c_adapter *i2c_adap,
                 /* XXX fill in hw i2c implementation */
                 ret = radeon_sw_i2c_xfer(i2c_adap, msgs, num);
                 break;
+        case CHIP_CEDAR:
+        case CHIP_REDWOOD:
+        case CHIP_JUNIPER:
+        case CHIP_CYPRESS:
+        case CHIP_HEMLOCK:
+                /* XXX fill in hw i2c implementation */
+                ret = radeon_sw_i2c_xfer(i2c_adap, msgs, num);
+                break;
         default:
                 DRM_ERROR("i2c: unhandled radeon chip\n");
                 ret = -EIO;