C_000004_MC_FB_TOP  170 drivers/gpu/drm/radeon/r520d.h #define   C_000004_MC_FB_TOP                           0x0000FFFF
C_000004_MC_FB_TOP  514 drivers/gpu/drm/radeon/rs600d.h #define   C_000004_MC_FB_TOP                           0x0000FFFF