TACH_PERIOD_SHIFT  240 drivers/gpu/drm/amd/amdgpu/sid.h #       define TACH_PERIOD_SHIFT                        0
TACH_PERIOD_SHIFT  240 drivers/gpu/drm/radeon/cikd.h #       define TACH_PERIOD_SHIFT                        0
TACH_PERIOD_SHIFT  238 drivers/gpu/drm/radeon/sid.h #       define TACH_PERIOD_SHIFT                        0