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1276cc97d1
Commitc0d9b08ef9replaced the old GBM API calls with the multi-plane GBM API. However, the call to gbm_bo_get_handle_for_plane fails for some DRI drivers (in particular i915). Due to missing error checks, the subsequent call to drmModeAddFB[2] fails and the screen output locks up. This commit adds the missing error checks and falls back to the old GBM API (non-planar) if necessary. v5: test success of gbm_bo_get_handle_for_plane instead of errno This commit adopts solution proposed by Daniel van Vugt to check the return value of gbm_bo_get_handle_for_plane on plane 0 and fall back to old non-planar method if the call fails. This removes the errno check (for ENOSYS) that could abort if mesa ever sets a different value. Related to: https://gitlab.gnome.org/GNOME/mutter/issues/127 (cherry picked from commitf7af32a3ea)