drm/radeon/kms/atom: fix handling of FB scratch indices

[pandora-kernel.git] / drivers / gpu / drm / radeon / radeon_kms.c

diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 6f80a21..be2c122 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -237,6 +237,19 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
        case RADEON_INFO_FUSION_GART_WORKING:
                value = 1;
                break;
+       case RADEON_INFO_BACKEND_MAP:
+               if (rdev->family >= CHIP_CAYMAN)
+                       value = rdev->config.cayman.backend_map;
+               else if (rdev->family >= CHIP_CEDAR)
+                       value = rdev->config.evergreen.backend_map;
+               else if (rdev->family >= CHIP_RV770)
+                       value = rdev->config.rv770.backend_map;
+               else if (rdev->family >= CHIP_R600)
+                       value = rdev->config.r600.backend_map;
+               else {
+                       return -EINVAL;
+               }
+               break;
        default:
                DRM_DEBUG_KMS("Invalid request %d\n", info->request);
                return -EINVAL;