diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index ab389f8..fce9551 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -98,15 +98,11 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 {
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_radeon_info *info;
-	struct radeon_mode_info *minfo = &rdev->mode_info;
 	uint32_t *value_ptr;
 	uint32_t value;
-	struct drm_crtc *crtc;
-	int i, found;
 
 	info = data;
 	value_ptr = (uint32_t *)((unsigned long)info->value);
-	value = *value_ptr;
 	switch (info->request) {
 	case RADEON_INFO_DEVICE_ID:
 		value = dev->pci_device;
@@ -124,21 +120,6 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		else
 			value = rdev->accel_working;
 		break;
-	case RADEON_INFO_CRTC_FROM_ID:
-		for (i = 0, found = 0; i < rdev->num_crtc; i++) {
-			crtc = (struct drm_crtc *)minfo->crtcs[i];
-			if (crtc && crtc->base.id == value) {
-				struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
-				value = radeon_crtc->crtc_id;
-				found = 1;
-				break;
-			}
-		}
-		if (!found) {
-			DRM_DEBUG("unknown crtc id %d\n", value);
-			return -EINVAL;
-		}
-		break;
 	case RADEON_INFO_ACCEL_WORKING2:
 		value = rdev->accel_working;
 		break;