C_00015C_MC_FB_START   35 drivers/gpu/drm/radeon/rs100d.h #define   C_00015C_MC_FB_START                         0xFFFF0000
C_00015C_MC_FB_START   42 drivers/gpu/drm/radeon/rs400d.h #define   C_00015C_MC_FB_START                         0xFFFF0000