gbm: Add support for gbm bos and surfaces using GBM_FORMAT_ARGB2101010

We can now add GBM support for the 10 bit/channel formats which lets us
create a gbm surface that we can use with KMS for display hardware that
support the format.

Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>

src/gbm/backends/dri/gbm_dri.c

@@ -551,6 +551,12 @@ gbm_dri_bo_create(struct gbm_device *gbm,
    case GBM_FORMAT_ABGR8888:
       dri_format = __DRI_IMAGE_FORMAT_ABGR8888;
       break;
+   case GBM_FORMAT_ARGB2101010:
+      dri_format = __DRI_IMAGE_FORMAT_ARGB2101010;
+      break;
+   case GBM_FORMAT_XRGB2101010:
+      dri_format = __DRI_IMAGE_FORMAT_XRGB2101010;
+      break;
    default:
       return NULL;
    }