ATOM_S2_DISPLAY_ROTATION_ANGLE_MASK 6819 drivers/gpu/drm/amd/include/atombios.h #define ATOM_S2_DISPLAY_ROTATION_ANGLE_MASK   0xC0000000L
ATOM_S2_DISPLAY_ROTATION_ANGLE_MASK 5677 drivers/gpu/drm/radeon/atombios.h #define ATOM_S2_DISPLAY_ROTATION_ANGLE_MASK   0xC0000000L