ZCLK_SEL_MASK     177 drivers/gpu/drm/amd/amdgpu/sid.h #	define ZCLK_SEL_MASK				0xFF00
ZCLK_SEL_MASK     295 drivers/gpu/drm/radeon/cikd.h #	define ZCLK_SEL_MASK				0xFF00
ZCLK_SEL_MASK     175 drivers/gpu/drm/radeon/sid.h #	define ZCLK_SEL_MASK				0xFF00