HC_HTXnFM_BGRA32 1018 drivers/gpu/drm/via/via_3d_reg.h #define HC_HTXnFM_BGRA8880      (HC_HTXnFM_BGRA32    | 0x00000000)
HC_HTXnFM_BGRA32 1019 drivers/gpu/drm/via/via_3d_reg.h #define HC_HTXnFM_BGRA8888      (HC_HTXnFM_BGRA32    | 0x00010000)