PANEL_ENCODER_TRUNCATE_DEPTH 2560 drivers/gpu/drm/amd/include/atombios.h #define PANEL_ENCODER_TRUNCATE_DEPTH           0x10
PANEL_ENCODER_TRUNCATE_DEPTH 2177 drivers/gpu/drm/radeon/atombios.h #define PANEL_ENCODER_TRUNCATE_DEPTH           0x10