--- zzzz-none-000/linux-4.4.271/include/linux/fb.h 2021-06-03 06:22:09.000000000 +0000 +++ dakota-7530ac-750/linux-4.4.271/include/linux/fb.h 2023-01-11 09:25:43.000000000 +0000 @@ -396,6 +396,7 @@ #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ +#define FBINFO_DMAFB 0x0100 /* FB memory is DMA */ /* hardware supported ops */ /* semantics: when a bit is set, it indicates that the operation is