add debugging log for layer format

Change-Id: Iba46a8dae46a40d9c8f30912452313c0767697b9

diff --git a/src/tdm_drm_display.c b/src/tdm_drm_display.c
index ea500df..6ca8f66 100644 (file)
--- a/src/tdm_drm_display.c
+++ b/src/tdm_drm_display.c
@@ -1502,8 +1502,11 @@ drm_layer_get_capability(tdm_layer *layer, tdm_caps_layer *caps)
        for (i = 0; i < caps->format_count; i++) {
                /* TODO: kernel reports wrong formats */
                if (plane->formats[i] != DRM_FORMAT_XRGB8888 &&
-                   plane->formats[i] != DRM_FORMAT_ARGB8888)
+                   plane->formats[i] != DRM_FORMAT_ARGB8888) {
+                       TDM_WRN("plane(%d) zpos(%d) %c%c%c%c skipped",
+                                       layer_data->plane_id, layer_data->zpos, FOURCC_STR(plane->formats[i]));
                        continue;
+               }
                caps->formats[format_count] = tdm_drm_format_to_tbm_format(plane->formats[i]);
                format_count++;
        }