diff --git a/src/gallium/frontends/dri/loader_dri3_helper.c b/src/gallium/frontends/dri/loader_dri3_helper.c
index c854d9e9de6..9e4ca3f5707 100644
--- a/src/gallium/frontends/dri/loader_dri3_helper.c
+++ b/src/gallium/frontends/dri/loader_dri3_helper.c
@@ -1283,6 +1283,7 @@ dri3_cpp_for_fourcc(uint32_t format) {
    switch (format) {
    case DRM_FORMAT_R8:
       return 1;
+   case DRM_FORMAT_ARGB1555:
    case DRM_FORMAT_RGB565:
    case DRM_FORMAT_GR88:
       return 2;
diff --git a/src/loader/loader_dri_helper.c b/src/loader/loader_dri_helper.c
index e6f0e2d51d0..ff224b02104 100644
--- a/src/loader/loader_dri_helper.c
+++ b/src/loader/loader_dri_helper.c
@@ -45,6 +45,7 @@ loader_fourcc_to_image_format(int fourcc)
    case __DRI_IMAGE_FOURCC_SABGR8888: return __DRI_IMAGE_FORMAT_SABGR8;
    case __DRI_IMAGE_FOURCC_SXRGB8888: return __DRI_IMAGE_FORMAT_SXRGB8;
    case DRM_FORMAT_RGB565: return __DRI_IMAGE_FORMAT_RGB565;
+   case DRM_FORMAT_ARGB1555: return __DRI_IMAGE_FORMAT_ARGB1555;
    case DRM_FORMAT_XRGB8888: return __DRI_IMAGE_FORMAT_XRGB8888;
    case DRM_FORMAT_ARGB8888: return __DRI_IMAGE_FORMAT_ARGB8888;
    case DRM_FORMAT_ABGR8888: return __DRI_IMAGE_FORMAT_ABGR8888;
@@ -82,6 +83,7 @@ loader_image_format_to_fourcc(int format)
    case __DRI_IMAGE_FORMAT_XBGR16161616: return DRM_FORMAT_XBGR16161616;
    case __DRI_IMAGE_FORMAT_XBGR16161616F: return DRM_FORMAT_XBGR16161616F;
    case __DRI_IMAGE_FORMAT_ABGR16161616F: return DRM_FORMAT_ABGR16161616F;
+   case __DRI_IMAGE_FORMAT_ARGB1555: return DRM_FORMAT_ARGB1555;
    }
    return 0;
 }