ATOM_S2_DISPLAY_ROTATION_90_DEGREE 6815 drivers/gpu/drm/amd/include/atombios.h #define ATOM_S2_DISPLAY_ROTATION_90_DEGREE    0x1
ATOM_S2_DISPLAY_ROTATION_90_DEGREE 5673 drivers/gpu/drm/radeon/atombios.h #define ATOM_S2_DISPLAY_ROTATION_90_DEGREE    0x1