AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 2076 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c AMDGPU_DM_DEFAULT_MAX_BACKLIGHT; AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 2080 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c dm->backlight_caps.max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;