EVERGREEN_GRPH_FLIP_CONTROL 2247 drivers/gpu/drm/amd/amdgpu/sid.h #define EVERGREEN_GRPH_FLIP_CONTROL                     0x1a12
EVERGREEN_GRPH_FLIP_CONTROL  163 drivers/gpu/drm/radeon/evergreen_reg.h #define EVERGREEN_GRPH_FLIP_CONTROL                     0x6848