IH_PERF_SEL_RB0_WPTR_WRITEBACK 21694 drivers/gpu/drm/amd/include/navi10_enum.h IH_PERF_SEL_RB0_WPTR_WRITEBACK           = 0x00000006,
IH_PERF_SEL_RB0_WPTR_WRITEBACK 21668 drivers/gpu/drm/amd/include/vega10_enum.h IH_PERF_SEL_RB0_WPTR_WRITEBACK           = 0x00000006,