SPLL_REFCLK_SEL_MASK  113 drivers/gpu/drm/amd/amdgpu/sid.h #	define SPLL_REFCLK_SEL_MASK			(3 << 26)
SPLL_REFCLK_SEL_MASK  111 drivers/gpu/drm/radeon/sid.h #	define SPLL_REFCLK_SEL_MASK			(3 << 26)